CN216699676U

CN216699676U - Motor convenient to disassemble and assemble

Info

Publication number: CN216699676U
Application number: CN202220103542.1U
Authority: CN
Inventors: 曹吉峰; 陈平
Original assignee: Suzhou Zhipu Intelligent Motor Co ltd
Current assignee: Suzhou Zhipu Intelligent Motor Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-06-07
Anticipated expiration: 2032-01-14

Abstract

The utility model discloses a motor convenient to disassemble and assemble, which comprises a rotor, a stator, a casing, a front end cover and a rear end cover, wherein the rotor comprises a rotating shaft, the outer edge of the front end cover props against the inner wall of the casing, a first retaining ring for limiting the front end cover to move outwards along the axial direction of the rotating shaft is arranged on the inner wall of the casing, a first bearing matched with the rotating shaft is arranged on the inner side of the front end cover, a second retaining ring is arranged on the rotating shaft, and the front end cover and the second retaining ring respectively limit the first bearing shaft to move outwards and inwards along the axial direction of the rotating shaft; a first annular groove is formed in the inner wall of the shell, which is positioned on the outer side of the front end cover, and the first check ring is detachably arranged in the first annular groove; and a second ring groove is formed in the rotating shaft on the inner side of the first bearing, and the second retaining ring is detachably arranged in the second ring groove. The connection mode between the end cover and the shell is simple, the number of connecting pieces is small, the disassembly and the assembly are convenient, and the stability and the safety of the operation of the motor are high.

Description

Motor convenient to disassemble and assemble

Technical Field

The utility model relates to the technical field of motors, in particular to a motor convenient to disassemble and assemble.

Background

At present, the motor on the market generally comprises the rotor, the stator, the casing, spare parts such as front end housing and rear end cap constitute, the lid form spare part at the casing both ends is installed to the end cover, the motor generally need be fixed with end cover and casing mutually through the bolt when installing, the installation of an end cover generally needs four bolts and gasket, the dismantlement of motor or installation are not too convenient, in addition, connecting piece between end cover and the casing is in large quantity, in case produce not hard up lead to the connecting piece to lose easily or fall into inside the motor, influence the stability and the security of motor operation. Therefore, it is desirable to develop a motor with a simpler connection method between the end cover and the casing, so as to overcome the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a motor convenient to disassemble and assemble. The connection mode between the end cover and the shell is simple, the number of connecting pieces is small, the disassembly and the assembly are convenient, and the stability and the safety of the operation of the motor are high.

The technical scheme of the utility model is as follows: the utility model provides a convenient motor of dismouting, includes rotor, stator, casing, front end housing and rear end housing, and the rotor includes the pivot, the outward flange of front end housing supports the inner wall of casing, is equipped with the first retaining ring of restriction front end housing along the outside motion of pivot axial on the inner wall of casing, and the inboard of front end housing is installed with the first bearing of pivot complex, is equipped with the second retaining ring in the pivot, and front end housing and second retaining ring restrict first bearing axle respectively and outwards and the inside motion along the pivot axial.

Compared with the prior art, the utility model has the beneficial effects that: the front end cover is fixed through the limiting action of a first retaining ring and a second retaining ring, wherein the first retaining ring is in direct contact with the front end cover to limit the outward movement of the front end cover along the axial direction of the rotating shaft, the second retaining ring indirectly limits the inward movement of the front end cover along the axial direction of the rotating shaft through the limitation of a first bearing arranged in the front end cover, and the first retaining ring and the second retaining ring are respectively arranged on the inner wall of the shell and the rotating shaft. Meanwhile, the number of connecting pieces adopted by a fixing mode of removing the limiting end cover by the check ring is small, the connecting pieces cannot be loosened and lost or fall into the motor, and the operation stability and safety of the motor are improved.

In the convenient motor of aforesaid dismouting, be located be equipped with first annular on the casing inner wall in the front end housing outside, first retaining ring detachably sets up in first annular.

