CN204126920U - Blower - Google Patents
Blower Download PDFInfo
- Publication number
- CN204126920U CN204126920U CN201420514849.6U CN201420514849U CN204126920U CN 204126920 U CN204126920 U CN 204126920U CN 201420514849 U CN201420514849 U CN 201420514849U CN 204126920 U CN204126920 U CN 204126920U
- Authority
- CN
- China
- Prior art keywords
- blower
- motor
- impeller
- guide sleeve
- air guide
- 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 - Lifetime
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- 230000000694 effects Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of blower, comprise: body, described body comprise motor, coated motor rear air guide sleeve and be installed on the impeller of motor, described motor is installed in rear air guide sleeve, the rotor of described motor extends in rear air guide sleeve, described impeller is installed on the rotor of motor, some rotation blades that described impeller comprises circular top part and extends to surrounding from circular top part, described rotation blade comprises the first edge of the air intake side being positioned at impeller and is positioned at second edge of air-out side of impeller, and described first edge is set to flexuose.Described impeller when rotated, when not affecting impeller operation effect, can reduce noise, improves the overall performance of blower.
Description
Technical field
The utility model relates to a kind of blower, particularly a kind of blower with impeller.
Background technique
In graden machine, the air stream that blower makes fan rotate by motor and produces, thus dust out or refuse are to clean.
Blower generally includes: body, the extension nozzle being coated on extra-organismal shell, being sheathed on body front end, body comprises motor, be coated on the electrical machinery cover outside motor and be installed on the impeller of motor, described blower produces air current flow mainly by wheel rotation, impeller mainly comprises the blade that main body and autonomous agent extend to surrounding, such as in a kind of blower of bulletin on March 26th, 2014, its impeller comprises circular top part and from the outward extending blade of circular top part, described blade is flat sheet-like.This impeller can produce larger noise when producing air-flow simultaneously, reduces the overall performance of blower.
Therefore, in view of above problem, be necessary to propose a kind of new blower, to reduce impeller noise.
Model utility content
Be to provide a kind of blower reducing noise order of the present utility model.
For realizing above-mentioned order ground, the utility model adopts following technological scheme: a kind of blower, comprise: body, described body comprises motor, the rear air guide sleeve of coated motor and be installed on the impeller of motor, described motor is installed in rear air guide sleeve, the rotor of described motor extends in rear air guide sleeve, described impeller is installed on the rotor of motor, some rotation blades that described impeller comprises circular top part and extends to surrounding from circular top part, described rotation blade comprises the first edge of the air intake side being positioned at impeller and is positioned at second edge of air-out side of impeller, described first edge is set to flexuose.
In a preferred embodiment, described rotation blade is arranged around described circular top part with equi-angularly space, and the rotor of described rotation blade and motor partly overlaps in the axial direction.
In a preferred embodiment, described blower comprises the former dome being installed on rear air guide sleeve front end, described former dome is provided with the flow deflecting cone of accommodating motor, described rear air guide sleeve is provided with the mounting cup of accommodating motor, described flow deflecting cone is corresponding with before and after mounting cup, and described motor is installed between flow deflecting cone and mounting cup.
In a preferred embodiment, the rotor of described motor extends in rear outer cover from mounting cup, and described impeller is installed on the rear of described mounting cup.
In a preferred embodiment, the size of described circular top part is identical with the size of described mounting cup.
In a preferred embodiment, some fixing columns that power supply frame is held are provided with in described flow deflecting cone.
In a preferred embodiment, described vane rotary drives described air-flow to flow from back to front.
In a preferred embodiment, described blower comprises the shell of coated body, described shell comprises the first installing space, be provided with the installing tache outwards protruded out outside the rear outer cover of described rear air guide sleeve, the installing tache of rear air guide sleeve is fixed in described first installing space and also extends forward described shell.
In a preferred embodiment, described blower is axial-flow blower.
Compared with prior art, the utility model has following beneficial effect: flexuose is arranged at the first edge that the impeller of blower is positioned at air intake, described impeller when rotated, when not affecting impeller effect, can noise be reduced, improve the overall performance of blower.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art 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 stereogram of the utility model blower.
Fig. 2 is another angle stereogram of the utility model blower.
Fig. 3 is the utility model blower portions three-dimensional exploded view.
Fig. 4 is the stereogram of the body of the utility model blower.
Fig. 5 is the three-dimensional exploded view of the body of the utility model blower.
Fig. 6 is the stereogram of the rear air guide sleeve of the utility model blower.
Fig. 7 is the stereogram of the impeller of the utility model blower.
Embodiment
As shown in Figures 1 to 7, the utility model is a kind of blower 100 of gardens, and it comprises: shell 1, the body 2 be installed in shell 1, control circuit board 3, battery component 4 and be installed on the extension nozzle 4 of body 2 front end.
