CN215071905U

CN215071905U - Motor assembling structure

Info

Publication number: CN215071905U
Application number: CN202121244868.8U
Authority: CN
Inventors: 周启东; 王庆锋; 徐尚
Original assignee: Ningbo Dechang Electric Co ltd
Current assignee: Ningbo Dechang Electric Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-12-07
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a motor package assembly aims at providing a motor package assembly that production efficiency is high. The fan comprises a casing and a fixed impeller, wherein a plurality of casing positioning holes are formed in the tail of the casing, fixed impeller positioning columns matched with the casing positioning holes are formed in the fixed impeller, the fixed impeller is installed at the tail of the casing through the matching of the fixed impeller positioning columns and the casing positioning holes, a fan cover is further installed at the tail of the casing, and the fixed impeller is arranged on the inner side of the fan cover and clamped between the fan cover and the casing. The utility model has the advantages that: the fixed impeller is convenient to position and install at the tail part of the machine shell; the problems that the screw falls into the motor and the like are avoided, the structure is simplified and optimized, the assembly time is reduced, and the production efficiency is improved; the structure is simple, the installation is convenient, and the time and the labor are saved; the friction coefficient of the rotating shaft in the moving process is reduced, and the rotating precision of the rotating shaft is ensured; reduce the pressure of nut to the movable vane, prevent that the movable vane from taking place not hard up, avoiding the movable vane to take place wearing and tearing.

Description

Motor assembling structure

Technical Field

The utility model belongs to the technical field of the relevant technique of motor and specifically relates to indicate a motor package assembly.

Background

The motor is essential to the current production and life everywhere, and generally speaking, the motor comprises rotor subassembly, stator module, casing, fan housing, movable impeller and fixed impeller etc. wherein the casing generally needs to use the screw to assemble the end cover fixed impeller.

As shown in fig. 6, the conventional motor generally adopts an assembly method that: the end cover 23 is combined with the fixed impeller 14 by using an end cover fixed impeller fixing screw 21; the rubber ring 24 is horizontally placed in the end cover bearing chamber 20; a second bearing 9 at the threaded end of the rotating shaft 1 on the rotor assembly 5 is sleeved into the end cover bearing chamber 20; the supporting sleeve 10, the first gasket 17, the movable impeller 16, the second gasket 18 and the nut 19 are sleeved on the threaded end of the rotating shaft 1 on the rotor component 5 in sequence; the fan housing 15 is combined with the end cover 23 through an air compressor; a bearing I4 at the long shaft extension end of a rotating shaft 1 on a rotor component 5 is sleeved in a bearing chamber 3 of the machine shell; the housing 7 and the end cover 23 are assembled using housing end cover fixing screws 22. The motor has the advantages of complex internal structure, multiple assembly steps, long assembly time, easy mental fatigue of workers during long-time assembly operation, screw sliding or failure in place, falling of screws into the motor and the like, and greatly reduces the production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome not enough that production efficiency is low among the prior art, provide a motor package assembly that production efficiency is high.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the motor assembling structure comprises a machine shell and a fixed impeller, wherein a plurality of machine shell positioning holes are formed in the tail portion of the machine shell, fixed impeller positioning columns matched with the machine shell positioning holes are formed in the fixed impeller, the fixed impeller is installed at the tail portion of the machine shell through the matching of the fixed impeller positioning columns and the machine shell positioning holes, a fan cover is further installed at the tail portion of the machine shell, and the fixed impeller is arranged on the inner side of the fan cover and clamped between the fan cover and the machine shell.

The fixed impeller is convenient to position and install at the tail part of the machine shell through the design of the fixed impeller positioning column and the machine shell positioning hole; the fan cover is assembled with the casing through the air compressor and tightly clamps the fixed impeller. Through the design of the mutual chucking of fan housing, casing and stator vane wheel three, replaced traditional end cover structure and screw mounting mode, avoided the screw to fall into the motor scheduling problem, retrench the optimization to the structure, reduced the assemble duration, improved production efficiency.

Preferably, a first round corner is arranged at the end part of the fixed impeller positioning column, and a second round corner matched with the first round corner is arranged at the opening of the casing positioning hole. Through the matching design of the first round angle and the second round angle, the smoothness of the fixed impeller and the casing in the assembling process is improved, so that the operation is simple and convenient, and time and labor are saved.

