CN217607607U

CN217607607U - Shaft sleeve structure for permanent magnet all-in-one machine

Info

Publication number: CN217607607U
Application number: CN202221388370.3U
Authority: CN
Inventors: 谢灼彬; 陶新强; 刘晓禹; 夏亮
Original assignee: Jinhua Jiangke Power Co ltd
Current assignee: Jinhua Jiangke Power Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-10-18
Anticipated expiration: 2032-06-06

Abstract

The utility model discloses an axle sleeve structure for permanent magnetism all-in-one, including the front end housing, the center department of front end housing rotates and is connected with the axle sleeve main part, the inside of axle sleeve main part is fixed with the output shaft, the internal screw thread seat has been seted up all around to lie in the axle sleeve main part on the front end housing, the spiral shell thread seat top spin-on has cup jointed the closing cap in the axle sleeve main part, the inside that lies in the closing cap in the axle sleeve main part is fixed with the carousel, the bottom of rotary disk is through cup jointing in proper order the bottom inner wall connection of first planar bearing and the first sealed pad and closing cap in the axle sleeve main part, the top of rotary disk is connected with the bottom of front end housing through cup jointing in proper order the second planar bearing and the sealed pad in the axle sleeve main part. The utility model discloses the leakproofness of connecting is guaranteed in the sealed setting of pad and the sealed pad of second of first sealing, prevents that water from entering into the inside of permanent magnetism all-in-one through the gap of front end housing and axle sleeve main part, promotes the life of permanent magnetism all-in-one.

Description

Shaft sleeve structure for permanent magnet all-in-one machine

Technical Field

The utility model relates to an axle sleeve technical field specifically is an axle sleeve structure for permanent magnetism all-in-one.

Background

Permanent magnet machines are the foundation of many new and high technology industries. It is combined with power electronic technology and microelectronic control technology, and can be used for making various mechatronic products with excellent performance, such as numerically-controlled machine tool, machining centre, flexible production line, robot, electric vehicle, high-performance domestic electric appliances, computer, etc. The most obvious performance characteristics of the rare earth permanent magnet motor are light weight, high performance, high efficiency and energy saving. The rare earth permanent magnet can obviously reduce the weight and the volume of the motor. In the use process of the permanent magnet all-in-one machine, in order to protect the output shaft from abrasion, a shaft sleeve is often arranged outside the output shaft of the permanent magnet all-in-one machine.

Most of the existing shaft sleeves are simple in structure, an output shaft can only be protected simply, and in the using process, water can easily flow into the permanent magnet all-in-one machine, so that devices in the permanent magnet all-in-one machine are corroded or short-circuited, and the service life of the permanent magnet all-in-one machine is influenced. Therefore, it is necessary to design a shaft sleeve structure for a permanent magnet all-in-one machine.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a shaft sleeve structure for permanent magnetism all-in-one, the utility model discloses the leakproofness of connecting is guaranteed to the sealed setting of pad and second, prevents that water from entering into the inside of permanent magnetism all-in-one through the gap of front end housing with the axle sleeve main part, promotes the life of permanent magnetism all-in-one.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a shaft sleeve structure for permanent magnetism all-in-one, includes the front end housing, the center department of front end housing rotates and is connected with the axle sleeve main part, the inside of axle sleeve main part is fixed with the output shaft, the internal thread seat has been seted up all around to the axle sleeve main part that lies in on the front end housing, the spiral connection has cup jointed the closing cap in the axle sleeve main part on the internal thread seat, the inside that lies in the closing cap in the axle sleeve main part is fixed with the carousel, the bottom of rotary disk is through cup jointing the bottom wall connection of the first planar bearing and the first sealed pad and the closing cap in the axle sleeve main part in proper order, the top of rotary disk is connected with the bottom of front end housing through cup jointing the second planar bearing and the sealed pad of second in the axle sleeve main part in proper order.

Preferably, the first planar bearing and the second planar bearing each comprise a planar washer and cylindrical rollers, and the cylindrical rollers are equidistantly arranged around the top of the planar washer.

