CN203722355U - Motor for draught fan - Google Patents
Motor for draught fan Download PDFInfo
- Publication number
- CN203722355U CN203722355U CN201420107247.9U CN201420107247U CN203722355U CN 203722355 U CN203722355 U CN 203722355U CN 201420107247 U CN201420107247 U CN 201420107247U CN 203722355 U CN203722355 U CN 203722355U
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- CN
- China
- Prior art keywords
- back cover
- fore shell
- electric machine
- motor
- iron core
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- Expired - Fee Related
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Abstract
A motor for a draught fan is provided. The motor comprises a stator assembly and a rotor assembly which are arranged in a front shell and a rear shell. The front shell, the rear shell and the stator assembly are fixedly connected with one another through bolts. Supporting pins are mounted between the front shell and the rear shell. Each mounting pin comprises a mounting flat stage and a supporting portion which is vertically arranged on the mounting flat stage; mounting hole positions are formed in the mounting flat stages; the supporting portions extend upwards; fixation hole positions are formed in the supporting portions; the bolt pass through the fixation hole positions; and therefore, the supporting portions can be fixed on the front shell, the rear shell and the stator assembly. According to the motor for the draught fan of the utility model, when being assembled on the motor, the supporting pins are fixed, and therefore, assembly procedures can be simplified, and the deformation of the front shell and the rear shell, which is caused by welding the supporting pins, can be avoided, and the stability of the motor can be improved, and work efficiency improvement and cost reduction can be facilitated; the front shell, the stator and the rear shell are fixedly connected with one another directly through the bolts, and therefore, installation can be facilitated, and the concentricity of motor assemblies can be improved; and the iron core of the stator assembly is exposed outside, and therefore, the heat dissipation effect of the stator assembly can be effectively enhanced, and reduction of motor winding temperature rise and improvement of the power of the motor can be facilitated.
Description
Technical field
The utility model relates to a kind of electric machine for fan, the motor that particularly a kind of high-power type blower fan is used.
Background technology
In prior art, the stator of motor, is all mounted in the inside of shell.As Chinese patent literature CN201884331U discloses a kind of built-in fixation disc type electric fan shell on June 29th, 2011, it comprises front shroud, back cover and fixed disk, this front shroud is fastened on this back cover, this fixed disk is plugged between this front shroud and this back cover, this front shroud comprises panel, cover wall and grafting wall, wherein, this panel is fixedly connected on one end of this cover wall, and this grafting wall is connected to other one end of this cover wall with respect to this panel, this panel surrounding offers some louvres, the central position of this panel offers motor output shaft perforation, by this cover wall around form a motor cavity, by this grafting wall around form a grafting chamber, this fixed disk comprises disk body and splicing ring wall, wherein, this splicing ring wall is fixedly connected on this disk body, on this disk body, be provided with some fixing holes, set bolt is screwed in this fixing hole, the front end of this splicing ring wall of this fixed disk is plugged in this grafting chamber of this front shroud, the rear end of this splicing ring wall of this fixed disk is plugged in this back cover.
Motor in the course of the work, its temperature rise maximum be the iron core part of stator, but because iron core is covered by shell, cause its heat radiation slower, and in prior art, between stator and shell, there is no detent mechanism limits, after long-term use, stator may be subjected to displacement phenomenon, has certain potential safety hazard, and feet is generally fixed into one by welding and electric machine casing, when welding, operation is many, and easily cause electric machine casing to deform, the skew of motor concentricity, thus affect its result of use.Therefore, require further improvement.
Utility model content
The purpose of this utility model aims to provide a kind of reasonable in design, simple in structure, rapid heat dissipation, the electric machine for fan that easy to assembly, cost is low, effect is good.
By a kind of electric machine for fan of this object design, comprise the stator module and the rotor assembly that are arranged in fore shell and back cover, fore shell, back cover and stator module are bolted to connection, between fore shell, back cover, also connect feet, its architectural feature is that described installation foot comprises mounting platform and vertical support portion thereon; Mounting platform is provided with mounting hole site; Upwards extend support portion, and be provided with fixed hole position, and bolt is fixed on support portion on fore shell, back cover or stator module through fixed hole position.
Totally four of described feets, are separately positioned on the left and right sides of fore shell, the left and right sides of back cover, and the support portion of described feet is provided with upper and lower two fixed hole positions or a fixed hole position is only set in its underpart.
The shape of the corresponding fore shell in described support portion or back cover is provided with empty avoiding recess.
Totally two of described feets, are separately positioned on the left and right sides of fore shell and back cover, and described mounting platform is provided with former and later two support portions.
Between described mounting platform and support portion, be provided with reinforcement; Described mounting platform has groove, and is provided with quakeproof rubber pad.
The edge of opening of described fore shell and back cover is respectively equipped with flange; The iron core of described stator module has connecting hole, and on the flange of fore shell and back cover, correspondence is provided with installing hole, and described bolt passes connecting hole and installing hole, and fore shell, iron core and back cover are fixedly connected with; The sidewall of described iron core is outside exposed.
