CN203516152U - Motor fan - Google Patents
Motor fan Download PDFInfo
- Publication number
- CN203516152U CN203516152U CN201320609039.4U CN201320609039U CN203516152U CN 203516152 U CN203516152 U CN 203516152U CN 201320609039 U CN201320609039 U CN 201320609039U CN 203516152 U CN203516152 U CN 203516152U
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- fan
- disc
- code
- motor
- latch
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Abstract
The utility model relates to a motor fan which comprises a fan body. The fan body comprises a fan hub and blades arranged on the fan hub. The motor fan further comprises a code wheel, the code wheel is fixedly arranged on the inner side face of the fan hub, and the code wheel and the fan body are assembled into an integrated structure. The code wheel is of a toothed annular structure with the space occupied by equal parts, and teeth of the code wheel are evenly formed on the circumference of the end face of the code wheel in the axial direction in a stretching mode. The code wheel and a sensor are matched and used and can provide rotating speed signals to the motor. The motor fan is simple and reasonable in structural design, has the functions of a centrifugal fan, also has the function of providing the rotating speed signals though the fact that the code wheel is used for being matched with the sensor, and is compact in whole structural design, reliable in assembling and connection and suitable for popularization and application.
Description
Technical field
The utility model relates to technical field of motors, relates in particular to a kind of motor ventilating fan.
Background technique
Motor ventilating fan is structure very common in motor, it is mainly used in carrying out efficiently radiates heat to on-stream motor, therefore, the quality of motor ventilating fan design, will directly affect stability and the Security of motor operation, how to design a kind of simple in structure, cost is low, good heat dissipation effect, radiating efficiency is high, the important topic that be used in conjunction with safety with motor, stablize, motor ventilating fan is this technical field technician research always reliably.
Given this, in Chinese patent 200820229555.3, mention a kind of structure of motor ventilating fan, it comprises blade and blade retainer ring, coupling hole on blade retainer ring is set on machine shaft, blade is fixed on blade retainer ring on one side, and the another side of the corresponding blade retainer ring of its Leaf is provided with a circle baffle plate, and the another side of blade is fixed on baffle plate, the outward edge of baffle plate is more than or equal to the outward edge of blade, and the radial width of baffle plate does not affect motor ventilating fan exhaust.Although the motor ventilating fan of this model utility can reach certain radiating effect, its radiating efficiency is relatively low, only possesses heat sinking function and is used in conjunction with motor, moves also reliable and stable not.
In another Chinese patent 200920027904.8, mention a kind of motor ventilating fan, its special way is motor ventilating fan top to be made as closed end face, on end face, having the screw that attachment hole establishes with machine shaft end is communicated with, between motor ventilating fan and machine shaft, by screw, by attachment hole, be fixedly connected with, realize machine shaft and connect with the sealing of motor ventilating fan, the centre of screw and screw is provided with packing ring and seals fixing.This utility model motor ventilating fan, although simple in structure, can play certain waterproofing effect, radiating effect is general, radiating efficiency is relatively low, and itself and motor are used in conjunction with that operation is reliable and stable not and noise is larger.
In sum, be necessary prior art further perfect.
Summary of the invention
The utility model is can be single in order to solve existing motor ventilating fan, be used in conjunction with reliable and stable not with motor, problems such as radiating efficiency is low, radiating effect is general and to propose a kind of structural design simple, rationally, while being used in conjunction with motor, running is stable, reliable, good heat dissipation effect, the motor ventilating fan that efficiency is high.
The utility model is achieved through the following technical solutions:
Above-mentioned motor ventilating fan, comprises fan body; Described fan body comprises fan hub and is located at the blade on described fan hub; Described motor ventilating fan also comprises code-disc; Described code-disc is fixedly arranged on the inner side surface of described fan hub, is assembled into integrative-structure with described fan body; Described code-disc is the tooth ring structure of several equal portions duties, and its tooth is that the end face circumference along described code-disc axially evenly extends to form; Described code-disc and sensor are adaptive to be used, and can be motor tach signal is provided.
