CN215681951U

CN215681951U - Mounting structure of motor rotor

Info

Publication number: CN215681951U
Application number: CN202122405993.9U
Authority: CN
Inventors: 黄国崇; 李飞
Original assignee: Weihai Shenli Motor Co ltd
Current assignee: Weihai Shenli Motor Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-01-28
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to the technical field of motor rotors, in particular to an installation structure of a motor rotor, which comprises a cover and a rotor, wherein a motor shaft is arranged on the rotor, a bearing is sleeved outside the motor shaft, the cover is sleeved outside the motor shaft, a fixed groove is arranged at the left end of the cover, the bearing is positioned inside the fixed groove, a fixed pipe is fixedly connected at the left end of the cover, a top ring is arranged inside the fixed pipe in a sliding manner, the right end of the top ring is provided with four convex grooves in a circular array, convex blocks are arranged inside the four convex grooves in a sliding manner, the right ends of the four convex blocks are fixedly connected with snap rings, the four snap rings are matched with the fixed groove in a sliding manner, and a fixed ring is arranged on the left side inside the fixed pipe in a sliding manner; it can adjust the tight dynamics of clamp to the bearing, can make bearing and cover firm be connected, prevents that the rotor from rotating the in-process bearing along with rotating, avoids the bearing to be worn and torn, avoids the motor can take place the phenomenon of shake or even trouble, has improved the operation safety and stability nature of motor.

Description

Mounting structure of motor rotor

Technical Field

The utility model relates to the technical field of motor rotors, in particular to a mounting structure of a motor rotor.

Background

As is well known, electric motor rotor is also the rotary part in the motor, the motor is by the rotor, the stator, casing and cover are constituteed, be connected with the motor shaft on the electric motor rotor, install the bearing on the motor shaft, be provided with the fixed slot that is used for fixing bearing on the casing, need insert the inside to the fixed slot with the bearing when installing electric motor rotor, some fixed slots are great to the dynamics of bearing card, when maintaining the motor, be not convenient for take out the bearing from the inside of fixed slot, the degree of difficulty of maintenance has been increased, when the fixed slot is less to the dynamics of bearing chucking, at the in-process of the operation of motor, the bearing rotates easily in the inside of fixed slot, lead to bearing wearing and tearing easily, lead to the phenomenon that the motor can take place the shake or even trouble, the operation safety and stability of motor has been reduced, therefore, an electric motor rotor's mounting structure is proposed.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies of the prior art, the present invention provides a mounting structure of a motor rotor to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a motor rotor mounting structure comprises a cover and a rotor, a motor shaft is arranged on the rotor, a bearing is sleeved outside the motor shaft, the cover is sleeved outside the motor shaft, a fixed groove is arranged at the left end of the cover, the bearing is positioned inside the fixed groove, a fixed pipe is fixedly connected at the left end of the cover, a top ring is arranged inside the fixed pipe in a sliding manner, four convex grooves are arranged at the right end of the top ring in a circular array, convex blocks are arranged inside the four convex grooves in a sliding manner, snap rings are fixedly connected at the right ends of the four convex blocks, the four snap rings are matched with the fixed groove in a sliding manner, a fixed ring is arranged at the left side inside the fixed pipe in a sliding manner, four sliding grooves are arranged inside the fixed ring in a circular array, a sliding block is arranged inside the four sliding grooves in a sliding manner, a compression spring is fixedly connected at the left end of the sliding block, a connecting column is fixedly connected at the right end of the sliding block, the right end of the connecting column extends to the right side of the fixed ring and is fixedly connected with the left end of the top ring, the right-hand member of solid fixed ring is circular array and is provided with four screw holes, and the position that corresponds with four screw holes on apical ring and the cover all is provided with the jack, and the inside of jack has inserted fixed screw, and the left end of each fixed screw is the inside of spiral shell dress at each screw hole respectively.

Preferably, the cross-section of snap ring is the trapezium structure, and the inside wall fixedly connected with slipmat of snap ring, slipmat keep away from the lateral wall chucking of the one end of snap ring and bearing.

Preferably, the fixing groove is provided in a tapered configuration.

Preferably, the left end of the motor shaft is fixedly connected with a mounting plate.

Preferably, the cover is provided with a plurality of heat dissipation holes in a circular array.

