CN213093974U

CN213093974U - Motor rear support and motor

Info

Publication number: CN213093974U
Application number: CN202021512432.8U
Authority: CN
Inventors: 吴先财; 方绍林; 杨忠
Original assignee: Zhejiang Wanguan Motor Co ltd
Current assignee: Zhejiang Wanguan Motor Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-04-30
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a motor after-poppet and motor relates to motor technical field. The utility model has the advantages of simple and reasonable structure, through set up fixed muscle at support bearing room inner circle behind the motor, can make the motor direct fixation bearing in the assembly, the outer lane of bearing can need not glue fixedly like this, has effectively solved prior art and has adopted glue to bond and lead to the unable normal use of motor, causes the problem that the motor burns the machine even, and the practicality is strong.

Description

Motor rear support and motor

Technical Field

The utility model relates to the technical field of electric machines, especially, relate to a motor after-poppet and motor.

Background

The bearing at the tail end of the existing motor shaft is usually adhered and fixed on the inner wall of the motor shell through glue. However, in the bonding process, the glue inevitably contacts the brush box to stick the carbon brush, so that the normal use of the motor is influenced, and even the motor is burnt.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a motor after-poppet and motor that simple structure is reasonable, fixed muscle is add to support bearing room inner circle behind the motor, can make the motor direct mount bearing in the assembly to solve the problem that above-mentioned prior art exists.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides a motor after-poppet, including the after-poppet body, be provided with the bearing room that is used for the installation to hold the bearing on the after-poppet body, the bearing room inside wall is provided with the fixed muscle that is used for the fixing bearing excircle.

Optionally, the fixing rib is parallel to the motor shaft.

Optionally, the inner side wall of the bearing chamber is circumferentially and uniformly provided with a plurality of fixing ribs.

Optionally, the cross section of the fixing rib is semicircular.

Optionally, the rear bracket body is a metal bracket or a plastic bracket.

Optionally, the rear bracket body and the fixing rib are integrally formed.

The utility model also provides a motor, including the axle, install in the stator module of axle, install in the rotor subassembly of axle, install in the fore-stock of axle front end and as above the motor after-poppet, ball bearing is installed to the end of axle, the motor after-poppet is fixed in the end of axle, and will the ball bearing cover is located in the bearing room.

Optionally, the motor rear support is a convex support, the bearing chamber is arranged in the center of the top of the convex support, and bottom ends of two sides of the convex support are fixed on the stator assembly shell.

Optionally, brush boxes are embedded in two sides of the motor rear support, and carbon brushes are installed in the brush boxes.

The utility model discloses for prior art gain following technological effect:

the utility model provides a motor after-poppet and motor, simple structure is reasonable, through set up fixed muscle at the motor after-poppet bearing room inner circle, can make the motor direct fixation bearing in the assembly, the outer lane of bearing can be fixed without gluing like this, has effectively solved prior art and has adopted glue to bond and lead to the unable normal use of motor, causes the problem that the motor burns the machine even, and the practicality is strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the rear bracket of the motor of the present invention;

FIG. 2 is a left side view of FIG. 1;

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

fig. 4 is a schematic view of the overall structure of the motor of the present invention;

fig. 5 is an explosion structure diagram of the motor of the present invention;

wherein the reference numerals are: 1. a rear bracket body; 2. a bearing chamber; 3. fixing the ribs; 4. a shaft; 5. a front bracket; 6. a stator assembly; 7. a rotor assembly; 8. a front end plate; 9. a rear end plate; 10. a ball bearing; 11. A brush box; 12. a commutator.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

The first embodiment is as follows:

as shown in fig. 1-3, the present embodiment provides a rear bracket for a motor, which includes a rear bracket body 1, a bearing chamber 2 for installing and accommodating a bearing is disposed on the rear bracket body 1, and a fixing rib 3 for fixing an outer circle of the bearing is disposed on an inner side wall of the bearing chamber 2.

In this embodiment, as shown in fig. 1 and 3, the fixing rib 3 is a bar rib structure parallel to the motor shaft.

In this embodiment, the inside wall of bearing room 2 is that circumference evenly is provided with many fixed muscle 3, preferably sets up 4.

In this embodiment, the cross section of the fixing rib 3 is preferably semicircular, and forms contact with the outer circle of the bearing by an arc surface, and the fixing rib is clamped and fixed.