Described motor ventilating fan, wherein: described code-disc is inlayed or imbedded the inner side surface that forms in described fan body, it is made by permeability magnetic material and an end face convexes with a plurality of the first rectangular latches along even circumferential, and relative other end is along circumferential outer a plurality of the second latches that are bar shaped that evenly protrude out; Described the second latch is compared the first latch, and width is narrower, and length is longer; The circumferential surface of the described code-disc between described the first latch and the second latch also evenly has a plurality of circular holes.
Described motor ventilating fan, wherein: described fan hub is roughly disc-shaped structure, it is evenly provided with a plurality of elongated hole clippings along circumferential edges one side; Described code-disc is embedded in the inner side surface of described fan hub by described the first latch and coordinating of described hole clipping, and makes the end of described the first latch and the outer side surface of described fan hub keep concordant.
Described motor ventilating fan, wherein: inner side surface edge one side of described fan hub is along the circumferential outer strengthening rib of structure ringwise that evenly convexes with.
Beneficial effect:
The utility model motor fan structure simplicity of design, reasonable, wherein, by a side installing code-disc of the fan hub at fan body, this code-disc is fixedly arranged on the inner side surface of fan hub, is assembled into integrative-structure with fan body; This code-disc is the tooth ring structure of several equal portions duties, and its tooth is that the end face circumference along code-disc axially evenly extends to form, and uses with sensor is adaptive, can be motor tach signal is provided; The motor ventilating fan of this structural design not only has the function of centrifugal fan, also can utilize being used in conjunction with of code-disc and sensor, come jointly for motor provides tach signal, can improve the balance reliability of motor operation, whole motor fan structure is not only easy to assembly, compact, and use time running stable, reliable together with motor, good heat dissipation effect, efficiency is high and noise is little, is suitable for propagation and employment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model motor ventilating fan;
Fig. 2 is the decomposition texture schematic diagram of the utility model motor ventilating fan.
Embodiment
As shown in Figure 1, 2, the utility model motor ventilating fan, comprises fan body 1 and code-disc 2.
Fan body 1 is made by plastics or other non-magnet material, comprises fan hub 11 and blade 12; This fan hub 11 is roughly disc-shaped structure, it is provided with a plurality of elongated hole clippings 111 along circumferential edges one side, middle part is provided with the shaft coupling portion 112 that is hub-like, inner side surface is along the circumferential outer strengthening rib 113 that evenly convexes with, the loop configuration that this strengthening rib 113 is integrated, for improving the mechanical strength of fan body 1, prevent distortion; These shaft coupling portion 112 middle parts are provided with the coupling hole 114 that connects machine shaft for mating, circumferential surface along coupling hole 114 1 sides is evenly provided with a plurality of fan-shaped pylones 115, the madial wall of this coupling hole 114 is also relatively set with one group cell body 116 is installed, and this installation cell body 116 is for extending axially the semienclosed slot body structure of formation to the inner along the outer end of coupling hole 114; Wherein, the inside and outside two end axles of this shaft coupling portion 112 is to protruding out outside the inside and outside bi-side of fan hub 11 respectively; The end protruding out to fan hub 11 inner side surfaces in this shaft coupling portion 112, be that inner end outer circumferential face is also evenly provided with a plurality of stiffening ribs 117, this stiffening rib 117 is that the inner side surface along the inner end outer circumferential face of this shaft coupling portion 112 to fan hub 11 is the right-angled triangle block structure that tilts to extend to form.Blade 12 is along the angled even setting of fan hub 11 outer side surface circumference, and it is curved surface shape sheet body structure.
