CN205335996U - Stator with metal support framework - Google Patents
Stator with metal support framework Download PDFInfo
- Publication number
- CN205335996U CN205335996U CN201521049069.XU CN201521049069U CN205335996U CN 205335996 U CN205335996 U CN 205335996U CN 201521049069 U CN201521049069 U CN 201521049069U CN 205335996 U CN205335996 U CN 205335996U
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- CN
- China
- Prior art keywords
- accommodating section
- section
- metal support
- bearing
- magnet steel
- 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
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- Manufacture Of Motors, Generators (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a stator with metal support framework, including casing and metal support framework, metal support framework includes the magnet steel section of holding, the first bearing section of holding and the second bearing section of holding, and it has the magnet steel to inlay on the magnet steel section of the holding outer wall, and the first bearing section of holding internal fixation has the fore bearing, and the second bearing section of holding internal fixation has the rear bearing, the front end of casing the footpath upwards inside the extension be provided with a plurality of and first constant head tank matched with location section, the free end tip of location section is provided with and extends the section with second constant head tank matched with, shells inner wall is last still to be provided with to overlap and to locate the support ring in the second bearing section of holding, the utility model discloses a metal support framework replacement injection moulding's bearing housing makes the axiality of fore bearing and rear bearing higher, and micromotor work is more stable, vibrate little, small in noise, the fault rate is hanged down.
Description
Technical field
This utility model relates to micro machine, particularly relates to the stator of motor。
Background technology
Micro machine is the vitals in Minitype transmission field。Micro machine mainly includes stator and rotor。Stator includes former and later two bearings。When stator being manufactured and assembling, it is necessary to ensure the coaxial of former and later two bearings。
The existing stator being provided with metal support frame, its bearing holder (housing, cover) adopts injection mo(u)lding, is then arranged in bearing holder (housing, cover) by former and later two bearings。The bearing holder (housing, cover) of injection mo(u)lding is difficult to ensure that the installation site of former and later two bearings is strictly coaxial, thus causing micro machine job insecurity, vibration is big, and noise is big, and fault rate is high。
Utility model content
Namely the purpose of this utility model is in that to overcome the deficiencies in the prior art, it is provided that a kind of stator being provided with metal support frame。
The purpose of this utility model is achieved through the following technical solutions:
It is provided with the stator of metal support frame, arranges and integrated metal support frame including housing and hollow；
Metal support frame includes magnet steel accommodating section, be positioned at magnet steel accommodating section front end and the clutch shaft bearing accommodating section that is coaxially disposed with magnet steel accommodating section and be positioned at magnet steel accommodating section rear end and the second bearing accommodating section being coaxially disposed with magnet steel accommodating section, magnet steel accommodating section outer wall is inlaid with magnet steel, it is fixed with fore bearing in clutch shaft bearing accommodating section, it is fixed with rear bearing in second bearing accommodating section, the outer wall of clutch shaft bearing accommodating section is provided with thread segment and is positioned at the fastening section of thread segment rear end；
Also include the fastening assembly being sheathed on clutch shaft bearing accommodating section outer wall, fastening assembly includes the fixing lid with thread segment threaded engagement and the injection moulding ring with fastening section male-female engagement, being provided with multiple indent on the front end face of injection moulding ring in first locating slot of this end face and circular array, the first locating slot is provided with the hollow depth the second locating slot more than the first locating slot in that one end near axle center；
The front end of housing extends internally diametrically and is provided with multiple positioning section matched with the first locating slot, the free end end of positioning section is provided with the extension matched with the second locating slot, and inner walls is additionally provided with the pushing out ring being sheathed in the second bearing accommodating section。
In this utility model, owing to metal support frame is prone to processing, and the course of processing is capable of the accurate control of axiality to clutch shaft bearing accommodating section, the second bearing accommodating section and magnet steel accommodating section, thus during assembling, it is capable of the precisely coaxial of fore bearing and rear bearing。Relative to traditional stator, this utility model adopts metal support frame to replace the bearing holder (housing, cover) of injection mo(u)lding, and the axiality making fore bearing and rear bearing is higher, and micro machine work is more stable, vibrates little, and noise is little, failure rate is low。
Injection moulding ring and a pushing out ring are used for fixing housing, housing so both can have been avoided to affect the stability that stator runs, also can reduce the difficulty of processing of stator。When assembling, first fixing lid and thread segment are separated, the section of will extend over correspondingly is inserted in the second locating slot again, positioning section is correspondingly positioned over the first locating slot place, ensure that positioning section does not externally protrude out in the front end face of injection moulding ring as far as possible, finally by the threaded engagement between fixing lid and thread segment, the rear end face of fixing lid is pressed in the front end face of injection moulding ring, such that what can complete between housing with metal support frame fixing is connected。
For realizing the fixing connection between clutch shaft bearing accommodating section of the injection moulding ring, further, described fastening section is provided with multiple indent in the fixing groove of described clutch shaft bearing accommodating section outer ring surface, the inwall of described injection moulding ring is provided with the fixed lobe matched with fixing groove。Fixing groove is set, injection moulding ring can be made to be partially submerged in forming process in fixing groove, make more firm being fixed in clutch shaft bearing accommodating section of injection moulding ring。
Further, the outer wall of described second bearing accommodating section is axially provided with the positioning convex strip of multiple evagination, the inwall of described pushing out ring is provided with the 3rd locating slot that can match with positioning convex strip。Owing to inserting in the assembling process of the second locating slot in the section of will extend over, housing can entirety move axially, thus, prop up a pushing out ring and also need to move axially in the second bearing accommodating section。And by the cooperation between positioning convex strip and the 3rd locating slot, pushing out ring moving axially in the second bearing accommodating section can be realized, housing also can be avoided to rotate in moving process。
For improving the compactness contacted between fixing cover back-end face with injection moulding ring front end face, further, the rear end face of described fixing lid is provided with cushion lamella。
For structure optimization, further, the external diameter of described clutch shaft bearing accommodating section and described second bearing accommodating section is all higher than the external diameter of described magnet steel accommodating section。
In sum, advantage of the present utility model and having the beneficial effects that:
1., relative to traditional stator, this utility model adopts metal support frame to replace the bearing holder (housing, cover) of injection mo(u)lding, and the axiality making fore bearing and rear bearing is higher, and micro machine work is more stable, vibrates little, and noise is little, failure rate is low。
2. this utility model adopts injection moulding ring and a pushing out ring to be used for fixing housing, housing so both can have been avoided to affect the stability that stator runs, also can reduce the difficulty of processing of stator。
3. fixing groove is set, injection moulding ring can be made to be partially submerged in forming process in fixing groove, make more firm being fixed in clutch shaft bearing accommodating section of injection moulding ring。
4., owing to inserting in the assembling process of the second locating slot in the section of will extend over, housing can entirety move axially, thus, prop up a pushing out ring and also need to move axially in the second bearing accommodating section。And by the cooperation between positioning convex strip and the 3rd locating slot, pushing out ring moving axially in the second bearing accommodating section can be realized, housing also can be avoided to rotate in moving process。
Accompanying drawing explanation
In order to be illustrated more clearly that embodiment of the present utility model, the accompanying drawing used required for describing in this utility model embodiment will be briefly described below。It will be apparent that the accompanying drawing in the following describes is only some embodiments recorded in this utility model, for a person skilled in the art, when not paying creative work, it is also possible to according to figure below, obtain other accompanying drawing。
Fig. 1 is the structural representation of one specific embodiment of stator being provided with metal support frame described in the utility model；
Fig. 2 is the structural representation of one specific embodiment of metal support frame in the stator being provided with metal support frame described in the utility model；
Fig. 3 is the structural representation of one specific embodiment of positioning section in the stator being provided with metal support frame described in the utility model。