Preferably, the top end of the sealing cover is provided with a through hole sleeved on the shaft sleeve main body, and a sealing ring in contact with the shaft sleeve main body is fixed on the inner wall of the through hole.

Preferably, the periphery of the bottom of the sealing cover is provided with an external thread connecting part, and the external thread connecting part is screwed and fixed in the internal thread seat.

Preferably, the inner wall of the shaft sleeve main body is symmetrically provided with positioning grooves, and the output shaft is integrally formed with positioning blocks buckled with the positioning grooves.

The beneficial effects of the utility model are that:

1. the arrangement of the first plane bearing and the second plane bearing ensures that the shaft sleeve main body and the rotating disc can normally rotate in the sealing cover, so that the friction force is reduced;

2. the arrangement of the first sealing gasket and the second sealing gasket ensures the sealing property of connection, prevents water from entering the interior of the permanent magnet all-in-one machine through a gap between the front end cover and the shaft sleeve main body, and prolongs the service life of the permanent magnet all-in-one machine;

3. through the sealing washer that sets up, further promote sealing performance.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall sectional plan structure of the present invention;

FIG. 2 is a schematic plane structure diagram of the plane bearing of the present invention;

FIG. 3 is a schematic cross-sectional plan view of the cover of the present invention;

FIG. 4 is a schematic view of a sectional plane structure of the main body of the shaft sleeve of the present invention;

reference numbers in the figures: 1. a front end cap; 2. a shaft sleeve main body; 3. an output shaft; 4. rotating the disc; 5. A first planar bearing; 6. a first seal gasket; 7. a second planar bearing; 8. a second gasket; 9. an internal thread seat; 10. sealing the cover; 11. a through hole; 12. a seal ring; 13. a planar washer; 14. a cylindrical roller; 15. an external thread connecting part; 16. positioning a groove; 17. and (5) positioning the blocks.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate 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.

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings.

Example one

Given by fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides the following technical solutions: a shaft sleeve structure for a permanent magnet all-in-one machine comprises a front end cover 1, a shaft sleeve main body 2 is rotatably connected to the center of the front end cover 1, an output shaft 3 is fixed inside the shaft sleeve main body 2, an internal thread seat 9 is arranged on the front end cover 1 and positioned around the shaft sleeve main body 2, a sealing cover 10 sleeved on the shaft sleeve main body 2 is screwed on the internal thread seat 9, a rotary disc 4 is fixed inside the sealing cover 10 on the shaft sleeve main body 2, the bottom of the rotary disc 4 is connected with the inner wall of the bottom of the sealing cover 10 through a first planar bearing 5 and a first sealing gasket 6 which are sequentially sleeved on the shaft sleeve main body 2, the top of the rotary disc 4 is connected with the bottom of the front end cover 1 through a second planar bearing 7 and a second sealing gasket 8 which are sequentially sleeved on the shaft sleeve main body 2, firstly, the second planar bearing 7 and the second sealing gasket 8 are sequentially sleeved on the shaft sleeve main body 2, then the shaft sleeve main body 2 is sleeved on the output shaft 3 until the positioning groove 16 and the positioning block 17 are buckled with each other, the shaft sleeve main body 2 is inserted in the center of the front end cover 1, then the first planar bearing 5 and the first sealing gasket 6 are sequentially sleeved on the shaft sleeve main body 2, finally, the sealing cover 10 is screwed on, the arrangement of the first planar bearing 5 and the second planar bearing 7 ensures that the shaft sleeve main body 2 and the rotating disk 4 can normally rotate in the sealing cover 10, the friction force is reduced, the arrangement of the first sealing gasket 6 and the second sealing gasket 8 ensures the connection tightness, water is prevented from entering the interior of the permanent magnet all-in-one machine through the gap between the front end cover 1 and the shaft sleeve main body 2, and the service life of the permanent magnet all-in-one machine is prolonged.

Preferably, the first planar bearing 5 and the second planar bearing 7 each comprise a planar washer 13 and cylindrical rollers 14, the cylindrical rollers 14 being disposed equidistantly around the top of the planar washer 13.