Preferably, the filter screen is installed inside each of the plurality of heat dissipation holes.

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

1. this electric motor rotor's mounting structure, through the tight fixed screw of spiral shell, the solid fixed ring of fixed screw pulling removes to the right side, promote the apical ring through compression spring and remove to the right side, slide in the inside of fixed slot through four snap rings, four snap rings press from both sides tight fixed to the bearing, can adjust the tight dynamics of clamp to the bearing, can make bearing and cover firm be connected, prevent that the rotor from rotating the in-process bearing along with rotating, avoid the bearing to be worn and torn, avoid the motor can take place the phenomenon of shake or even trouble, the operation safety and stability of motor has been improved.

2. This electric motor rotor's mounting structure through the spiro union fixed screw, and fixed screw pulling is solid fixed ring and four card rings to the left side removal, makes the snap ring take out from the inside of fixed slot, is convenient for make bearing and cover separation, is convenient for dismantle the bearing.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic left-view perspective view of the present invention;

FIG. 3 is a schematic view of a partial cross-sectional structure of the present invention;

fig. 4 is a schematic sectional view of the connection of the cover, the fixing screw and the fixing ring according to the present invention.

The symbols in the figures indicate:

1. a machine cover; 2. a rotor; 3. a motor shaft; 4. a bearing; 5. a fixed tube; 6. a top ring; 7. a convex block; 8. a snap ring; 9. a fixing ring; 10. a slider; 11. a compression spring; 12. connecting columns; 13. fixing screws; 14. a non-slip mat; 15. mounting a plate; 16. heat dissipation holes; 17. and (4) a filter screen.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Referring to fig. 1 to 4, the present invention provides an installation structure of a motor rotor, including a cover 1 and a rotor 2, wherein the cover 1 is provided with a plurality of heat dissipation holes 16 in a circular array to improve the heat dissipation effect, and the interior of the plurality of heat dissipation holes 16 is provided with a filter screen 17 to prevent external impurities such as dust from entering the interior of the motor; the rotor 2 is provided with a motor shaft 3, and the left end of the motor shaft 3 is fixedly connected with a mounting plate 15, so that a heat dissipation fan can be conveniently mounted; the outside cover of motor shaft 3 is equipped with bearing 4, and cover 1 cover is provided with the fixed slot in the outside of motor shaft 3, the left end of cover 1, and bearing 4 is located the inside of fixed slot.

In the embodiment, a fixed pipe 5 is fixedly connected to the left end of a machine cover 1, a top ring 6 is slidably arranged inside the fixed pipe 5, four convex grooves are formed in the right end of the top ring 6 in a circular array, convex blocks 7 are slidably arranged inside the four convex grooves, snap rings 8 are fixedly connected to the right ends of the four convex blocks 7, and the four snap rings 8 are slidably matched with fixed grooves; fixed pipe 5's inside left side is slided and is provided with solid fixed ring 9, gu fixed ring 9's inside is circular array and is provided with four spouts, the inside of four spouts all slides and is provided with slider 10, slider 10's left end fixedly connected with compression spring 11, slider 10's right-hand member fixedly connected with spliced pole 12, spliced pole 12's right-hand member extend to solid fixed ring 9's right side and with 6 left end fixed connection of apical ring, promote spliced pole 12 and apical ring 6 through compression spring 11 and remove to the right side, it is fixed to make four snap rings 8 carry out the chucking to bearing 4, be convenient for adjust the dynamics to bearing 4 chucking, can guarantee that snap ring 8 lasts to press from both sides tightly bearing 4.

In this embodiment, the right-hand member of solid fixed ring 9 is circular array and is provided with four screw holes, the position that corresponds with four screw holes on apical ring 6 and the cover 1 all is provided with the jack, fixed screw 13 has been inserted to the inside of jack, the left end of each fixed screw 13 spiral shell dress is in the inside of each screw hole respectively, through the tight fixed screw 13 of spiral shell, fixed screw 13 stimulates solid fixed ring 9 and removes to the right side, promote apical ring 6 through compression spring 11 and remove to the right side, slide in the inside of fixed slot through four snap rings 8, four snap rings 8 press from both sides tight fixed to bearing 4, can adjust the tight dynamics of clamp to bearing 4, can make bearing 4 and cover 1 firm connection, prevent that rotor 2 from rotating in-process bearing 4 along with rotating, avoid bearing 4 to be worn and torn, avoid the motor can take place the phenomenon of shake or even trouble, the operation safety and stability of motor has been improved.