Code-disc 2 is to be made by permeability magnetic material (as soft iron material etc.), and its general shape is the tooth ring structure of number equal portions duties, and tooth is that the end face circumference along code-disc 2 axially evenly extends to form; This code-disc 2 is inlayed or is imbedded the inner side surface that forms in fan body 1, is assembled into integrative-structure with fan body 1; This code-disc 2 can be used with sensor is adaptive, for motor provides tach signal, one end convexes with a plurality of the first latches 21 that are long rectangle along even circumferential, relative other end is along circumferential outer a plurality of the second latches 22 that are bar shaped that evenly protrude out, wherein, this first latch 21 is that hole clipping 111 on the fan hub 11 with fan body 1 matches; Code-disc 2 circumferential surfacies between the first latch 21 and the second latch 22 are also evenly provided with a plurality of circular holes 23, code-disc 2 is embedded in by the first latch 21 and coordinating of hole clipping 111 on the inner side surface of fan hub 11 of fan body 1, in the time of can making code-disc 2 be inlaid into fan body 1 molding and forming by circular hole 23, encapsulate is more firm, guarantees that code-disc 2 can not come off in fan body 1.The mould that in the present embodiment, this code-disc 2 is put into fan body 1 after carrying out is injection molded fan body 1 part again, makes code-disc 2 become an integral body by encapsulate and fan body 1.
The utility model structural design is simple, reasonable, and it not only has the function of centrifugal fan, also can utilize the adaptive sensor of code-disc, and the function of tach signal is provided, and total is compact to design, assembly connection is reliable, is suitable for propagation and employment.
Claims (4)
1. a motor ventilating fan, comprises fan body; Described fan body comprises fan hub and is located at the blade on described fan hub; It is characterized in that: described motor ventilating fan also comprises code-disc;
Described code-disc is fixedly arranged on the inner side surface of described fan hub, is assembled into integrative-structure with described fan body;
Described code-disc is the tooth ring structure of several equal portions duties, and its tooth is that the end face circumference along described code-disc axially evenly extends to form;
Described code-disc and sensor are adaptive to be used, and can be motor tach signal is provided.
2. motor ventilating fan as claimed in claim 1, it is characterized in that: described code-disc is inlayed or imbedded the inner side surface that forms in described fan body, it is made by permeability magnetic material and an end face convexes with a plurality of the first rectangular latches along even circumferential, and relative other end is along circumferential outer a plurality of the second latches that are bar shaped that evenly protrude out; Described the second latch is compared the first latch, and width is narrower, and length is longer;
The circumferential surface of the described code-disc between described the first latch and the second latch also evenly has a plurality of circular holes.
3. motor ventilating fan as claimed in claim 2, is characterized in that: described fan hub is roughly disc-shaped structure, and it is evenly provided with a plurality of elongated hole clippings along circumferential edges one side;
Described code-disc is embedded in the inner side surface of described fan hub by described the first latch and coordinating of described hole clipping, and makes the end of described the first latch and the outer side surface of described fan hub keep concordant.
4. motor ventilating fan as claimed in claim 3, is characterized in that: inner side surface edge one side of described fan hub is along the circumferential outer strengthening rib of structure ringwise that evenly convexes with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320609039.4U CN203516152U (en) | 2013-09-30 | 2013-09-30 | Motor fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320609039.4U CN203516152U (en) | 2013-09-30 | 2013-09-30 | Motor fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203516152U true CN203516152U (en) | 2014-04-02 |
Family
ID=50375088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320609039.4U Expired - Fee Related CN203516152U (en) | 2013-09-30 | 2013-09-30 | Motor fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203516152U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586509A (en) * | 2021-07-13 | 2021-11-02 | 江苏嘉之瑞电子科技有限公司 | Fan frame bridge type buckle and punching rubber coating frame |
-
2013
- 2013-09-30 CN CN201320609039.4U patent/CN203516152U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586509A (en) * | 2021-07-13 | 2021-11-02 | 江苏嘉之瑞电子科技有限公司 | Fan frame bridge type buckle and punching rubber coating frame |
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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: 20140402 Termination date: 20200930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |