CN204942017U - A kind of brushless direct-current blower - Google Patents
A kind of brushless direct-current blower Download PDFInfo
- Publication number
- CN204942017U CN204942017U CN201520592313.0U CN201520592313U CN204942017U CN 204942017 U CN204942017 U CN 204942017U CN 201520592313 U CN201520592313 U CN 201520592313U CN 204942017 U CN204942017 U CN 204942017U
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- CN
- China
- Prior art keywords
- exhaust outlet
- shell
- brushless direct
- current blower
- lower cover
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Abstract
A kind of brushless direct-current blower, be provided with cavity in its shell, the upper-end surface of shell is provided with intake grill, and the side of shell is provided with exhaust outlet, and intake grill and exhaust outlet are all and cavity connects; Shell and lower cover removably link together, and flabellum and DC brushless motor all hold in the cavities, and flabellum has a trepanning, and flabellum is sleeved on outside DC brushless motor by trepanning; The top of trepanning is provided with an iron-clad, and iron-clad is provided with a Mandrel seat, and Mandrel seat is provided with an axle core, and middle pipe is riveted on the internal surface of lower cover, axle core need through one end be plugged in the inner ring of middle pipe, the other end of axle core is plugged in the inner ring of Mandrel seat; Be provided with a supercharging groove in exhaust outlet, exhaust outlet is divided into upper exhaust outlet and lower exhaust outlet by supercharging groove, like this, by the periodic duty of air pressure inside and the setting of supercharging groove to increase pressure, improves radiating effect; Air-out more uniform smooth during flabellum running, without the sensation of patting, and the sound of the wind noise of cutting air is low.
Description
Technical field
The utility model relates to a kind of brushless direct-current blower.
Background technique
Brushless DC blower is that the drive of external rotor permanent magnet brushless direct current motor is installed on the rotation of epitrochanterian flabellum, form the electronic product of directed air-out, because brushless DC blower had both possessed the series of advantages such as the structure of AC blower fan is simple, reliable, easy to maintenance, the operational efficiency possessing again DC fan is high, without the feature such as excitation loss and good speed adjustment features, therefore ventilation, field of radiating are widely used on an electronic device, but, there is following shortcoming in existing brushless direct-current blower: 1, air-out is even not, has the sensation of beating during human body sensory; 2, under same speed conditions, noise is higher; 3, insufficient strength, easily breaks.4: heat-resisting ability and radiating effect are all not ideal enough.
Model utility content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides the brushless direct-current blower that a kind of air-out is even, noise is low, intensity is high, heatproof coefficient is good and radiating effect is desirable.
The utility model is achieved in that a kind of brushless direct-current blower, comprises shell, DC brushless motor, flabellum and lower cover; Be provided with cavity in described shell, the upper-end surface of described shell is provided with intake grill, and the side of described shell is provided with exhaust outlet, described intake grill and described exhaust outlet all with described cavity connects; Described shell and described lower cover removably link together, and described flabellum and described DC brushless motor are all contained in described cavity, and described flabellum has a trepanning, and described flabellum is sleeved on outside described DC brushless motor by described trepanning; The top of described trepanning is provided with an iron-clad, described iron-clad is provided with a Mandrel seat, described Mandrel seat riveted joint is inner with iron-clad, grafting one axle core on described Mandrel seat, middle pipe is riveted on the internal surface of described lower cover, one end of described axle core is plugged in the inner ring of described middle pipe, in the inner ring of Mandrel seat described in the other end grafting of the axle core of described DC brushless motor; Be provided with a supercharging groove in described exhaust outlet, described exhaust outlet is divided into upper exhaust outlet and lower exhaust outlet by described supercharging groove.
Further, the outer side surface of described shell is provided with multiple first fixed installation hole, the outward edge of described lower cover be provided with to fixedly mount with described first that hole coordinates multiple second fixedly mount hole, by the cooperation in screw, the first fixed installation hole and the second fixed installation hole, described shell is fixedly connected with described lower cover.
Further, the outer side surface of described shell is provided with multiple the 3rd fixed installation hole for fixing described brushless direct-current blower.
Further, described first fixed installation hole and the second fixed installation hole are three.
Further, the bottom of described lower cover is provided with one for holding the receiving groove of the electric wire of described DC brushless motor.
Further, the outer surface of one end of described axle core and the inner ring of described middle pipe are fitted, and the outer surface of the other end of described axle core and the internal surface of described Mandrel seat are fitted.
Further, the material of described lower cover is cold-reduced sheet material.
Further, the material of described middle pipe is copper material.
Further, the material of described flabellum is fire prevention material.
Further, the material of described Mandrel seat is copper material, and the material of described axle core is steel matter.
The beneficial effects of the utility model are: the brushless direct-current blower that the utility model provides, cavity is provided with in its shell, the upper-end surface of shell is provided with intake grill, the side of shell is provided with exhaust outlet, intake grill and exhaust outlet are all and cavity connects, a supercharging groove is provided with in exhaust outlet, exhaust outlet is divided into upper exhaust outlet and lower exhaust outlet by supercharging groove, like this, by the periodic duty of air pressure inside and the setting of supercharging groove to increase pressure, improve radiating effect, air-out more uniform smooth during flabellum running, without the sensation of patting, and the sound of the wind noise low (same to speed conditions) of cutting air.
In addition, the material of core seat is copper material, processes through highi degree of accuracy, takes riveting process between this Mandrel seat and iron-clad, and concentricity is more accurate, and heat-conducting effect is better, and intensity is high, not yielding.
In addition, the material of axle core is steel matter, processes, smooth surface through highi degree of accuracy, and this axle core and Mandrel seat adopt grafting technique, and its degree of deformation is little, and concentricity is more accurate, and fan operation is more steady.
In addition, the material of middle pipe is copper material, and adopt between pipe and lower cover in this and rivet advanced technology, this technique has the advantage of yielding and not good heat-conducting effect.
In addition, the material of lower cover is for use cold-reduced sheet material, and this lower cover has that intensity is high, high temperature resistant, heat-conducting effect outstanding feature.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical solution of the utility model, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the overall structure schematic diagram of the brushless direct-current blower that the utility model one embodiment provides.
Fig. 2 is the overall structure schematic diagram of another angle of the brushless direct-current blower that the utility model one embodiment provides.
Fig. 3 is the structural representation of its shell of brushless direct-current blower that the utility model one embodiment provides.
Fig. 4 is the structural representation of its lower cover of brushless direct-current blower that the utility model one embodiment provides.
Fig. 5 is the structural representation of its flabellum of brushless direct-current blower that the utility model one embodiment provides.
Fig. 6 is the structural representation of another angle of its flabellum of brushless direct-current blower that the utility model one embodiment provides.
Embodiment
The technical problem solved to make the utility model, technological scheme and beneficial effect are clearly understood, below in conjunction with drawings and Examples, are further elaborated to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figures 1 to 6, a kind of brushless direct-current blower that the utility model embodiment provides, comprises shell 1, DC brushless motor (not indicating in figure), flabellum 2, middle pipe 3 and lower cover 4; Be provided with cavity 11 in shell 1, the upper-end surface of shell 1 is provided with intake grill 12, and the side of shell 1 is provided with exhaust outlet 13, and intake grill 12 is all communicated with cavity 11 with exhaust outlet 13; Shell 1 and lower cover 4 removably link together, and flabellum 2 and DC brushless motor are all contained in cavity 11, and flabellum 2 has a trepanning 21, and flabellum 2 is sleeved on outside DC brushless motor by trepanning 21; The top of trepanning 21 is provided with an iron-clad 22, iron-clad 22 is provided with a Mandrel seat 23, and Mandrel seat 23 is provided with an axle core 24, and middle pipe 3 is riveted on the internal surface of lower cover 4, one end of axle core 24 is plugged in the inner ring of middle pipe 3, in the inner ring of the other end grafting Mandrel seat 22 of axle core 24; A supercharging groove 14 is provided with in exhaust outlet 13, exhaust outlet 13 is divided into upper exhaust outlet 131 and lower exhaust outlet 131 by supercharging groove 14, like this, the object increasing pressure is reached by the supercharging groove 14 arranged in the periodic duty of air pressure inside and exhaust outlet 13, thus raising radiating effect, air-out more uniform smooth during flabellum running, without the sensation of patting, and the sound of the wind noise of cutting air is lower, reaches the effect of low noise.
Further, the outer side surface of shell 1 is provided with multiple first fixed installation hole 15, the outward edge of lower cover 4 be provided with to fixedly mount with first that hole 15 coordinates multiple second fixedly mount hole 41, by screw, the first fixed installation hole 15 and the second cooperation fixedly mounting hole 41, shell 1 is fixedly connected with lower cover 4, wherein, the first fixed installation hole 15 and the second fixed installation hole 41 are preferably three.
Further, the outer side surface of shell 1 is provided with multiple the 3rd fixed installation hole 16 for fixing brushless direct-current blower.
Further, the bottom of lower cover 4 is provided with one for holding the receiving groove 42 of the power line of DC brushless motor.
Further, the outer surface of one end of axle core 24 and the inner ring of middle pipe 3 are fitted, and the outer surface of the other end of axle core 24 and the internal surface of Mandrel seat 23 are fitted.
Preferably, the material of flabellum 2 is fire prevention material, and this flabellum 2 has environmental protection, frpf effect.
Preferably, the material of middle pipe 3 is copper material, and adopt fourth of the twelve Earthly Branches axle advanced technology between pipe and panel in this, in this, pipe has the advantage of yielding and not good heat-conducting effect.
Preferably, the material of lower cover 4 is cold-reduced sheet material, and this lower cover has that intensity is high, high temperature resistant, radiating effect outstanding feature.