Described shell 1 comprises main body portion 11, handle part 12, upper end air-inlet grille 13 and rear end air-inlet grille 14, 12, described handle is positioned at the top of main body portion 11, described upper end air-inlet grille 13 is installed on the upper end of main body portion 11 and is positioned at the front end of handle part 12, described rear end air-inlet grille 14 is installed on the rear end of described main body portion 11 and is positioned at the below of described handle part 12, described main body portion 11 is by a left side, right two-part fit together, described main body portion 11 comprises installs the first installing space 111 of described body 2 and the second installing space 112 for installing control circuit board 3, air intake space is provided with between described first installing space 111 and rear end air-inlet grille 14, described upper end air-inlet grille 13 is for being obliquely installed, described rear end air-inlet grille 14 is also for be obliquely installed and roughly parallel with upper end air-inlet grille 13, described first installing space 111 is positioned at the below of described main body portion 11 and runs through forward described main body portion 11, and described second installing space 112 is positioned at the top of described first installing space 111 and is positioned at the rear of described upper end air-inlet grille 13.
Described rear end air-inlet grille 14 from the top of rear end forward and downward-sloping, in the second installing space that described control circuit board 3 is installed on described main body portion 11 112.
Described body 2 is installed in the first installing space 111 of described main body portion 11, described body 2 comprises motor 21, former dome 22, rear air guide sleeve 23, impeller 24 and air outlet grate 25, described former dome 22 comprises the front outer cover 221 of cylinder type, conical flow guiding cone 222 in front outer cover 221 inside and the some front stator blade 223 before connecting between outer cover 221 and described flow deflecting cone 222, the rear end of described front outer cover 221 is concordant with the rear end of flow deflecting cone 222, the front end of described front outer cover 221 extends beyond described flow deflecting cone 222, rear end outside described front outer cover 221 is provided with the some latch part 224 outwards protruded out, described front stator blade 223 is in tilted layout relative to air path, before the utility model, stator blade 223 is set to 6, the thickness of the described front stator blade 223 near top is thick compared with stator blade 223 before other positions, this front stator blade 223 is provided with the hollow slot 2231 caved in from back to front, described hollow slot about 2231 extends through described front stator blade 223, described hollow slot 2231 connects outside flow deflecting cone 222 inside and former dome 22, the rear end of described motor 21 is installed in flow deflecting cone 222 from back to front, some fixing columns 2221 that power supply machine 21 frame is held are provided with in described flow deflecting cone 222, the power line of described motor 21 extends to outside by described hollow slot 2231, and be connected with control circuit board 3, described motor 21 is controlled by control wiring 3 plate, described flow deflecting cone 222 rear end surface be provided with some inside and outside run through " U " type fluting 2222, the shell of described motor 21 is exposed to outside from fluting 2222, described fluting 2222 and front stator blade 223 interval are arranged.
Described rear air guide sleeve 23 comprises the rear outer cover 231 of cylinder type, the mounting cup 232 for mounted motor 21 in rear outer cover 231 and the some rear stator blade 233 after connecting between outer cover 231 and mounting cup 232, described rear outer cover 231 is corresponding with front outer cover 221, described mounting cup 232 is corresponding with the rear end of flow deflecting cone 222, described rear stator blade 233 is with front stator blade 223 one_to_one corresponding and be set to 6, after institute, air guide sleeve 23 is installed on former dome 22 from back to front, described motor 21 is coated on inside by described flow deflecting cone 222 with described mounting cup 232, the rotor of described motor 2 from after extend described mounting cup 232, the snap close seat 234 corresponding with the latch part 224 of front outer cover 221 is provided with outside the rear outer cover 231 of described rear air guide sleeve 23, described former dome 22 and rear air guide sleeve 23 by screw described latch part 224 tightened together with described snap close 234 realize fixing, upper and lower end outside described rear outer cover 231 is provided with the installing tache 2311 protruded out, the rear end of described rear outer cover 231 is provided with a trumpet-shaped intake grill 2312, on the rotor that described impeller 24 is installed on described motor 21 and to be positioned at described rear outer cover 231 inner, described motor 21, impeller 24 and front, rear air guide sleeve 22, the center line of 23 is all located along the same line, some rotation blades 242 that described impeller 24 comprises circular top part 241 and extends to surrounding from circular top part 241, the size of described circular top part 242 is identical with the size of described mounting cup 232, setting like this, can prevent dust from entering the air that in motor 21, rectifiable simultaneously enters, described rotation blade 242 is arranged around described circular top part 241 with equi-angularly space, described rotation blade 242 partly overlaps in the axial direction with the rotor of motor 21, described rotation blade 242 comprises the first edge 2421 of the air intake side being positioned at impeller 24 and is positioned at second edge 2422 of air-out side of impeller 24, described first edge 2421 is set to flexuose.