Wherein, the parts title that accompanying drawing labelling is corresponding is as follows: 1, housing, and 11, positioning section, 12, extension, 2, magnet steel, 3, fore bearing, 4, rear bearing, 5, injection moulding ring, the 51, first locating slot, 52, the second locating slot, 53, fixed lobe, 6, metal support frame, 61, clutch shaft bearing accommodating section, 62, the second bearing accommodating section, 63, magnet steel accommodating section, 64, fixing groove, 65, thread segment, 66, fastening section, 67, positioning convex strip, 7, fixing lid, 71, cushion lamella, 8, pushing out ring is propped up, the 81, the 3rd locating slot。
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only used for explaining this utility model, are not intended as restriction of the present utility model。
Embodiment 1
As shown in Figure 1 to Figure 3, it is provided with the stator of metal support frame, arranges and integrated metal support frame 6 including housing 1 and hollow；
Metal support frame 6 includes magnet steel accommodating section 63, be positioned at magnet steel accommodating section 63 front end and the clutch shaft bearing accommodating section 61 that is coaxially disposed with magnet steel accommodating section 63 and be positioned at magnet steel accommodating section 63 rear end and the second bearing accommodating section 62 being coaxially disposed with magnet steel accommodating section 63, magnet steel accommodating section 63 outer wall is inlaid with magnet steel 2, fore bearing 3 it is fixed with in clutch shaft bearing accommodating section 61, it is fixed with rear bearing 4 in second bearing accommodating section 62, the outer wall of clutch shaft bearing accommodating section 61 is provided with thread segment 65 and is positioned at the fastening section 66 of thread segment 65 rear end；
Also include the fastening assembly being sheathed on clutch shaft bearing accommodating section 61 outer wall, fastening assembly includes the fixing lid 7 with thread segment 65 threaded engagement and the injection moulding ring 5 with fastening section 66 male-female engagement, being provided with multiple indent on the front end face of injection moulding ring 5 in first locating slot 51 of this end face and circular array, the first locating slot 51 is provided with the hollow depth the second locating slot 52 more than the first locating slot 51 in that one end near axle center；
The front end of housing 1 extends internally diametrically and is provided with multiple positioning section 11 matched with the first locating slot 51, the free end end of positioning section 11 is provided with the extension 12 matched with the second locating slot 52, and housing 1 inwall is additionally provided with the pushing out ring 8 being sheathed in the second bearing accommodating section 62。
In the present embodiment, owing to metal support frame 6 is prone to processing, and the course of processing is capable of the accurate control of axiality to clutch shaft bearing accommodating section the 61, second bearing accommodating section 62 and magnet steel accommodating section 63, thus during assembling, it is capable of the precisely coaxial of fore bearing 3 and rear bearing 4。Relative to traditional stator, the present embodiment adopts metal support frame 6 to replace the bearing holder (housing, cover) of injection mo(u)lding, and the axiality making fore bearing 3 and rear bearing 4 is higher, and micro machine work is more stable, vibrates little, and noise is little, failure rate is low。
Injection moulding ring 5 and a pushing out ring 8 are used for fixing housing 1, housing 1 so both can have been avoided to affect the stability that stator runs, also can reduce the difficulty of processing of stator。When assembling, first fixing lid 7 is separated with thread segment 65, the section of will extend over 12 is correspondingly inserted in the second locating slot 52 again, positioning section 11 is correspondingly positioned over the first locating slot 51 place, ensure that positioning section 11 does not externally protrude out in the front end face of injection moulding ring 5 as far as possible, finally by the threaded engagement between fixing lid 7 and thread segment 65, the rear end face of fixing lid 7 is pressed in the front end face of injection moulding ring 5, such that what can complete between housing 1 with metal support frame 6 fixing is connected。
For realizing the injection moulding ring 5 fixing connection between clutch shaft bearing accommodating section 61, preferably, described fastening section 66 is provided with multiple indent in the fixing groove 64 of described clutch shaft bearing accommodating section 61 outer ring surface, the inwall of described injection moulding ring 5 is provided with the fixed lobe 53 matched with fixing groove 64。Fixing groove 64 is set, injection moulding ring 5 can be made to be partially submerged in forming process in fixing groove 64, make more firm being fixed in clutch shaft bearing accommodating section 61 of injection moulding ring 5。
Preferably, the outer wall of described second bearing accommodating section 62 is axially provided with the positioning convex strip 67 of multiple evagination, the inwall of described pushing out ring 8 is provided with the 3rd locating slot 81 that can match with positioning convex strip 67。Owing to inserting in the assembling process of the second locating slot 52 in the section of will extend over 12, housing 1 can entirety move axially, thus, prop up a pushing out ring 8 and also need to move axially in the second bearing accommodating section 62。And by the cooperation between positioning convex strip 67 and the 3rd locating slot 81, pushing out ring 8 moving axially in the second bearing accommodating section 62 can be realized, housing 1 also can be avoided to rotate in moving process。
For improving the compactness contacted between fixing lid 7 rear end faces and injection moulding ring 5 front end face, it is preferable that the rear end face of described fixing lid 7 is provided with cushion lamella 71。
For structure optimization, it is preferable that the external diameter of described clutch shaft bearing accommodating section 61 and described second bearing accommodating section 62 is all higher than the external diameter of described magnet steel accommodating section 63。
Above content is further description this utility model made in conjunction with concrete preferred implementation, it is impossible to assert that detailed description of the invention of the present utility model is confined to these explanations。For this utility model person of an ordinary skill in the technical field, without departing from other embodiments drawn under the technical solution of the utility model, should be included in protection domain of the present utility model。
Claims (5)
1. it is provided with the stator of metal support frame, it is characterised in that: include housing (1) and hollow is arranged and integrated metal support frame (6)；
Metal support frame (6) includes magnet steel accommodating section (63), it is positioned at magnet steel accommodating section (63) front end and the clutch shaft bearing accommodating section (61) being coaxially disposed with magnet steel accommodating section (63) and is positioned at magnet steel accommodating section (63) rear end and the second bearing accommodating section (62) being coaxially disposed with magnet steel accommodating section (63), magnet steel accommodating section (63) outer wall is inlaid with magnet steel (2), fore bearing (3) it is fixed with in clutch shaft bearing accommodating section (61), it is fixed with rear bearing (4) in second bearing accommodating section (62), the outer wall of clutch shaft bearing accommodating section (61) is provided with thread segment (65) and is positioned at the fastening section (66) of thread segment (65) rear end；
Also include the fastening assembly being sheathed on clutch shaft bearing accommodating section (61) outer wall, fastening assembly includes the fixing lid (7) with thread segment (65) threaded engagement and the injection moulding ring (5) with fastening section (66) male-female engagement, being provided with multiple indent on the front end face of injection moulding ring (5) in first locating slot (51) of this end face and circular array, the first locating slot (51) is provided with the hollow depth the second locating slot (52) more than the first locating slot (51) in that one end near axle center；
The front end of housing (1) extends internally diametrically and is provided with multiple positioning section (11) matched with the first locating slot (51), the free end end of positioning section (11) is provided with the extension (12) matched with the second locating slot (52), and housing (1) inwall is additionally provided with the pushing out ring (8) being sheathed in the second bearing accommodating section (62)。
2. the stator being provided with metal support frame according to claim 1, it is characterized in that: described fastening section (66) is provided with multiple indent in the fixing groove (64) of described clutch shaft bearing accommodating section (61) outer ring surface, the inwall of described injection moulding ring (5) is provided with the fixed lobe (53) matched with fixing groove (64)。
3. the stator being provided with metal support frame according to claim 1, it is characterized in that: the outer wall of described second bearing accommodating section (62) is axially provided with the positioning convex strip (67) of multiple evagination, the inwall of described pushing out ring (8) is provided with the 3rd locating slot (81) that can match with positioning convex strip (67)。
4. the stator being provided with metal support frame according to any one in claim 1 ~ 3, it is characterised in that: the rear end face of described fixing lid (7) is provided with cushion lamella (71)。
5. the stator being provided with metal support frame according to claim 4, it is characterised in that: the external diameter of described clutch shaft bearing accommodating section (61) and described second bearing accommodating section (62) is all higher than the external diameter of described magnet steel accommodating section (63)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521049069.XU CN205335996U (en) | 2015-12-15 | 2015-12-15 | Stator with metal support framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521049069.XU CN205335996U (en) | 2015-12-15 | 2015-12-15 | Stator with metal support framework |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205335996U true CN205335996U (en) | 2016-06-22 |
Family
ID=56207933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521049069.XU Expired - Fee Related CN205335996U (en) | 2015-12-15 | 2015-12-15 | Stator with metal support framework |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205335996U (en) |
-
2015
- 2015-12-15 CN CN201521049069.XU patent/CN205335996U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20161215 |