CN203747554U - Rear end cover used for motor - Google Patents
Rear end cover used for motor Download PDFInfo
- Publication number
- CN203747554U CN203747554U CN201320884876.8U CN201320884876U CN203747554U CN 203747554 U CN203747554 U CN 203747554U CN 201320884876 U CN201320884876 U CN 201320884876U CN 203747554 U CN203747554 U CN 203747554U
- Authority
- CN
- China
- Prior art keywords
- reinforcement
- flange
- fixed cap
- motor
- rear end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000002787 reinforcement Effects 0.000 claims description 43
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to a rear end cover for a motor. The rear end cover used for the motor comprises a body and a fixing cover; the fixing cover sleeves the left side of the body; an annular protruding edge extends out from the middle of the fixing cover; the wall surface of the left end of a disc-shaped base is provided with a positioning groove; the right side of the fixing cover is correspondingly provided with a positioning block which is clamped into the positioning groove; the fixing cover is further provided with an annular boss which protrudes to the left side; a plurality of first enforcing ribs which face the axis of the fixing cover are connected between the inner side of the annular boss and the body of the fixing cover; a plurality of second enforcing ribs which back on to the axis of the fixing cover are connected between the outer side of the annular boss and the disc-shaped base; and the first enforcing ribs and the second enforcing ribs are arranged alternately. After being disassembled, the rear cover is not in an integrated state; the rear end cover has excellent supporting strength and can transmit vibration energy in a combined manner, and therefore, excellent vibration-resistance performance can be realized, and a motor spindle can be positioning more stably and has greater vibration-resistance performance, and noises caused by high-speed rotation of a motor can be reduced.
Description
Technical field
The utility model relates to technical field of motors, relates in particular to a kind of for the rear end cap on motor.
Background technology
Electric motor end cap is to be mainly used for fixing or the vitals of support stator and rotor.The lead-out wire of conventional motors need to pass the rear end cap of motor, and existing end cap outlet method mainly contains two kinds, and one is circular, and another kind is open-type.First kind of way motor lead-out wire need to pass from circular hole, and production efficiency is low; Another mode is directly at open slot of end cap upper punch, but this mode can make end cap bulk strength reduce, and easily motor causes noise and vibration.But existing back end cover for motor lacks device for positioning and securing, this is unfavorable for the location of fixed cap and fixing, and some motor rear end covers the device that lacks the support strength that strengthens boss, and this is unfavorable for preventing boss generation deformation, can not meet real Production requirement.
Utility model content
The purpose of this utility model is in order to overcome the deficiencies in the prior art, provides a kind of on motor, novel structure, and intensity is high, reduce vibration that motor produces because of high speed rotating and the rear end cap of noise.
To achieve these goals, the utility model is to be achieved through the following technical solutions:
For the rear end cap on motor, comprise body and fixed cap, described body is connected as a single entity and forms by the disc base portion of Intermediate Gray axis hole with around the annular flange flange of axis hole, and described annular flange flange is concentric with axis hole, and annular flange flange internal diameter is greater than axis hole aperture; Described fixed cap is the hollow ring lid that middle part is provided with manhole, and fixed cap is sleeved on body left side, and annular flange flange is stretched out from the manhole at fixed cap middle part; Described disc base left end wall surface is provided with location notch, and the right side correspondence of described fixed cap is provided with the locating piece for snapping in location notch; On described fixed cap, be also provided with the annular boss protruding to the left, between described annular boss inner side and fixed cap body, be connected with multiple the first reinforcements towards axle center; Between described annular flange flange outside and disc base portion, be connected with multiple second reinforcements in axle center dorsad; Described the first reinforcement and the interlaced arrangement of the second reinforcement.
Further, on described fixed cap outward flange perisporium, be also provided with outwardly directed multiple lug, described lug is provided with fixing hole.Contribute to the fixing, simple in structure, easy to operate and practical of body by being provided with the lug of fixing hole.
Further, described the second reinforcement is the skewback that one end connects annular flange flange, other end clutch disk shape base portion; Fixed cap body between described adjacent the first reinforcement is provided with the draw-in groove that holds described the second reinforcement, described draw-in groove upper end is and the skew notch of described skewback form fit, under pressing effect, skew notch is pressed into the second reinforcement, can not only assist better the second reinforcement to produce and strengthen and anti-vibration effect, and can play good centering positioning action.
Further, described the first reinforcement has four at least, and is distributed in symmetrically the inner side of annular boss; Described the second reinforcement has four at least, and is arranged on symmetrically the outside of annular flange flange; Described the first reinforcement and the second reinforcement quantity equate.
When on-the-spot use, operating personnel are fixed on body on motor by the fixing hole on fixed cap, can realize installation of the present utility model.
Compared with prior art, the beneficial effects of the utility model are: the utility model contributes to the location of fixed cap by location notch, contribute to strengthen support strength and the shock resistance of fixed cap by being provided with the annular boss of the first reinforcement.Between annular flange flange outside and disc base portion, be connected with multiple second reinforcements in axle center dorsad and can prevent better that annular flange flange from producing deformation.Fixed cap engage sleeves is contained on body, and the first reinforcement between annular boss and annular flange flange and the interlaced arrangement of the second reinforcement, the rear end cap of non-Unitary after this fractionation, not only there is good support strength, and can combine transmission vibration strength, thereby realize good shock resistance, electric machine main shaft is more stably located and anti-vibration, reduce the noise that motor produces because of high speed rotating.
Brief description of the drawings
Fig. 1 is the end face structure schematic diagram of rear end cap of the present utility model;
Fig. 2 is the sectional structure schematic diagram along A-A line of Fig. 1.
Fig. 3 is the sectional structure schematic diagram along B-B line of Fig. 1.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, Fig. 2 and Fig. 3, a kind of for the rear end cap on motor, be mutually equipped with and form by body 1 and fixed cap 2, wherein:
Body 1 is connected as a single entity and forms by the disc base portion 1a of Intermediate Gray axis hole 1c with around the annular flange flange 1b of axis hole 1c.Annular flange flange 1b is concentric with axis hole 1c, and annular flange flange 1b internal diameter is greater than axis hole 1c aperture.And fixed cap 2 is hollow ring lids that middle part is provided with manhole, on fixed cap 2 outward flange perisporiums, be also provided with outwardly directed multiple lug 23, lug 23 is provided with fixing hole 231, installs for stretching into bolt, contributes to the fixing of body 1.
The equipped mode of above-mentioned fixed cap 2 and body 1 is as follows: fixed cap 2 packs body 1 into from left side cover, and annular flange flange 1b stretches out from the manhole at fixed cap 2 middle parts.Wherein the disc base portion 1a left end wall of body 1 is provided with location notch 11, and the right side correspondence of fixed cap 2 is provided with the locating piece 21 for snapping in location notch 11, and locating piece 21 snaps in location notch 11 and makes body 1 and fixed cap 2 complete first location.
On above-mentioned fixed cap 2, be also provided with the annular boss 22 protruding to the left, between annular boss 22 inner sides and fixed cap 2 bodies, be connected with six the first reinforcements 221 towards axle center, and distribute symmetrically in the inner side of annular boss 22, all point to axle center.Contribute to strengthen the support strength of annular boss 22 with the annular boss 22 of the first reinforcement 221, prevent that annular boss 22 from producing deformation.Between annular flange flange 1b outside and disc base portion 1a, be connected with six second reinforcements 1212 in axle center dorsad, and distributing symmetrically in the outside of annular flange flange 1b, centered by axle center, scatter radially.The second above-mentioned reinforcement 1212 is the skewback of one end connection annular flange flange 1b, other end clutch disk shape base portion 1a specifically, the first reinforcement 221 and the interlaced arrangement of the second reinforcement 1212, fixed cap 2 bodies between adjacent two the first reinforcements 221 are provided with the draw-in groove 24 that holds described the second reinforcement 1212, draw-in groove 24 width equal the width of skewback, the length of draw-in groove 24 equals the length that the second reinforcement 1212 and disc base portion 1a join, and draw-in groove 24 upper ends are and the skew notch 240 of skewback form fit in addition.
When on-the-spot use, operating personnel are fixed on body 1 on motor by the fixing hole 231 on fixed cap 2, can realize installation of the present utility model.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.For example, the first reinforcement 221 and the second reinforcement 1212 quantity are not limited to six, best, above-mentioned the first reinforcement 221 and the second reinforcement 1212 have respectively four at least, and are arranged on symmetrically the outside of annular flange flange 1b, and other the first reinforcement 221 and the second reinforcement 1212 quantity preferably equate, be convenient to symmetric arrays, distribution of weight is even, and the micro-vibration balancing while being conducive to make electric machine main shaft rotation, is conducive to improve motor operation stability.
Claims (4)
1. one kind for the rear end cap on motor, it is characterized in that: comprise body (1) and fixed cap (2), described body (1) is by the disc base portion (1a) of Intermediate Gray axis hole (1c) with around the annular flange flange (1b) of axis hole (1c) formation that is connected as a single entity, described annular flange flange (1b) is concentric with axis hole (1c), and annular flange flange (1b) internal diameter is greater than axis hole (1c) aperture; Described fixed cap (2) is the hollow ring lid that middle part is provided with manhole, and fixed cap (2) is sleeved on body (1) left side, and annular flange flange (1b) is stretched out from the manhole at fixed cap (2) middle part; Described disc base portion (1a) left end wall is provided with location notch (11), and the right side correspondence of described fixed cap (2) is provided with the locating piece (21) for snapping in location notch (11); On described fixed cap (2), be also provided with the annular boss (22) protruding to the left, between described annular boss (22) inner side and fixed cap (2) body, be connected with multiple the first reinforcements (221) towards axle center; Between described annular flange flange (1b) outside and disc base portion (1a), be connected with multiple second reinforcements (1212) in axle center dorsad; Described the first reinforcement (221) and the interlaced arrangement of the second reinforcement (1212).
2. according to claim 1 a kind of for the rear end cap on motor, it is characterized in that: on described fixed cap (2) outward flange perisporium, be also provided with outwardly directed multiple lug (23), described lug (23) is provided with fixing hole (231).
3. according to claim 1 a kind of for the rear end cap on motor, it is characterized in that: described the second reinforcement (1212) is the skewback that one end connects annular flange flange (1b), other end clutch disk shape base portion (1a); Fixed cap (2) body between described adjacent the first reinforcement (221) is provided with the draw-in groove (24) that holds described the second reinforcement (1212), and described draw-in groove (24) upper end is and the skew notch (240) of described skewback form fit.
4. according to claim 1 a kind of for the rear end cap on motor, it is characterized in that: described the first reinforcement (221) has four at least, and be distributed in symmetrically the inner side of annular boss (22); Described the second reinforcement (1212) has four at least, and is arranged on symmetrically the outside of annular flange flange (1b); Described the first reinforcement (221) and the second reinforcement (1212) quantity equate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884876.8U CN203747554U (en) | 2013-12-28 | 2013-12-28 | Rear end cover used for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884876.8U CN203747554U (en) | 2013-12-28 | 2013-12-28 | Rear end cover used for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203747554U true CN203747554U (en) | 2014-07-30 |
Family
ID=51347310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320884876.8U Expired - Fee Related CN203747554U (en) | 2013-12-28 | 2013-12-28 | Rear end cover used for motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203747554U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724484A (en) * | 2018-08-29 | 2018-11-02 | 泉州新海能机械有限公司 | A kind of makita 4100NH |
| CN109327101A (en) * | 2018-12-17 | 2019-02-12 | 上海酷风汽车部件有限公司 | A bearing end cover |
| CN110006177A (en) * | 2018-01-04 | 2019-07-12 | 青岛经济技术开发区海尔热水器有限公司 | Water heater end cap and water heater |
-
2013
- 2013-12-28 CN CN201320884876.8U patent/CN203747554U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006177A (en) * | 2018-01-04 | 2019-07-12 | 青岛经济技术开发区海尔热水器有限公司 | Water heater end cap and water heater |
| CN108724484A (en) * | 2018-08-29 | 2018-11-02 | 泉州新海能机械有限公司 | A kind of makita 4100NH |
| CN109327101A (en) * | 2018-12-17 | 2019-02-12 | 上海酷风汽车部件有限公司 | A bearing end cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20151228 |
|
| EXPY | Termination of patent right or utility model |