CN201590702U - Motor structure of industrial fan - Google Patents
Motor structure of industrial fan Download PDFInfo
- Publication number
- CN201590702U CN201590702U CN2010201059495U CN201020105949U CN201590702U CN 201590702 U CN201590702 U CN 201590702U CN 2010201059495 U CN2010201059495 U CN 2010201059495U CN 201020105949 U CN201020105949 U CN 201020105949U CN 201590702 U CN201590702 U CN 201590702U
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- Prior art keywords
- stator
- casing
- housing
- mounting
- back cover
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- Expired - Fee Related
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Abstract
The utility model discloses a motor structure of an industrial fan, which comprises a casing and a rear hood fixed on the casing, wherein a stator, a rotor and a central shaft connected with fan blades are mounted in the casing; and the central shaft is supported on the casing through a bearing. The casing comprises a stator mounting casing with a bearing mounting hole and an end cover with a bearing mounting cavity; the stator mounting casing is a device which has one open end, and is semi-closed and formed by punching a metal plate; an inner cavity of the stator mounting casing is used for accommodating electrons and the rotor; and the end cover is mounted at the port of the stator mounting casing. The utility model avoids the defects that the traditional combined casing with two or three structures for mounting the stator has low precision during mounting and has the advantages of simple structure for products, low cost and convenient and firm mounting. The stator is accommodated in the stator mounting casing integrally, thereby reducing the vibration generated by a fan motor during running greatly, ensuring the integral rigidity and strength of the fan motor effectively and improving the service safety of fan products.
Description
Technical field
The utility model relates to a kind of motor of fan, is a kind of motor of industrial fan specifically.
Background technology
Traditional industrial fan, its motor housing and stator holder all are to adopt cast iron to process, and the weight of complete machine is big, and materials demand is more, and, the complicated trouble of manufacturing procedure, the processing cost height, precision is low, is difficult to satisfy requirements of mass production.For this reason, in the improvement technology, the electric machine casing mechanism that the metal plate punching moulding occurred, a kind of industrial fan is disclosed as Chinese patent ZL200420093711.X, the fan of this structure, the outer fore shell of motor, the stator that its motor housing is formed by metal plate punching is installed by fore shell and stator installation back cover is formed, and stator installation fore shell is arranged in the motor installation fore shell and with stator back cover is installed and is connected, and constitutes the space of a ccontaining motor stator and rotor.Yet, the described industrial fan of this patent, three motor housings that combine, complex structure, and also installation procedure is more, and processing cost is higher; And, when installing, three housings need ask higher precision, in case installation accuracy is not enough, occur easily getting loose, will produce vibrations during fan motor runs, and directly influence the integral rigidity and the intensity of fan electromotor, reduce the safety in utilization of fan product.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of simple in structure, cost is low and the electric machine structure of firm industrial fan easy for installation.
Goal of the invention of the present utility model is achieved in that a kind of electric machine structure of industrial fan, comprise shell and be fixed on back cover on the shell, stator is housed in the shell, rotor and the central shaft that is connected with flabellum, central shaft is by on the shell of bearings, it is characterized in that: described shell comprises that tape spool holds the stator installation housing of installing hole and the end cap that tape spool holds installation cavity, it is an end opening that stator is installed housing, be semiclosed shape and by the device of metal plate punching moulding, the inner chamber that stator is installed housing is the space of holding electronic and rotor, and end cap is installed in the port that stator is installed housing.The case design that will be used to install stator is whole stamping forming structure, and stator is easy for installation, the precision height.
In further the improving of technical scheme, the port that the described stator that is used for fixing back cover is installed housing is provided with flange, all has screw mounting hole on the flange and on the end cap, and end cap and flange fix by screw mounting hole, are convenient to the installation of end cap.
And, the external ring-type transitional crust that is provided with both ends open of described stator mounting shell, transitional crust is installed on the flange of housing at stator by the back cover roof pressure, effectively shortens the bulk strength of back cover, reduces the stretching depth of back cover, is convenient to the production and processing of back cover.
For technique scheme, one port of described transitional crust has with stator the recessed ledge frame that the flange of housing matches is installed, make flange be embedded in the recessed ledge frame, the other end of transitional crust is provided with back cover the epirelief step that port matches is installed, make back cover inlay and be installed on the epirelief step, finally be that end cap, transitional crust and back cover seamlessly transit, product is elegant in appearance.
The utility model improves the motor of the industrial fan of prior art, to be used to install the housing of stator to be semiclosed shape and the combination housing that housing replacement tradition is used for two or three structures of stator installation to be installed by the stator of metal plate punching moulding, when installing, stator only needs disposablely be installed to stator to stator and install in the containing cavity of housing and get final product, and, the low shortcoming of precision when the combination housing of avoiding tradition to be used for two or three structures of stator installation is installed, product structure is simple, cost is low and easy for installation firm, stator integral body is contained in stator and installs in the housing, the vibrations that produce when significantly reducing fan motor runs, effectively guarantee the integral rigidity and the intensity of fan electromotor, improve the safety in utilization of fan product.
Description of drawings
Accompanying drawing 1 is the structural representation of motor housing in the utility model most preferred embodiment.
Accompanying drawing 2 is the structural representation that the described stator of utility model is installed housing.
Accompanying drawing 3 is another visual angle structural representation that the described stator of utility model is installed housing.
Accompanying drawing 4 is the section of structure of the utility model transitional crust.
Accompanying drawing 5 is the STRUCTURE DECOMPOSITION figure of the utility model most preferred embodiment.