Preferably, the internally mounted of casing has stator module and rotor subassembly, stator module's inboard is arranged in to the rotor subassembly, be fixed with the pivot on the rotor subassembly, the casing locating hole uses the pivot to be annular evenly distributed at the afterbody of casing as the center, the head that the one end of pivot link up the casing is arranged in the casing outside, the other end of pivot link up the stator vane wheel and arrange the fan housing inboard in, all rotate between pivot and the casing and be connected between pivot and the stator vane wheel. The positioning effect of the fixed impeller is improved by the design that the positioning holes of the casing are distributed on the casing. Simple structure, simple to operate has reduced the assemble duration, has improved production efficiency.

Preferably, a first bearing and a second bearing are respectively sleeved at two ends of the rotating shaft, the first bearing is arranged at the joint of the rotating shaft and the shell, and the second bearing is arranged at the joint of the rotating shaft and the fixed impeller. Through the design of the first bearing and the second bearing, the effect of supporting the rotating shaft is achieved, the friction coefficient of the rotating shaft in the moving process is reduced, and the rotation precision of the rotating shaft is guaranteed.

Preferably, be equipped with on the casing with the one end assorted casing through-hole of pivot, the one end of pivot link up the casing through-hole and arrange the casing outside in, the opening part that the casing through-hole is close to fan housing one end is equipped with a bearing assorted casing bearing room, bearing one is installed at the casing bearing room, be equipped with on the stator vane wheel with pivot other end assorted stator vane wheel through-hole, the other end of pivot link up stator vane wheel through-hole and arrange the fan housing inboard in, the opening part that stator vane wheel through-hole kept away from fan housing one end is equipped with the stator vane wheel bearing room that matches with bearing two, bearing two is installed at stator vane wheel bearing room. Through the design of the through hole of the shell and the through hole of the fixed impeller, the installation and the limit of the rotating shaft on the shell and the fixed impeller are facilitated; through the design of the bearing chamber of the machine shell and the bearing chamber of the fixed impeller, the installation and the limiting of the first bearing and the second bearing are facilitated. Simple structure, simple to operate has reduced the assemble duration, has improved production efficiency.

Preferably, the rotating shaft is sequentially sleeved with a supporting sleeve, a first gasket, a movable impeller, a second gasket and a nut, the supporting sleeve is arranged in the through hole of the fixed impeller and located at one end close to the fan cover, the supporting sleeve is arranged between the second bearing and the first gasket, the first gasket is arranged between the supporting sleeve and the movable impeller, the movable impeller is arranged between the first gasket and the second gasket, the second gasket is arranged between the movable impeller and the nut, and the nut is in threaded connection with the rotating shaft. The nut plays a role in fastening the supporting sleeve, the first gasket, the movable impeller and the second gasket on the rotating shaft; the first gasket and the second gasket play roles in reducing pressure of the nut on the movable impeller, preventing the movable impeller from loosening and avoiding abrasion of the movable impeller.

The utility model has the advantages that: the fixed impeller is convenient to position and install at the tail part of the machine shell; the problems that the screw falls into the motor and the like are avoided, the structure is simplified and optimized, the assembly time is reduced, and the production efficiency is improved; the structure is simple, the installation is convenient, and the time and the labor are saved; the friction coefficient of the rotating shaft in the moving process is reduced, and the rotating precision of the rotating shaft is ensured; reduce the pressure of nut to the movable vane, prevent that the movable vane from taking place not hard up, avoiding the movable vane to take place wearing and tearing.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the stationary vane of FIG. 1;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a schematic structural view of the housing of FIG. 1;

FIG. 5 is a cross-sectional view taken at B-B of FIG. 4;

fig. 6 is a prior art motor assembly diagram.