Preferably, the periphery of the bottom of the sealing cover 10 is provided with the external thread connecting portion 15, and the external thread connecting portion 15 is screwed and fixed in the internal thread seat 9, so that the connection stability is good.

Preferably, the inner wall of the shaft sleeve main body 2 is symmetrically provided with positioning grooves 16, and the output shaft 3 is integrally formed with positioning blocks 17 buckled with the positioning grooves 16, so that the connection stability of the shaft sleeve main body 2 and the output shaft 3 is ensured.

Example two

Referring to fig. 1, as another preferred embodiment, the difference from the first embodiment is that a through hole 11 sleeved on the shaft sleeve main body 2 is formed at the top end of the cover 10, a sealing ring 12 contacting with the shaft sleeve main body 2 is fixed on the inner wall of the through hole 11, and the sealing performance is further improved by the arranged sealing ring 12.

The working principle is as follows:

firstly, a second plane bearing 7 and a second sealing gasket 8 are sequentially sleeved on a shaft sleeve main body 2, then the shaft sleeve main body 2 is sleeved on an output shaft 3 until a positioning groove 16 and a positioning block 17 are buckled with each other, the shaft sleeve main body 2 is inserted in the center of a front end cover 1, then a first plane bearing 5 and a first sealing gasket 6 are sequentially sleeved on the shaft sleeve main body 2, finally, a sealing cover 10 is screwed on, the first plane bearing 5 and the second plane bearing 7 are arranged, the shaft sleeve main body 2 and a rotating disk 4 can be ensured to normally rotate in the sealing cover 10, friction force is reduced, the first sealing gasket 6 and the second sealing gasket 8 are arranged, the connection tightness is ensured, water is prevented from entering the interior of the permanent magnet all-in-one machine through a gap between the front end cover 1 and the shaft sleeve main body 2, and the service life of the permanent magnet all-in-one machine is prolonged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a shaft sleeve structure for permanent magnetism all-in-one, includes front end housing (1), the center department of front end housing (1) rotates and is connected with axle sleeve main part (2), the inside of axle sleeve main part (2) is fixed with output shaft (3), its characterized in that: the improved rotary shaft sleeve is characterized in that an inner thread seat (9) is arranged on the front end cover (1) and around the shaft sleeve main body (2), a sealing cover (10) sleeved on the shaft sleeve main body (2) is connected onto the inner thread seat (9) in a rotating mode, a rotary disc (4) is fixed inside the sealing cover (10) on the shaft sleeve main body (2), the bottom of the rotary disc (4) is connected with the inner wall of the bottom of the sealing cover (10) through a first plane bearing (5) and a first sealing gasket (6) which are sequentially sleeved on the shaft sleeve main body (2), and the top of the rotary disc (4) is connected with the bottom of the front end cover (1) through a second plane bearing (7) and a second sealing gasket (8) which are sequentially sleeved on the shaft sleeve main body (2).

2. The shaft sleeve structure for the permanent magnet all-in-one machine according to claim 1, characterized in that: the first plane bearing (5) and the second plane bearing (7) respectively comprise a plane gasket (13) and cylindrical rollers (14), and the cylindrical rollers (14) are equidistantly arranged on the periphery of the top of the plane gasket (13).

3. The shaft sleeve structure for the permanent magnet all-in-one machine according to claim 1, characterized in that: the top end of the sealing cover (10) is provided with a through hole (11) which is sleeved on the shaft sleeve main body (2), and a sealing ring (12) which is in contact with the shaft sleeve main body (2) is fixed on the inner wall of the through hole (11).

4. The shaft sleeve structure for the permanent magnet all-in-one machine according to claim 1, characterized in that: and the periphery of the bottom of the sealing cover (10) is provided with an external thread connecting part (15), and the external thread connecting part (15) is screwed and fixed in the internal thread seat (9).

5. The shaft sleeve structure for the permanent magnet all-in-one machine according to claim 1, characterized in that: the inner wall of the shaft sleeve main body (2) is symmetrically provided with positioning grooves (16), and the output shaft (3) is integrally formed with positioning blocks (17) buckled with the positioning grooves (16).