Accompanying drawing 6 is the aggregate erection state diagram of the utility model most preferred embodiment.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
Extremely shown in Figure 5 according to Fig. 1, the electric machine structure of the industrial fan of the utility model, this motor is fixed on the base support bar with a bolster usually.This electric machine structure comprises shell and is fixed on back cover 1 on the shell that back cover 1 is generally thin-walled metal plate punching molded part, and the rearward end of back cover 1 also has louvre.The central shaft 4 that stator 2, rotor 3 is housed in the shell and is connected with flabellum, central shaft 4 is by on the shell of bearings.The utility model improves the motor of existing industrial fan, its described shell comprises that tape spool holds the stator installation housing 5 of installing hole 51 and the end cap 6 that tape spool holds installation cavity 61, as shown in Figure 1, it is an end opening that stator is installed housing 5, be semiclosed shape and by the device of metal plate punching moulding, its bottom can offer louvre, as shown in Figures 2 and 3, the inner chamber that stator is installed housing 5 is the space of holding electronic and rotor 3, end cap 6 is installed in the port that stator is installed housing 5, and the gear box of control fan head swinging generally also is equipped with in the bottom of stator installation housing 5.In further the improving of technical scheme, the port that the described stator that is used for fixing back cover 1 is installed housing 5 is provided with flange 52, all have screw mounting hole 7 on the flange 52 and on the end cap 6, end cap 6 fixes by screw mounting hole 7 with flange 52, be convenient to the installation of end cap 6, generally speaking, also can there be corresponding installing hole to be used to install the guard of fan on the end cap 6.The manufacturing of product in, described stator is installed the housing 5 outer ring-type transitional crusts 8 that are provided with both ends open, and transitional crust 8 is installed on the flange 52 of housing 5 at stator by back cover 1 roof pressure, effectively shortens the entire length of back cover 1, reduce the stretching depth of back cover 1, be convenient to the production and processing of back cover 1.This transitional crust 8 can be the panel beating tensioning member, also can be the plastic cement moulding.For above-mentioned transitional crust 8, its port has with stator the recessed ledge frame 81 that the flange 52 of housing 5 matches is installed, make flange 52 be embedded in the recessed ledge frame 81, the other end of transitional crust 8 is provided with back cover 1 the epirelief step 82 that port matches is installed, make back cover 1 inlay and be installed on the epirelief step 82, as shown in Figure 5, finally be that end cap 6, transitional crust 8 and back cover 1 seamlessly transit, product is elegant in appearance.In addition, also have the axis hole 83 that is used to install back shaft on the wall body of transitional crust 8, and, when the wall body of transitional crust 8 is thicker, when wall also need be reserved end cap 6 and installs within it and the corresponding resigning hole 84 of respective screws position, as shown in Figure 4.
The electric machine structure of industrial fan of the present utility model, when installing, stator 2 only needs disposable interior the getting final product of containing cavity that stator 2 is installed to stator installation housing 5, and, the low shortcoming of precision when the combination housing of avoiding tradition to be used for two or three structures of stator 2 installations is installed, product structure is simple, cost is low and easy for installation firmly, stator 2 integral body are contained in stator and install in the housing 5, the vibrations that produce when significantly reducing fan motor runs, effectively guarantee the integral rigidity and the intensity of fan electromotor, improve the safety in utilization of fan product.
Claims (4)
1. the electric machine structure of an industrial fan, comprise shell and be fixed on back cover (1) on the shell, stator (2) is housed in the shell, rotor (3) and the central shaft (4) that is connected with flabellum, central shaft (4) is by on the shell of bearings, it is characterized in that: described shell comprises that stator that tape spool holds installing hole (51) is installed housing (5) and tape spool holds the end cap (6) of installation cavity (61), it is an end opening that stator is installed housing (5), be semiclosed shape and by the device of metal plate punching moulding, the inner chamber that stator is installed housing (5) is the space of holding electronic and rotor (3), and end cap (6) is installed in the port that stator is installed housing (5).
2. according to the electric machine structure of the described industrial fan of claim 1, it is characterized in that: the port that the described stator that is used for fixing back cover (1) is installed housing (5) is provided with flange (52), flange (52) is gone up to reach on the end cap (6) and is all had screw mounting hole (7), and end cap (6) fixes by screw mounting hole (7) with flange (52).
3. according to the electric machine structure of the described industrial fan of claim 2, it is characterized in that: described stator is installed the outer ring-type transitional crust (8) that is provided with both ends open of housing (5), and transitional crust (8) is installed on the flange (52) of housing (5) at stator by back cover (1) roof pressure.
4. according to the electric machine structure of the described industrial fan of claim 3, it is characterized in that: a port of described transitional crust (8) has with stator the recessed ledge frame (81) that the flange (52) of housing (5) matches is installed, make flange (52) be embedded in the recessed ledge frame (81), the other end of transitional crust (8) is provided with back cover (1) the epirelief step (82) that port matches is installed, and makes back cover (1) inlay and is installed on the epirelief step (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201059495U CN201590702U (en) | 2010-01-26 | 2010-01-26 | Motor structure of industrial fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201059495U CN201590702U (en) | 2010-01-26 | 2010-01-26 | Motor structure of industrial fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201590702U true CN201590702U (en) | 2010-09-22 |
Family
ID=42750496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201059495U Expired - Fee Related CN201590702U (en) | 2010-01-26 | 2010-01-26 | Motor structure of industrial fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201590702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340186A (en) * | 2018-12-13 | 2019-02-15 | 阜宁县元丰泵业有限公司 | A kind of blade water pump casing convenient for assembling |
-
2010
- 2010-01-26 CN CN2010201059495U patent/CN201590702U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340186A (en) * | 2018-12-13 | 2019-02-15 | 阜宁县元丰泵业有限公司 | A kind of blade water pump casing convenient for assembling |
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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: 20100922 Termination date: 20160126 |
|
| EXPY | Termination of patent right or utility model |