The sidewall of described stator module iron core is at least provided with a detent, and the flange correspondence of fore shell and back cover is provided with positioning convex portion and detent is located by connecting.
Described installing hole is provided with towards a side of iron core the stopper protrusion being connected with connecting hole.
Described back cover rear side is also provided with capacitance cover, between capacitance cover 6 and back cover 3 points of attachment, is provided with location notch.
The outer surface of described electric machine for fan is provided with waterproof insulating layer.
The utility model, by the improvement of such scheme, has following effect:
Feet is in motor assembling, simultaneously fixing by bolt, simplifies assembly process, makes forward and backward shell avoid welding feet and the metaboly that causes, improves motor stabilizing performance, and contributes to reduce costs; Fore shell, stator and back cover are directly fixedly connected with by bolt, be convenient to install the concentricity that simultaneously improves electric machine assembly, the iron core of stator module is outside exposed, has effectively strengthened the radiating effect of stator module, the power that can contribute to reduce motor winding temperature rise and improve motor.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram of the utility model the first embodiment.
Fig. 2 is the decomposition texture schematic diagram of the utility model the second embodiment
Fig. 3 is the decomposition texture schematic diagram of the utility model the 3rd embodiment.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
The first embodiment
Referring to Fig. 1, this electric machine for fan, comprise the stator module 1 and the rotor assembly 5 that are arranged in fore shell 2 and back cover 3, fore shell 2, back cover 3 and stator module 1 are fixedly connected with by bolt 9, between fore shell 2, back cover 3, also connect feet 4, installation foot 4 comprises mounting platform 4.1 and vertical support portion 4.2 thereon; Mounting platform 4.1 is provided with mounting hole site; Upwards extend support portion 4.2, and be provided with fixed hole position, and bolt 9 is fixed on support portion 4.2 on fore shell 2, back cover 3 or stator module 1 through fixed hole position.Assembling between feet 4 and forward and backward shell is easier, and the mounting hole site of mounting platform 4.1 and mounting panel 10 are connected by screw and can fix, and meets smart, accurate, fast object, improves efficiency of assembling.
Further, totally four of feets 4, are separately positioned on the left and right sides of fore shell 2, the left and right sides of back cover 3.The support portion 4.2 of feet 4 is provided with upper and lower two fixed hole positions, feet 4 is had enough spacing, avoids it to occur loosening.
Further, the shape of the corresponding fore shell 2 in support portion 4.2 or back cover 3 is provided with empty avoiding recess 4.3, is convenient to their assembling.
Further, be provided with reinforcement (not marking in figure) between mounting platform 4.1 and support portion 4.2, reinforcement can increase the intensity of feet, makes it to meet instructions for use.Mounting platform 4.1 has groove, and is provided with quakeproof rubber pad.
Further, the edge of opening of fore shell 2 and back cover 3 is respectively equipped with flange (unlabelled in figure); The iron core of stator module 1 has connecting hole (unlabelled in figure), and on the flange of fore shell 2 and back cover 3, correspondence is provided with installing hole (unlabelled in figure), and bolt 9 passes connecting hole and installing hole, and fore shell 2, iron core and back cover 3 are fixedly connected with; The sidewall of iron core is outside exposed.The design of fore shell 2 and back cover 3 flange, can effectively strengthen both mechanical strength, prevents from producing because of External Force Acting distortion, improves durability; Due to exposing of iron core, make its heat radiation faster, because temperature rise is lower, relatively low to the requirement of enamelled wire, therefore can further strengthen the power of motor, improve performance, when meeting instructions for use, reduce production costs.
Further, the sidewall of stator module 1 iron core is at least provided with a detent 1.1, and the flange correspondence of fore shell 2 and back cover 3 is provided with positioning convex portion 8 and is located by connecting with detent 1.1.
Further, installing hole is provided with the stopper protrusion 7 being connected with connecting hole towards a side of iron core.This design, after fore shell 2, back cover 3 are fixed with the iron core of stator module 1 respectively, can, for operation vibration produces displacement, even not send abnormal sound, can install by fast accurate simultaneously, has also improved the concentricity of electric machine assembly when increasing work efficiency.
Further, back cover 3 rear sides are also provided with capacitance cover 6, between capacitance cover 6 and back cover 3 points of attachment, be provided with location notch (not marking in figure), before both, can take aforesaid groove locate mode assembling, be that capacitance cover 6 correspondences are provided with spacing recess and spacing connection of location notch (not marking in figure), reach equally smart, accurate, fast object, improve efficiency of assembling.
Further, the outer surface of electric machine for fan is provided with waterproof insulating layer, and waterproof insulating layer forms by the form of spraying paint, and spreadability is good, and can effectively reach the object of waterproof insulation, meets the exposed instructions for use of iron core.
The second embodiment
Referring to Fig. 2, this electric machine for fan, the main distinction of itself and the first embodiment is that the support portion 4.2 of feet 4 is provided with a fixed hole position is only set in its underpart, the preferred last technical scheme of the present embodiment, feet 4 is had enough spacing, avoid it to occur loosening, now, the upwardly extending length in support portion 4.2 can be slightly short, meets it fixed hole position is set.