It should also be noted that, in this embodiment, the cross-section of snap ring 8 is the trapezium structure, snap ring 8's inside wall fixedly connected with slipmat 14, slipmat 14 keeps away from the one end of snap ring 8 and the lateral wall chucking of bearing 4, increases the frictional force between snap ring 8 and the bearing 4, improves the stability fixed to bearing 4, and the fixed slot sets up to the toper structure, and snap ring 8 is in to the inside gliding in-process of fixed slot, presss from both sides tightly bearing 4 gradually, is convenient for adjust the tight dynamics of clamp to bearing 4.

To sum up, this electric motor rotor's mounting structure, when using, at first with solid fixed ring 9 and apical ring 6 cover on motor shaft 3, then with bearing 4 cover on motor shaft 3 and lie in solid fixed ring 9 and apical ring 6's right side, then cover 1 cover on motor shaft 3, and insert bearing 4 to the inside of fixed slot, then insert four snap rings 8 to the inside of fixed slot, then insert the inside of jack with four fixed screws 13, and with four fixed screws 13 respectively the spiral shell dress in the inside of four screw holes, then spiral shell tight fixed screw 13, fixed screw 13 stimulates solid fixed ring 9 and removes to the right side, promote apical ring 6 through compression spring 11 and remove to the right side, slide in the inside of fixed slot through four snap rings 8, four snap rings 8 press from both sides tight fixedly to bearing 4.

In the description of the present invention, it is to be understood that the orientations or positional relationships indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides an electric motor rotor's mounting structure, includes cover (1) and rotor (2), be provided with motor shaft (3) on rotor (2), its characterized in that: the motor cover is characterized in that a bearing (4) is sleeved outside a motor shaft (3), a cover (1) is sleeved outside the motor shaft (3), a fixed groove is formed in the left end of the cover (1), the bearing (4) is located inside the fixed groove, a fixed pipe (5) is fixedly connected to the left end of the cover (1), a top ring (6) is arranged inside the fixed pipe (5) in a sliding mode, four convex grooves are formed in the circular array of the right end of the top ring (6), convex blocks (7) are arranged inside the four convex grooves in a sliding mode, snap rings (8) are fixedly connected to the right ends of the four convex blocks (7), the four snap rings (8) are matched with the fixed groove in a sliding mode, a fixed ring (9) is arranged on the left side of the inside of the fixed pipe (5) in a sliding mode, four sliding grooves are arranged inside the fixed ring (9) in a circular array, a sliding block (10) is arranged inside the four sliding grooves in a sliding mode, and a compression spring (11) is fixedly connected to the left end of the slide block (10), the right-hand member fixedly connected with spliced pole (12) of slider (10), the right-hand member of spliced pole (12) extend to the right side of solid fixed ring (9) and with the left end fixed connection of apical ring (6), the right-hand member of solid fixed ring (9) is circular array and is provided with four screw holes, the position that corresponds with four screw holes on apical ring (6) and cover (1) all is provided with the jack, and fixed screw (13) have been inserted to the inside of jack, and the left end difference spiral shell dress of each fixed screw (13) is in the inside of each screw hole.

2. A mounting structure of a rotor of an electric motor according to claim 1, wherein: the cross-section of snap ring (8) is the trapezium structure, the inside wall fixedly connected with slipmat (14) of snap ring (8), the one end that the slipmat (14) kept away from snap ring (8) and the lateral wall chucking of bearing (4).

3. A mounting structure of a rotor of an electric motor according to claim 2, wherein: the fixing groove is of a conical structure.

4. A mounting structure of a rotor of an electric motor according to claim 3, wherein: the left end fixedly connected with mounting panel (15) of motor shaft (3).

5. The mounting structure of a rotor of an electric machine according to claim 4, wherein: a plurality of heat dissipation holes (16) are formed in the cover (1) in a circular array.

6. The mounting structure of a rotor of an electric machine according to claim 5, wherein: and filter screens (17) are arranged in the heat dissipation holes (16).