Described motor 21 is positioned at the front of described impeller 24, when described motor 21 drives described impeller 24 to rotate, described impeller 24 enters with the intake grill 2312 of moving air flow from described rear air guide sleeve 23, flow out from described former dome 22, the air-flow that impeller 24 produces can through described motor 21, thus drive motor 21 is lowered the temperature.
Described extension nozzle 4 is installed on the front end outer side of the front outer cover 221 of described former dome 22, described air outlet grate 25 is installed on the inside front ends of the front outer cover 221 of described former dome 22, and described body 2 is fixed in the first installing space 111 of described main body portion 11 by the installing tache 2311 of rear air guide sleeve 23 and also extends forward described main body portion 11.
Flexuose is arranged at the first edge 2421 that the impeller 24 of blower 100 described in the utility model is positioned at air intake, and described impeller 24 when rotated, when not affecting impeller 24 effect, can reduce noise, improves the overall performance of blower 100.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a blower (100), comprise: body (2), described body (2) comprises motor (21), the rear air guide sleeve (23) of coated motor (21) and be installed on the impeller (24) of motor (21), it is characterized in that: described motor (21) is installed in rear air guide sleeve (23), the rotor of described motor (21) extends in rear air guide sleeve (23), described impeller (24) is installed on the rotor of motor (21), some rotation blades (242) that described impeller (24) comprises circular top part (241) and extends to surrounding from circular top part (241), described rotation blade (242) comprises first edge (2421) of the air intake side being positioned at impeller (24) and is positioned at second edge (2422) of air-out side of impeller (24), described first edge (2421) is set to flexuose.
2. blower as claimed in claim 1, it is characterized in that: described rotation blade (242) is arranged around described circular top part (241) with equi-angularly space, described rotation blade (242) partly overlaps in the axial direction with the rotor of motor (21).
3. blower as claimed in claim 1, it is characterized in that: described blower (100) comprises the former dome (22) being installed on rear air guide sleeve (23) front end, described former dome (22) is provided with the flow deflecting cone (222) of accommodating motor (21), described rear air guide sleeve (23) is provided with the mounting cup (232) of accommodating motor (21), described flow deflecting cone (222) is corresponding with before and after mounting cup (232), and described motor (21) is installed between flow deflecting cone (222) and mounting cup (232).
4. blower as claimed in claim 3, it is characterized in that: the rotor of described motor (21) extends in rear outer cover (231) from mounting cup (232), and described impeller (24) is installed on the rear of described mounting cup (232).
5. blower as claimed in claim 3, is characterized in that: the size of described circular top part (242) is identical with the size of described mounting cup (232).
6. blower as claimed in claim 3, is characterized in that: be provided with some fixing columns (2221) that power supply machine (21) frame is held in described flow deflecting cone (222).
7. blower as claimed in claim 1, is characterized in that: described impeller (24) rotarily drives air-flow and flows from back to front.
8. blower as claimed in claim 1, it is characterized in that: described blower (100) comprises the shell (1) of coated body (2), described shell (1) comprises the first installing space (111), rear outer cover (231) outside of described rear air guide sleeve (23) is provided with the installing tache (2311) outwards protruded out, and the installing tache (2311) of rear air guide sleeve (23) is fixed in described first installing space (111) and also extends forward described shell (1).
9. blower as claimed in any of claims 1 to 8 in one of claims, is characterized in that: described blower is axial-flow blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420514849.6U CN204126920U (en) | 2014-09-09 | 2014-09-09 | Blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420514849.6U CN204126920U (en) | 2014-09-09 | 2014-09-09 | Blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204126920U true CN204126920U (en) | 2015-01-28 |
Family
ID=52383279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420514849.6U Expired - Lifetime CN204126920U (en) | 2014-09-09 | 2014-09-09 | Blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204126920U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422507A (en) * | 2014-09-09 | 2016-03-23 | 苏州金莱克精密机械有限公司 | Blower |
| WO2021093527A1 (en) * | 2019-11-11 | 2021-05-20 | 苏州宝时得电动工具有限公司 | Air blower |
-
2014
- 2014-09-09 CN CN201420514849.6U patent/CN204126920U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422507A (en) * | 2014-09-09 | 2016-03-23 | 苏州金莱克精密机械有限公司 | Blower |
| WO2021093527A1 (en) * | 2019-11-11 | 2021-05-20 | 苏州宝时得电动工具有限公司 | Air blower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150128 |