CN210744886U - Three-phase asynchronous motor rear end cover - Google Patents
Three-phase asynchronous motor rear end cover Download PDFInfo
- Publication number
- CN210744886U CN210744886U CN201922315266.6U CN201922315266U CN210744886U CN 210744886 U CN210744886 U CN 210744886U CN 201922315266 U CN201922315266 U CN 201922315266U CN 210744886 U CN210744886 U CN 210744886U
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- end cover
- metal end
- phase asynchronous
- rear end
- wedge
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Abstract
The utility model discloses a three-phase asynchronous machine rear end cap, including metal end cover, annular, sealing washer, ring concave surface, screw hole piece, circular arc piece, keyway, round hole, wedge and wedge hole. The utility model discloses, through the position design with the installation bearing for the alternate three circular arc piece that distributes of annular and pass wedge hole and keyway through the wedge, can fix the epaxial bearing assembly of motor shaft, saved the material and use, through the ring concave surface that has certain rigidity at metal end cover one side disc edge design and at metal end cover lid edge installation sealing washer to reach the effect to operation motor shaft end vibration buffering, strengthen the leakproofness of junction.
Description
Technical Field
The utility model relates to a rear end cap specifically is a three-phase asynchronous machine rear end cap belongs to motor processing technology field.
Background
The motor is an electromagnetic device which realizes the conversion or transmission of electric energy according to the law of electromagnetic induction, or converts one form of electric energy into another form of electric energy, the motor converts the electric energy into mechanical energy, and the generator converts the mechanical energy into the electric energy.
The structure part of the existing motor rear end cover for mounting the bearing is an annular hole block structure, the used metal materials are more, meanwhile, the bearing mounting part vibrates along with the operation of the motor, a simple structure capable of buffering is lacked, and a corresponding sealing structure is lacked at a joint. Therefore, a three-phase asynchronous motor rear end cover is provided for solving the problems.
Disclosure of Invention
An object of the utility model is just to provide a three-phase asynchronous machine rear end cap in order to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose, a three-phase asynchronous machine rear end cap, including the metal end cover, the casting of circular wall middle part annular equidistance has three circular arc piece in the metal end cover, and is three the keyway has all been seted up at circular arc piece inboard cambered surface middle part, keyway one end is passed through wedge hole and metal end cover outside disc relevant position intercommunication, the sealing washer is installed at metal end cover lid mouth edge, and the casting shaping of metal end cover outside disc edge has the ring concave surface, the round hole has been seted up at metal end cover outside disc middle part.
Preferably, the sealing ring is embedded in the annular groove, and the annular groove is formed in the annular surface of the cover opening of the metal end cover.
Preferably, three screw hole blocks are installed to metal end cover annular surface annular equidistance, and three screw hole block homonymy lateral wall and metal end cover lid mouth terminal surface parallel and level.
Preferably, the ring concave surface is formed into a thin steel layer by a corresponding forging device, and the cross-sectional thickness of the ring concave surface is 2 cm.
Preferably, a wedge is inserted into the wedge hole, and the corresponding end of the wedge extends into the key groove.
Preferably, the inner ring formed between the arc blocks is rotatably connected with the corresponding shaft end of the motor through a bearing.
The utility model has the advantages that:
1. according to the rear end cover of the three-phase asynchronous motor, the part for mounting the bearing is designed into three circular arc blocks which are distributed annularly and alternately, and the wedge passes through the wedge hole and the key groove through the wedge, so that the bearing on the shaft end of the motor can be assembled and fixed, and the material consumption is saved.
2. This kind of three-phase asynchronous machine rear end cap through the ring concave surface that has certain rigidity of design at metal end cap one side disc edge and at metal end cap mouth edge installation sealing washer to reach the effect to the buffering of operation motor shaft end vibration, strengthen the leakproofness of junction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without inventive exercise.
FIG. 1 is a schematic view of a side structure of a metal end cap of the present invention;
FIG. 2 is a side view of the metal end cap structure of the present invention;
fig. 3 is a schematic view of the structure of the other side of the metal end cap of the present invention.