Preferably, the material of Mandrel seat 23 is copper material, and the material of axle core 24 is steel matter.
The beneficial effects of the utility model are: the brushless DC blower that the utility model provides, cavity 11 is provided with in its shell 1, the upper-end surface of shell 1 is provided with intake grill 12, the side of shell 1 is provided with exhaust outlet 13, intake grill 12 is all communicated with cavity 11 with exhaust outlet 13, a supercharging groove 14 is provided with in exhaust outlet 13, exhaust outlet 13 is divided into upper exhaust outlet 131 and lower exhaust outlet 132 by supercharging groove 14, like this, by the periodic duty of air pressure inside and the setting of supercharging groove 14 to increase pressure, improve radiating effect, air-out when flabellum 2 operates more uniform smooth, without the sensation of patting, and the sound of the wind noise low (same to speed conditions) of cutting air.
In addition, the material of core seat 23 is copper material, processes through highi degree of accuracy, takes riveting process between this Mandrel seat 24 and iron-clad, and concentricity is more accurate, and heat-conducting effect is better, and intensity is high, not yielding.
In addition, the material of axle core 24 is steel matter, processes, smooth surface through highi degree of accuracy, and this axle core 24 adopts grafting technique with Mandrel seat 23, and its degree of deformation is little, and concentricity is more accurate, and blower runs more steady.
In addition, the material of middle pipe 3 is copper material, and adopt fourth of the twelve Earthly Branches axle advanced technology between pipe 3 and lower cover 4 in this, this technique has the advantage of yielding and not good heat-conducting effect.
In addition, the material of lower cover 4, for use cold-reduced sheet material, has that intensity is high, high temperature resistant, heat-conducting effect outstanding feature.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a brushless direct-current blower, is characterized in that, comprises shell, DC brushless motor, flabellum and lower cover;
Be provided with cavity in described shell, the upper-end surface of described shell is provided with intake grill, and the side of described shell is provided with exhaust outlet, described intake grill and described exhaust outlet all with described cavity connects;
Described shell and described lower cover removably link together, and described flabellum and described DC brushless motor are all contained in described cavity, and described flabellum has a trepanning, and described flabellum is sleeved on outside described DC brushless motor by described trepanning;
The top of described trepanning is provided with an iron-clad, described iron-clad is provided with a Mandrel seat, and described Mandrel seat is provided with an axle core, and middle pipe is riveted on the internal surface of described lower cover, one end of described axle core is plugged in the inner ring of described middle pipe, in the inner ring of Mandrel seat described in the other end grafting of described axle core;
Be provided with a supercharging groove in described exhaust outlet, described exhaust outlet is divided into upper exhaust outlet and lower exhaust outlet by described supercharging groove.
2. brushless direct-current blower according to claim 1, it is characterized in that, the outer side surface of described shell is provided with multiple first fixed installation hole, the outward edge of described lower cover be provided with to fixedly mount with described first that hole coordinates multiple second fixedly mount hole, by the cooperation in screw, the first fixed installation hole and the second fixed installation hole, described shell is fixedly connected with described lower cover.
3. brushless direct-current blower according to claim 1, is characterized in that, the outer side surface of described shell is provided with multiple the 3rd fixed installation hole for fixing described brushless direct-current blower.
4. brushless direct-current blower according to claim 2, is characterized in that, described first fixed installation hole and the second fixed installation hole are three.
5. brushless direct-current blower according to claim 1, is characterized in that, the bottom of described lower cover is provided with one for holding the receiving groove of the power line of described DC brushless motor.
6. brushless direct-current blower according to claim 1, is characterized in that, the outer surface of one end of described axle core and the inner ring of described middle pipe are fitted, and the outer surface of the other end of described axle core and the internal surface of described Mandrel seat are fitted.
7. brushless direct-current blower according to claim 1, is characterized in that, the material of described lower cover is cold-reduced sheet material.
8. brushless direct-current blower according to claim 1, is characterized in that, the material of described middle pipe is copper material.
9. brushless direct-current blower according to claim 1, is characterized in that, the material of described flabellum is fire prevention material.
10. brushless direct-current blower according to claim 1, is characterized in that, the material of described Mandrel seat is copper material, and the material of described axle core is steel matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520592313.0U CN204942017U (en) | 2015-08-10 | 2015-08-10 | A kind of brushless direct-current blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520592313.0U CN204942017U (en) | 2015-08-10 | 2015-08-10 | A kind of brushless direct-current blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204942017U true CN204942017U (en) | 2016-01-06 |
Family
ID=55009454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520592313.0U Expired - Fee Related CN204942017U (en) | 2015-08-10 | 2015-08-10 | A kind of brushless direct-current blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204942017U (en) |
-
2015
- 2015-08-10 CN CN201520592313.0U patent/CN204942017U/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: 20160106 Termination date: 20200810 |