In the motor convenient to disassemble and assemble, a second annular groove is formed in the rotating shaft on the inner side of the first bearing, and the second retaining ring is detachably arranged in the second annular groove.

In the motor convenient to disassemble and assemble, the rear end cover and the shell are of an integrated structure.

In the motor convenient to disassemble and assemble, the rear end cover is internally provided with the second bearing matched with the rotating shaft, the rotating shaft is provided with the third retaining ring, and the rear end cover and the third retaining ring respectively limit the movement of the second bearing shaft along the axial direction of the rotating shaft in two directions.

In the convenient motor of aforesaid dismouting, be equipped with the third annular in the pivot, third retainer ring detachably sets up in the third annular.

In the convenient motor of aforesaid dismouting, be equipped with the fourth annular in the pivot, detachably is provided with the fourth retaining ring in the fourth annular, and fourth retaining ring can restrict rotor subassembly in the ascending motion of axial.

In the motor convenient to disassemble and assemble, the inner wall of the shell is provided with the step for limiting the axial movement of the stator.

Drawings

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

FIG. 2 is a schematic view of the structure of the rotating shaft;

fig. 3 is a schematic structural view of the housing.

Reference numerals: 1-rotor, 2-stator, 3-machine shell, 4-front end cover, 5-rear end cover, 6-first retainer ring, 7-first bearing, 8-second retainer ring, 9-second bearing, 10-third retainer ring, 11-rotating shaft, 20-fourth retainer ring, 31-first ring groove, 32-step, 111-second ring groove, 112-third ring groove and 113-fourth ring groove.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model.

Example (b): the utility model provides a convenient motor of dismouting, the structure is as shown in fig. 1 to 3, including rotor 1, stator 2, casing 3, front end housing 4 and rear end housing 5, rotor 1 includes pivot 11, the outward flange of front end housing 4 supports the inner wall of casing 3, be equipped with the first retaining ring 6 of restriction front end housing 4 along the outside motion of pivot 11 axial on the inner wall of casing 3, the inboard of front end housing 4 install with pivot 11 complex first bearing 7, be equipped with second retaining ring 8 on the pivot 11, front end housing 4 and second retaining ring 8 restrict first bearing 7 axle respectively along the outside and inside motion of pivot 11 axial.

Referring to FIG. 1, the present invention is described with the inward pointing orientation to the left in FIG. 1 and the outward pointing orientation to the right in FIG. 1.

Preferably, a first annular groove 31 is formed in the inner wall of the housing 3 located outside the front end cover 4, and the first retainer ring 6 is detachably disposed in the first annular groove 31.

Preferably, the second annular groove 111 is provided in the rotating shaft 11 located inside the first bearing 7, the second retainer 8 is detachably provided in the second annular groove 111, the annular groove is easy to process and does not affect the structural integrity of the rotating shaft 11, and the second retainer 8 is designed to be of a split structure or a structure having elastic deformation for easy attachment and detachment.

Preferably, the rear end cover 5 and the casing 3 are of an integrated structure, so that the connecting step between the rear end cover 5 and the casing 3 can be omitted during installation, the operation is more convenient, and the structural stability is higher.

Preferably, a second bearing 9 matched with the rotating shaft 11 is installed in the rear end cover 5, a third retainer ring 10 is arranged on the rotating shaft 11, the rear end cover 5 and the third retainer ring 10 respectively limit the movement of the second bearing 9 in two axial directions along the rotating shaft 11, the design of the second bearing 9 meets the requirement of high stability of a double bearing of a motor, and the third retainer ring 10 is matched with the rear end cover 5 to fix the second bearing 9.

Preferably, the rotating shaft 11 is provided with a third ring groove 112, the third retainer ring 10 is detachably disposed in the third ring groove 112, and the third ring groove 112 and the third retainer ring 10 are disposed with reference to the second ring groove 111 and the second retainer ring 8.