In the figure: 1. the metal end cover comprises a metal end cover body 2, an annular groove 3, a sealing ring 4, an annular concave surface 5, a screw hole block 6, an arc block 7, a key groove 8, a round hole 9, a wedge 10 and a wedge hole.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-3, the rear end cover of the three-phase asynchronous motor comprises a metal end cover 1, wherein three arc blocks 6 are annularly and equidistantly cast in the middle of the inner circular wall of the metal end cover 1, key grooves 7 are formed in the middle of the inner side arc surfaces of the three arc blocks 6, one ends of the key grooves 7 are communicated with the corresponding positions of the outer circular surface of the metal end cover 1 through wedge holes 10, a seal ring 3 is installed on the edge of a cover opening of the metal end cover 1, a ring concave surface 4 is cast and formed on the edge of the outer circular surface of the metal end cover 1, and a circular hole 8 is formed in the middle of the outer circular surface.
The sealing ring 3 is embedded in the annular groove 2, and the annular groove 2 is formed in the annular surface of the cover opening of the metal end cover 1, so that the sealing ring 3 is convenient to mount; the annular surface of the metal end cover 1 is annularly and equidistantly provided with three screw hole blocks 5, and the side walls of the three screw hole blocks 5 on the same side are flush with the end surface of the cover opening of the metal end cover 1, so that the consistency of the structure is ensured; the ring concave surface 4 forms a thin steel layer through corresponding forging equipment, and the thickness of the section of the ring concave surface 4 is 2cm, so that a rigid edge can be formed at the corresponding edge; a wedge 9 is inserted into the wedge hole 10, and the corresponding end of the wedge 9 extends into the key groove 7, so that the corresponding mounting structure can be fastened; the inner ring formed between the arc blocks 6 is rotationally connected with the corresponding shaft end of the motor through a bearing, so that the effect of rotational connection is achieved.
When the bearing mounting device is used, the bearing on the shaft end of the motor can be assembled and fixed by designing the part for mounting the bearing into three circular arc blocks 6 which are distributed annularly and alternately and penetrating through the wedge holes 10 and the key grooves 7 through the wedges 9, so that the material use is saved;
through ring concave surface 4 that has certain rigidity and at 1 lid mouth edge installation sealing washer 3 of metal end cover 1 side disc edge design to reach the effect to the buffering of running motor axle head vibration, strengthen the leakproofness of junction.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a three-phase asynchronous machine rear end cap which characterized in that: including metal end cover (1), the casting of circle wall middle part annular equidistance has three arc piece (6) in metal end cover (1), and is three keyway (7) have all been seted up in arc piece (6) inboard cambered surface middle part, keyway (7) one end is passed through keyhole (10) and metal end cover (1) outside disc relevant position intercommunication, sealing washer (3) are installed at metal end cover (1) rim of mouth, and metal end cover (1) outside disc edge casting shaping has ring concave surface (4), round hole (8) have been seted up in metal end cover (1) outside disc middle part.
2. The three-phase asynchronous motor rear end cover according to claim 1, characterized in that: the sealing ring (3) is embedded in the annular groove (2), and the annular groove (2) is arranged on the annular surface of the cover opening of the metal end cover (1).
3. The three-phase asynchronous motor rear end cover according to claim 1, characterized in that: three screw hole piece (5) are installed to metal end cover (1) toroidal surface annular equidistance, and three screw hole piece (5) homonymy lateral wall and metal end cover (1) gaikou terminal surface parallel and level.
4. The three-phase asynchronous motor rear end cover according to claim 1, characterized in that: the ring concave surface (4) forms a thin steel layer through corresponding forging equipment, and the thickness of the section of the ring concave surface (4) is 2 cm.
5. The three-phase asynchronous motor rear end cover according to claim 1, characterized in that: a wedge (9) is inserted into the wedge hole (10), and the corresponding end of the wedge (9) extends into the key groove (7).
6. The three-phase asynchronous motor rear end cover according to claim 1, characterized in that: and an inner ring formed between the arc blocks (6) is rotationally connected with the corresponding shaft end of the motor through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922315266.6U CN210744886U (en) | 2019-12-21 | 2019-12-21 | Three-phase asynchronous motor rear end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922315266.6U CN210744886U (en) | 2019-12-21 | 2019-12-21 | Three-phase asynchronous motor rear end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210744886U true CN210744886U (en) | 2020-06-12 |
Family
ID=71007673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922315266.6U Active CN210744886U (en) | 2019-12-21 | 2019-12-21 | Three-phase asynchronous motor rear end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210744886U (en) |
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2019
- 2019-12-21 CN CN201922315266.6U patent/CN210744886U/en active Active
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