In this embodiment, the rear bracket body 1 is preferably a metal bracket or a plastic bracket; the metal support is preferably an aluminum alloy structure.

In this embodiment, the rear bracket body 1 and the fixing rib 3 are preferably integrally formed.

This embodiment sets up many fixed muscle through the bearing room inner circle at the motor after-poppet, can make the motor direct mount bearing in the assembly, avoids adding gluey fixed, can effectively solve the problem that glue bonds the bearing and leads to the motor to burn out, and the practicality is strong, is applicable to multiple model motor.

Example two:

the embodiment provides a motor, which comprises the motor rear bracket in the first embodiment. As shown in fig. 4-5, the motor includes a shaft 4, a stator assembly 6 mounted on the shaft 4, a rotor assembly 7 mounted on the shaft 4, a front bracket 5 mounted on the front end of the shaft 4, and a rear bracket body 1 mounted on the end of the shaft 4, wherein a ball bearing 10 is mounted on the end of the shaft 4, the rear bracket of the motor is fixed on the end of the shaft 4, and the ball bearing 10 is covered in the bearing chamber 2, and the ball bearing 10 is circumferentially clamped by each fixing rib 3, thereby achieving a fixing effect.

In this embodiment, as shown in fig. 4, the rear bracket of the motor is a convex bracket, the bearing chamber 2 is disposed at the center of the top of the convex bracket, and the bottom ends of the two sides of the convex bracket are fixed to the housing of the stator assembly 6 by bolts.

In this embodiment, as shown in fig. 4 to 5, brush boxes 11 are embedded in two sides of the rear bracket of the motor, and carbon brushes are installed in the brush boxes 11.

In this embodiment, the rotor assembly 7 includes a rotor slot insulator, a rotor enameled wire, a rotor core, and the like assembled in a conventional manner, the rotor assembly 7 is fixedly sleeved at the center of the shaft 4, a front end plate 8 and a rear end plate 9 are respectively disposed at two ends of the rotor assembly 7, and a commutator 12 is further disposed between the rear end plate 9 and the bearing. The stator assembly 6 is disposed at the periphery of the rotor assembly 7 and includes stator enamel wires, a stator core, stator slot insulation, and the like, which are assembled in a conventional manner. In this embodiment, the above components in the motor are all existing components, and may be modified adaptively according to the difference in the motor model and function, and the specific installation manner, the accessories that can be used in the installation process, and the working principle of the above components are all known in the art, and are not described herein again.

Therefore, the motor that this embodiment provided adds fixed muscle through support bearing chamber inner circle behind the motor, can make the motor direct mount bearing in the assembly, and the outer lane of bearing can be fixed without gluing like this, has effectively solved prior art and has adopted glue to bond and lead to the unable normal use of motor, causes the problem that the motor burns out even, and the practicality is strong.

It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A motor after-poppet which characterized in that: including the after-poppet body, be provided with the bearing room that is used for the installation to hold the bearing on the after-poppet body, the bearing room inner wall is provided with the fixed muscle that is used for the fixed bearing excircle.

2. The motor rear bracket of claim 1, wherein: the fixed rib is parallel to the motor shaft.

3. The motor rear bracket of claim 1, wherein: the bearing chamber inner side wall is that circumference evenly is provided with many fixed muscle.

4. The motor rear bracket of claim 1, wherein: the cross section of the fixing rib is semicircular.

5. The motor rear bracket of claim 1, wherein: the rear support body is a metal support or a plastic support.

6. The motor rear bracket of claim 1, wherein: the rear support body and the fixing ribs are integrally formed.

7. An electric machine characterized by: the motor rear support comprises a shaft, a stator assembly arranged on the shaft, a rotor assembly arranged on the shaft, a front support arranged at the front end of the shaft and the motor rear support as claimed in any one of claims 1 to 6, wherein a ball bearing is arranged at the tail end of the shaft, the motor rear support is fixed at the tail end of the shaft, and the ball bearing is covered in a bearing chamber.

8. The electric machine of claim 7, wherein: the motor rear support is a convex support, the bearing chamber is arranged in the center of the top of the convex support, and the bottom ends of the two sides of the convex support are fixed on the stator assembly shell.

9. The electric machine of claim 7, wherein: brush boxes are embedded in two sides of the motor rear support, and carbon brushes are installed in the brush boxes.