In the figure: 1. the bearing assembly comprises a rotating shaft, 2 parts of a machine shell through hole, 3 parts of a machine shell bearing chamber, 4 parts of a bearing I, 5 parts of a rotor assembly, 6 parts of a stator assembly, 7 parts of a machine shell, 8 parts of a fixed impeller bearing chamber, 9 parts of a bearing II, 10 parts of a bearing sleeve, 11 parts of a fixed impeller positioning column, 12 parts of a machine shell positioning hole, 13 parts of a fixed impeller through hole, 14 parts of a fixed impeller, 15 parts of a fan cover, 16 parts of a movable impeller, 17 parts of a gasket I, 18 parts of a gasket II, 19 parts of a nut, 20 parts of an end cover bearing chamber, 21 parts of an end cover fixed impeller fixing screw, 22 parts of a machine shell end cover fixing screw, 23 parts of an end cover and 24 parts of a rubber ring.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1, a motor assembly structure includes a casing 7 and a fixed impeller 14, a plurality of casing positioning holes 12 are disposed at the tail of the casing 7, fixed impeller positioning posts 11 matched with the casing positioning holes 12 are disposed on the fixed impeller 14, the fixed impeller 14 is mounted at the tail of the casing 7 through the cooperation of the fixed impeller positioning posts 11 and the casing positioning holes 12, a fan housing 15 is further mounted at the tail of the casing 7, and the fixed impeller 14 is disposed inside the fan housing 15 and clamped between the fan housing 15 and the casing 7.

As shown in fig. 3 and 5, a first rounded corner is disposed at an end of the fixed impeller positioning post 11, and a second rounded corner matched with the first rounded corner is disposed at an opening of the case positioning hole 12.

As shown in fig. 1, the inside of the casing 7 is provided with the stator assembly 6 and the rotor assembly 5, the rotor assembly 5 is arranged inside the stator assembly 6, the rotor assembly 5 is fixed with the rotating shaft 1, the casing positioning holes 12 are uniformly distributed at the tail of the casing 7 in an annular shape by taking the rotating shaft 1 as the center, one end of the rotating shaft 1 penetrates through the head of the casing 7 and is arranged outside the casing 7, the other end of the rotating shaft 1 penetrates through the fixed impeller 14 and is arranged inside the fan housing 15, and the rotating shaft 1 and the casing 7 and the rotating shaft 1 and the fixed impeller 14 are connected in a rotating manner.

As shown in fig. 1, two ends of the rotating shaft 1 are respectively sleeved with a first bearing 4 and a second bearing 9, the first bearing 4 is installed at the joint of the rotating shaft 1 and the casing 7, and the second bearing 9 is installed at the joint of the rotating shaft 1 and the fixed impeller 14.

As shown in fig. 4 and 5, a casing through hole 2 matched with one end of the rotating shaft 1 is arranged on the casing 7, one end of the rotating shaft 1 penetrates through the casing through hole 2 and is arranged on the outer side of the casing 7, a casing bearing chamber 3 matched with the bearing one 4 is arranged at an opening of the casing through hole 2 close to one end of the fan housing 15, the bearing one 4 is arranged in the casing bearing chamber 3, as shown in fig. 2 and 3, a fixed impeller through hole 13 matched with the other end of the rotating shaft 1 is arranged on the fixed impeller 14, the other end of the rotating shaft 1 penetrates through the fixed impeller through hole 13 and is arranged on the inner side of the fan housing 15, a fixed impeller bearing chamber 8 matched with the bearing two 9 is arranged at an opening of the fixed impeller through hole 13 far from one end of the fan housing 15, and the bearing two 9 is arranged in the fixed impeller bearing chamber 8.

As shown in fig. 1, a supporting sleeve 10, a first gasket 17, a movable impeller 16, a second gasket 18 and a nut 19 are sequentially sleeved on a rotating shaft 1, the supporting sleeve 10 is arranged in a fixed impeller through hole 13 and located at one end close to a fan cover 15, the supporting sleeve 10 is arranged between a second bearing 9 and the first gasket 17, the first gasket 17 is arranged between the supporting sleeve 10 and the movable impeller 16, the movable impeller 16 is arranged between the first gasket 17 and the second gasket 18, the second gasket 18 is arranged between the movable impeller 16 and the nut 19, and the nut 19 is in threaded connection with the rotating shaft 1.

Assembling:

1. a first bearing 4 and a second bearing 9 are respectively sleeved at two ends of the rotating shaft 1;

2. respectively installing the stator assembly 6 and the rotor assembly 5 in the machine shell 7 (one end of the rotating shaft 1 penetrates through the machine shell through hole 2 and is arranged on the outer side of the machine shell 7, and the first bearing 4 is arranged in the machine shell bearing chamber 3);

3. a fixed impeller 14 is arranged at the tail part of the machine shell 7 (a fixed impeller positioning column 11 is placed in a machine shell positioning hole 12, the other end of the rotating shaft 1 penetrates through a fixed impeller through hole 13, and a bearing II 9 is arranged in a fixed impeller bearing chamber 8);

4. the other end of the rotating shaft 1 is sleeved with a supporting sleeve 10, a first gasket 17, a movable impeller 16, a second gasket 18 and a nut 19 in sequence (the supporting sleeve 10 is arranged in the through hole 13 of the fixed impeller, and the nut 19 is in threaded connection with the rotating shaft 1);

5. the fan housing 15 is mounted at the tail of the casing 7 (the fan housing 15 is mounted at the outer side of the fixed impeller 14) by an air compressor, so that the fan housing 15, the casing 7 and the fixed impeller 14 are mutually clamped.

Claims

1. The motor assembling structure is characterized by comprising a machine shell (7) and a fixed impeller (14), wherein a plurality of machine shell positioning holes (12) are formed in the tail of the machine shell (7), fixed impeller positioning columns (11) matched with the machine shell positioning holes (12) are arranged on the fixed impeller (14), the fixed impeller (14) is installed at the tail of the machine shell (7) through the matching of the fixed impeller positioning columns (11) and the machine shell positioning holes (12), a fan cover (15) is further installed at the tail of the machine shell (7), and the fixed impeller (14) is arranged on the inner side of the fan cover (15) and clamped between the fan cover (15) and the machine shell (7).

2. The motor assembling structure according to claim 1, wherein a first rounded corner is provided at an end of the fixed impeller positioning post (11), and a second rounded corner matching the first rounded corner is provided at an opening of the housing positioning hole (12).

3. The motor assembling structure according to claim 1, wherein the stator assembly (6) and the rotor assembly (5) are installed inside the housing (7), the rotor assembly (5) is disposed inside the stator assembly (6), the rotor assembly (5) is fixed with the rotating shaft (1), the housing positioning holes (12) are uniformly distributed at the tail of the housing (7) in an annular shape by taking the rotating shaft (1) as a center, one end of the rotating shaft (1) penetrates through the head of the housing (7) and is disposed outside the housing (7), the other end of the rotating shaft (1) penetrates through the fixed impeller (14) and is disposed inside the fan housing (15), and the rotating shaft (1) and the housing (7) and the rotating shaft (1) and the fixed impeller (14) are rotatably connected.

4. A motor assembling structure according to claim 3, wherein a first bearing (4) and a second bearing (9) are respectively sleeved at two ends of the rotating shaft (1), the first bearing (4) is installed at the joint of the rotating shaft (1) and the casing (7), and the second bearing (9) is installed at the joint of the rotating shaft (1) and the fixed impeller (14).

5. The motor assembling structure according to claim 4, wherein the housing (7) is provided with a housing through hole (2) matching with one end of the rotating shaft (1), one end of the rotating shaft (1) penetrates the housing through hole (2) and is disposed outside the housing (7), an opening of the housing through hole (2) near one end of the fan housing (15) is provided with a housing bearing chamber (3) matching with the bearing I (4), the bearing I (4) is mounted in the housing bearing chamber (3), the fixed impeller (14) is provided with a fixed impeller through hole (13) matching with the other end of the rotating shaft (1), the other end of the rotating shaft (1) penetrates the fixed impeller through hole (13) and is disposed inside the fan housing (15), an opening of the fixed impeller through hole (13) far from one end of the fan housing (15) is provided with a fixed impeller bearing chamber (8) matching with the bearing II (9), and the second bearing (9) is arranged in a bearing chamber (8) of the fixed impeller.

6. The motor assembling structure as claimed in claim 3, wherein the rotating shaft (1) is sequentially sleeved with a supporting sleeve (10), a first gasket (17), a movable impeller (16), a second gasket (18) and a nut (19), the supporting sleeve (10) is arranged in the fixed impeller through hole (13) and located at one end close to the fan cover (15), the supporting sleeve (10) is arranged between the second bearing (9) and the first gasket (17), the first gasket (17) is arranged between the supporting sleeve (10) and the movable impeller (16), the movable impeller (16) is arranged between the first gasket (17) and the second gasket (18), the second gasket (18) is arranged between the movable impeller (16) and the nut (19), and the nut (19) is in threaded connection with the rotating shaft (1).