Preferably, the rotating shaft 11 is provided with a fourth annular groove 113, the fourth annular groove 113 is detachably provided with a fourth retaining ring 20, the fourth retaining ring 20 can limit the axial movement of the rotor assembly, the fourth annular groove 113 and the fourth retaining ring 20 can be arranged in a manner of referring to the second annular groove 111 and the second retaining ring 8, the rotor assembly is convenient and stable to mount, all the annular grooves in the rotating shaft 11 are identical in machining size, and machining is convenient and fast.

The rotor assembly comprises a rotor core, a permanent magnet and a silicon steel sheet.

Preferably, the inner wall of the housing 3 is provided with a step 32 for limiting the axial movement of the stator 2, so that the stator 2 is convenient and stable to mount.

When the utility model is installed, firstly, the second bearing 9 and the stator 2 are installed in the machine shell 3, the third retaining ring 10, the rotor component, the fourth retaining ring 20 and the second retaining ring 8 are installed on the rotating shaft 11 to form the complete rotor 1, and the rotor 1 is inserted into the machine shell 3 to be installed, so that one end of the rotating shaft 11 is connected with the second bearing 9; the first bearing 7 is pre-installed in the front end cover 4, then the front end cover 4 and the first bearing 7 slide inwards along the rotating shaft 11 until the first bearing 7 abuts against the second retaining ring 8, and finally the first retaining ring 6 is installed to limit and fix the front end cover 4.

In the description of the present invention, it is to be understood that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the structures referred to must have a specific orientation, be configured in a specific orientation, and thus, should not be construed as limiting the present invention.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned examples, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides a convenient motor of dismouting, includes rotor (1), stator (2), casing (3), front end housing (4) and rear end cap (5), and rotor (1) is including pivot (11), its characterized in that: the outer edge of the front end cover (4) props against the inner wall of the machine shell (3), a first check ring (6) which limits the front end cover (4) to move outwards along the axial direction of the rotating shaft (11) is arranged on the inner wall of the machine shell (3), a first bearing (7) which is matched with the rotating shaft (11) is installed on the inner side of the front end cover (4), a second check ring (8) is arranged on the rotating shaft (11), and the front end cover (4) and the second check ring (8) respectively limit the first bearing (7) to move outwards and inwards along the axial direction of the rotating shaft (11).

2. The motor convenient to disassemble and assemble according to claim 1, characterized in that: be located be equipped with first annular (31) on casing (3) inner wall in front end housing (4) outside, first retaining ring (6) detachably sets up in first annular (31).

3. The motor convenient to disassemble and assemble according to claim 1, characterized in that: and a second annular groove (111) is formed in the rotating shaft (11) on the inner side of the first bearing (7), and the second retainer ring (8) is detachably arranged in the second annular groove (111).

4. The motor convenient to disassemble and assemble according to claim 1, characterized in that: the rear end cover (5) and the shell (3) are of an integrated structure.

5. The motor of claim 4, wherein the motor is capable of being assembled and disassembled conveniently, and the motor comprises: the rear end cover (5) is internally provided with a second bearing (9) matched with the rotating shaft (11), the rotating shaft (11) is provided with a third check ring (10), and the rear end cover (5) and the third check ring (10) respectively limit the movement of the shaft of the second bearing (9) along the axial direction of the rotating shaft (11) in two directions.

6. The motor of claim 5, wherein the motor is capable of being assembled and disassembled conveniently, and the motor comprises: and a third annular groove (112) is formed in the rotating shaft (11), and the third retainer ring (10) is detachably arranged in the third annular groove (112).

7. The motor convenient to disassemble and assemble according to claim 1, characterized in that: the rotating shaft (11) is provided with a fourth ring groove (113), a fourth retaining ring (20) is detachably arranged in the fourth ring groove (113), and the fourth retaining ring (20) can limit the axial movement of the rotor assembly.

8. The motor convenient to disassemble and assemble according to claim 1, characterized in that: and a step (32) for limiting the axial movement of the stator (2) is arranged on the inner wall of the shell (3).