Other do not state part, with the first embodiment, no longer repeat.
The 3rd embodiment
Referring to Fig. 3, this electric machine for fan, the main distinction of itself and the first embodiment is totally two of feets 4, is separately positioned on the left and right sides of fore shell 2 and back cover 3, mounting platform 4.1 is provided with former and later two support portions 4.2.
Other do not state part, with the first embodiment, no longer repeat.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can also have various modifications and variations.All any simple, amendments of being equal to of making at the utility model, replacement, improvement etc., all should be included in protection range of the present utility model and so on.
Claims (10)
1. an electric machine for fan, comprise the stator module (1) and the rotor assembly (5) that are arranged in fore shell (2) and back cover (3), fore shell (2), back cover (3) and stator module (1) are fixedly connected with by bolt (9), between fore shell (2), back cover (3), also connect feet (4), it is characterized in that described installation foot (4) comprises mounting platform (4.1) and vertical support portion (4.2) thereon; Mounting platform (4.1) is provided with mounting hole site; Upwards extend support portion (4.2), and being provided with fixed hole position, bolt (9) is fixed on support portion (4.2) on fore shell (2), back cover (3) or stator module (1) through fixed hole position.
2. electric machine for fan according to claim 1, it is characterized in that: totally four of described feets (4), be separately positioned on the left and right sides of fore shell (2), the left and right sides of back cover (3), the support portion (4.2) of described feet (4) is provided with upper and lower two fixed hole positions or a fixed hole position is only set in its underpart.
3. electric machine for fan according to claim 2, is characterized in that: the shape of the corresponding fore shell in described support portion (4.2) (2) or back cover (3) is provided with empty avoiding recess (4.3).
4. electric machine for fan according to claim 1, it is characterized in that: totally two of described feets (4), the left and right sides that is separately positioned on fore shell (2) and back cover (3), described mounting platform (4.1) is provided with former and later two support portions (4.2).
5. electric machine for fan according to claim 1, is characterized in that: between described mounting platform (4.1) and support portion (4.2), be provided with reinforcement; Described mounting platform (4.1) has groove, and is provided with quakeproof rubber pad.
6. electric machine for fan according to claim 1, is characterized in that: the edge of opening of described fore shell (2) and back cover (3) is respectively equipped with flange; The iron core of described stator module (1) has connecting hole, on the flange of fore shell (2) and back cover (3), correspondence is provided with installing hole, described bolt (9) passes connecting hole and installing hole, and fore shell (2), iron core and back cover (3) are fixedly connected with; The sidewall of described iron core is outside exposed.
7. electric machine for fan according to claim 6, it is characterized in that: the sidewall of described stator module (1) iron core is provided with a detent (1.1), the flange correspondence of fore shell (2) and back cover (3) is provided with positioning convex portion (8) and is located by connecting with detent (1.1).
8. electric machine for fan according to claim 6, is characterized in that: described installing hole is provided with the qualifying bit protuberance (7) being connected with connecting hole towards a side of iron core.
9. electric machine for fan according to claim 1, is characterized in that: described back cover (3) rear side is also provided with capacitance cover (6), between capacitance cover (6) and back cover (3) point of attachment, is provided with location notch.
10. according to the electric machine for fan described in claim 1-9 any one, it is characterized in that: the outer surface of described electric machine for fan is provided with waterproof insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420107247.9U CN203722355U (en) | 2014-03-06 | 2014-03-06 | Motor for draught fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420107247.9U CN203722355U (en) | 2014-03-06 | 2014-03-06 | Motor for draught fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203722355U true CN203722355U (en) | 2014-07-16 |
Family
ID=51161479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420107247.9U Expired - Fee Related CN203722355U (en) | 2014-03-06 | 2014-03-06 | Motor for draught fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203722355U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134912A (en) * | 2016-02-26 | 2017-09-05 | 三菱电机株式会社 | The manufacture method of current control device and current control device |
| US20170302119A1 (en) * | 2014-12-29 | 2017-10-19 | New Motech Co., Ltd. | Stator of motor having coil protection cover for washing machine |
-
2014
- 2014-03-06 CN CN201420107247.9U patent/CN203722355U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170302119A1 (en) * | 2014-12-29 | 2017-10-19 | New Motech Co., Ltd. | Stator of motor having coil protection cover for washing machine |
| US10381891B2 (en) * | 2014-12-29 | 2019-08-13 | New Motech Co., Ltd. | Stator of motor having coil protection cover for washing machine |
| CN107134912A (en) * | 2016-02-26 | 2017-09-05 | 三菱电机株式会社 | The manufacture method of current control device and current control device |
| CN107134912B (en) * | 2016-02-26 | 2019-06-14 | 三菱电机株式会社 | The manufacturing method of current control device and current control device |
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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: 20140716 Termination date: 20190306 |