CN207382098U - A kind of motor case - Google Patents
A kind of motor case Download PDFInfo
- Publication number
- CN207382098U CN207382098U CN201721542049.5U CN201721542049U CN207382098U CN 207382098 U CN207382098 U CN 207382098U CN 201721542049 U CN201721542049 U CN 201721542049U CN 207382098 U CN207382098 U CN 207382098U
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- China
- Prior art keywords
- annular
- front apron
- casing ontology
- face
- motor case
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Abstract
The purpose of this utility model be to provide a kind of concentricity it is higher, it is easy to process and assembling motor case.A kind of motor case, including casing ontology, the casing ontology is rounded along the inner edge of armature spindle radial section, the casing ontology front end extends to be formed with the first front apron inwardly, first front apron is set in a ring, the first front apron inner edge extends back to be formed with annular one, an annular rear end has extended to form the second front apron inwardly, the second front apron rear end face is formed with annular two and forms bearing chamber, second front apron has the through hole axially penetrated through along armature spindle, described annular one holding tank for forming to accommodate ring gear with the second front apron, the front end of described annular one extends to form annular three forward, so that annular three front ends are located on front side of first front apron.
Description
Technical field
The utility model is related to a kind of motor cases.
Background technology
Existing motor is usually made of three parts, and including drive end bearing bracket, casing and rear end cap, and wheel chair motor is equipped with speed reducer
Structure, by setting ring gear and planetary wheeling mechanism on the outside of drive end bearing bracket to realize reduction ratio, axis, the motor of ring gear mounting groove
Shaft axially bored line, casing inner rotor shaft axis on end cap are also difficult to so that in one plane, concentricity is poor, and gear is nibbled
The concentricity of conjunction is also poor, influences the use of motor.
The content of the invention
The purpose of this utility model be to provide a kind of concentricity it is higher, it is easy to process and assembling motor case.
To achieve the above object, the utility model adopts the following technical solution：A kind of motor case, including casing ontology,
The casing ontology is rounded along the inner edge of armature spindle radial section, and the casing ontology front end extends inwardly with integrally formed
There is the first front apron, first front apron is set in a ring, and the first front apron inner edge extends back to be formed with annular
One, an annular rear end has extended to form the second front apron inwardly, and the second front apron rear end face is formed with ring
Shape two simultaneously forms bearing chamber, and second front apron has the through hole that is axially penetrated through along armature spindle, described annular one and the
Two front aprons form to accommodate the holding tank of ring gear, and the front end of described annular one extends forward to form annular three,
So that annular three front ends are located on front side of first front apron, the ring gear is fixed with casing ontology, so that outside ring gear
Edge is in contact with an annular inner face, so that ring gear front end face is located on rear side of annular three front ends.
The motor case of the utility model, which is integrally formed, to be set, and can directly be drilled to obtain through hole, be placed with ensureing
The holding tank of ring gear and through hole are coaxial, to ensure concentricity, to improve the using effect of the utility model motor.Wherein,
The part babinet that one front apron front end face, the second front apron front end face can form reduction box uses.Wherein, in annular three conducts
The excessive shelves and guiding of gear ring use, convenient for the fixation of ring gear.Wherein, the utility model electric machine casing is integrally formed, and is convenient for
Processing and manufacture.
Preferably, the second front apron front end face is in the cone mouth shape structure that opening is gradually reduced；Or before described second
Baffle front end face deviates the position indent of outer rim to be formed with annular recessing groove, and the annular recessing groove is communicated with the through hole.
Above-mentioned setting is so that ring gear only has outer rim side plate to be in contact with electric machine casing, to reduce connecing between ring gear and the second front apron
Contacting surface is accumulated, while the gear of planetary gear and gear shaft can effectively be avoided to be contacted with electric machine casing.
Preferably, the casing ontology inner circumferential wall extends to form inner convex platform inwardly, stator is consolidated with casing ontology
It is fixed, so that axial face is in contact with inner convex platform rear end face on front side of stator.The positioning of stator is convenient in above-mentioned setting.
Preferably, it is in by the rear pyramidal structure reduced recently to open front on rear side of the casing ontology inner circumferential wall.On
Setting is stated to be convenient for stator being packed into motor case.
The utility model has the advantages that higher concentricity, motor component processing and assembling more easily.
Description of the drawings
Fig. 1 is a kind of sectional view of electric machine casing of the utility model；
Fig. 2 is the electric machine casing of the utility model and the mutually fixed a kind of structure diagram of ring gear and stator.
Specific embodiment
The utility model is further described below according to the drawings and specific embodiments.
As shown in Fig. 1, Fig. 2, a kind of motor case of the utility model, including casing ontology 1, casing ontology 1 is along rotor
The inner edge of axis radial section is rounded, and 1 front end of casing ontology extends to be formed with inwardly the first front apron 2, before first
Baffle 2 is set in a ring, and 2 inner edge of the first front apron extends back to be formed with annular one 3, and annular 3 rear ends are inwardly
The second front apron 4 is extended to form, 4 rear end face of the second front apron is formed with annular two 5 and forms bearing chamber 42, the second front
Plate 4 has the through hole 41 axially penetrated through along armature spindle, and annular one 3 and the second front apron 4 form to accommodate the appearance of ring gear 6
Receive slot, the front end that annular is one 3 extends forward to form annular three 7, so that annular three 7 front ends are located at the first front apron 2
Front side, ring gear 6 are fixed with casing ontology 1, so that 6 outer rim of ring gear is in contact with annular 3 inner faces, so that ring gear
6 front end faces are located on rear side of three 7 front ends of annular.
Second front apron, 4 front end face deviates the position indent of outer rim to be formed with annular recessing groove 43, annular recessing groove 43
It being communicated with through hole 41,1 inner circumferential wall of casing ontology extends to form inner convex platform 8 inwardly, and stator 9 is fixed with casing ontology 1, with
9 front side axial face of stator is made to be in contact with 8 rear end face of inner convex platform, be on rear side of 1 inner circumferential wall of casing ontology by it is rear to open front most
The pyramidal structure closely reduced.
The utility model has the advantages that higher concentricity, motor component processing and assembling more easily.
Claims (4)
1. a kind of motor case, it is characterised in that including casing ontology, inner edge of the casing ontology along armature spindle radial section
Rounded, the casing ontology front end extends to be formed with the first front apron inwardly, and first front apron is in a ring
It sets, the first front apron inner edge extends back to be formed with annular one, and an annular rear end extends shape inwardly
Into there is the second front apron, the second front apron rear end face is formed with annular two and forms bearing chamber, second front apron
With the through hole axially penetrated through along armature spindle, described annular one receiving for forming to accommodate ring gear with the second front apron
Slot, the front end of described annular one extend forward to form annular three, so that annular three front ends are located at first front
On front side of plate, the ring gear is fixed with casing ontology, so that ring gear outer rim is in contact with an annular inner face, so that internal tooth
Front end face is enclosed to be located on rear side of annular three front ends.
2. a kind of motor case according to claim 1, it is characterised in that the second front apron front end face in opening by
Decrescence small cone mouth shape structure；Or the second front apron front end face deviates the position indent of outer rim to be formed with annular resigning
Slot, the annular recessing groove are communicated with the through hole.
3. a kind of motor case according to claim 1, it is characterised in that the casing ontology inner circumferential wall is prolonged inwardly
It stretches to form inner convex platform, stator is fixed with casing ontology, so that axial face is in contact with inner convex platform rear end face on front side of stator.
4. a kind of motor case according to claim 1 or 3, it is characterised in that be on rear side of the casing ontology inner circumferential wall
By the rear pyramidal structure reduced recently to open front.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721542049.5U CN207382098U (en) | 2017-11-17 | 2017-11-17 | A kind of motor case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721542049.5U CN207382098U (en) | 2017-11-17 | 2017-11-17 | A kind of motor case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207382098U true CN207382098U (en) | 2018-05-18 |
Family
ID=62333286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721542049.5U Active CN207382098U (en) | 2017-11-17 | 2017-11-17 | A kind of motor case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207382098U (en) |
-
2017
- 2017-11-17 CN CN201721542049.5U patent/CN207382098U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |