CN206280276U - Hand-held air-blast device - Google Patents
Hand-held air-blast device Download PDFInfo
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- CN206280276U CN206280276U CN201621294961.9U CN201621294961U CN206280276U CN 206280276 U CN206280276 U CN 206280276U CN 201621294961 U CN201621294961 U CN 201621294961U CN 206280276 U CN206280276 U CN 206280276U
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Abstract
The utility model is related to a kind of hand-held air-blast device, including：Housing, with main body and wind channel tube；Axial-flow type blasting unit, is arranged in the main body, with least two groups flabellums being coaxially disposed and drives the motor that the flabellum rotates, and it is different that the rotation external diameter of at least one of group of flabellum, the rotary inside diameter of flabellum or the quantity of blade organize flabellums with other；The wind channel tube is arranged at one end of the axial-flow type blasting unit, for being oriented to the air-flow that the axial-flow type blasting unit is formed.It is different that rotation external diameter, the rotary inside diameter of flabellum or the quantity of blade of at least one of group of flabellum of the multigroup flabellum of utilization of above-mentioned hand-held air-blast device organize flabellums with other, so, the rotation of other group of flabellum can reduce the stop of the air-flow produced by the flabellum, and then increase the air-out efficiency of the hand-held air-blast device.
Description
Technical field
The utility model is related to field of power tools, more particularly to a kind of hand-held air-blast device.
Background technology
Dust suction air blower has vacuum cleaning operational mode and an air blast operational mode, and generally includes to have and be connected to leaf
The motor of the output shaft of wheel.Impeller be arranged in spirality or scroll housing and be configured to pass through when motor driven impeller into
Opening's edge its rotary shaft suction air and air is discharged from exit tangent.In air blast operational mode, will be clean from air
Air axially in suction scroll housing, and be vented directly to jet for condensed air and by air, blast pipe connection
In outlet.In vacuum cleaned model, normally, waste is inhaled into through entrance by vacuum cleaning pipe mostly, and air penetrates into
Container is directly directly connected in outlet from scroll housing, and waste is crushed in order to impeller.
Traditional air blower has one or more groups of flabellums, when the air blower with multigroup flabellum works, multigroup fan
Leaf works simultaneously, because every group of structure of flabellum, quantity are consistent, so, the air-flow produced by flabellum will be caused to receive one
Fixed stop, and then influence the air-out efficiency of air blower.
Utility model content
Based on this, it is necessary to for above-mentioned due to every group of quantity of flabellum, the structure one of the air blower with multigroup flabellum
A kind of low problem of air-out efficiency caused by causing, there is provided hand-held air-blast device for improving air-out efficiency.
A kind of hand-held air-blast device, including：
Housing, with main body and wind channel tube；
Axial-flow type blasting unit, is arranged in the main body, with least two groups flabellums being coaxially disposed and drives the fan
The motor that leaf is rotated, at least one of group of the rotation external diameter of flabellum, the rotary inside diameter of flabellum or the quantity of blade and other group fans
Leaf is different；
The wind channel tube is arranged at one end of the axial-flow type blasting unit, for being oriented to the axial-flow type blasting unit institute
The air-flow of formation.
The rotation external diameter of at least one of group of flabellum of the multigroup flabellum of utilization of above-mentioned hand-held air-blast device, the rotation of flabellum
The quantity for turning internal diameter or blade is different from other group flabellums, and so, the rotation of other group of flabellum can be reduced produced by the flabellum
The stop of air-flow, and then increase the air-out efficiency of the hand-held air-blast device.
Wherein in an implementation method, the rotation external diameter of at least one of group of flabellum organizes the rotation external diameter of flabellums with other
Difference 1mm-20mm.
Wherein in an implementation method, at least one of group of rotary inside diameter of flabellum organizes the rotary inside diameter of flabellums with other
The difference of ratio is 0.01-0.2.
Wherein in an implementation method, at least one of group of blade quantity of flabellum organizes the blade quantity of flabellums with other
Difference 1-9.
Wherein in an implementation method, the hand-held air-blast device also includes：
Stator blade, is arranged at the air side of every group of flabellum, is used to be oriented to the air-flow that the flabellum is produced.
Wherein in an implementation method, the number of blade of at least one of group of blade quantity of stator blade and other stator blades
Amount difference 1-9.
Wherein in an implementation method, the flabellum is two groups.
Wherein in an implementation method, the wind channel tube is integrally formed by the housing.
Wherein in an implementation method, the wind channel tube has an air inlet and the air-out relative with the air inlet
Mouthful, the size of the air inlet is identical with the air outlet.
Wherein in an implementation method, the wind channel tube is in cylinder.
Brief description of the drawings
Fig. 1 is the structural representation of the hand-held air-blast device of the preferred embodiment of the utility model first；
Fig. 2 is the structural representation of the hand-held air-blast device of the preferred embodiment of the utility model second.
Wherein：The main body of 100. hand-held air-blast device 111.
The blasting unit of 112. handle 120.
The motor of 121 flabellum 122.
The wind channel tube of 123. flow deflector 130.
The air outlet of 131. air inlet 132.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model, is not used to limit the utility model.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with technology of the present utility model is belonged to
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all of combination of one or more related Listed Items.
Fig. 1 is refer to, the preferred embodiment of the utility model first discloses a kind of hand-held air-blast device 100, the hand
Holding formula air-blast device 100 includes housing, axial-flow type blasting unit 120 and wind channel tube 130.The housing includes main body 111 and sets
In the handle 112 of the side of main body 111, operator can operate the hand-held air-blast device 100 to carry out work by holding handle 112
Make.
The axial-flow type blasting unit 120 is arranged in aforementioned body 111, mainly for generation of can be filled to hand-held air blast
The air-flow put the suction in 100 outsides or blow, above-mentioned wind channel tube 130 is arranged on one end of above-mentioned axial-flow type blasting unit 120, for leading
To the air-flow that the axial-flow type blasting unit 120 is formed.
Specifically, above-mentioned axial-flow type blasting unit 120 has at least two groups flabellums 121, and drives what flabellum 121 was rotated
Motor 122, one end of motor 122 has a drive shaft, and flabellum 121 is coaxially connected in the drive shaft, when the motor 122 drives
During the drive shaft turns, and then make this two groups of flabellums 121 with drive shaft turns, produce air-flow.
It is different that rotation external diameter, the rotary inside diameter of flabellum or the quantity of blade of one of which flabellum 121 organize flabellums with other；
In the present embodiment, so that above-mentioned axial-flow type blasting unit 120 has two groups of flabellums 121 as an example, the rotation of one of flabellum 121
The quantity for turning warp or blade in the rotation of external diameter, flabellum is different from another set flabellum 121, in detail, above-mentioned two groups of flabellums
In 121, the rotation external diameter of one of which flabellum differs 1mm-20mm with the rotation external diameter of another set flabellum.Present embodiment
In, so that the rotation external diameter of one of which flabellum 121 differs 10mm with the rotation external diameter of another set flabellum as an example, for example, wherein
One group of rotation external diameter of flabellum 121 is 200mm, then the rotation external diameter of the flabellum 121 of another set is 210mm.
Or, the rotary inside diameter of one of which flabellum and the rotary inside diameter of another set flabellum than difference be 0.01-
0.2.In present embodiment, with the rotary inside diameter of one of which flabellum 121 and the difference of the ratio of the rotary inside diameter of another set flabellum
It is worth for as a example by 0.1, for example, the rotary inside diameter 10mm of the one of which flabellum 121, and the rotary inside diameter of another set flabellum 121
It is 11mm, its two groups of differences of flabellum 121 are 1mm, is 0.1 with the ratio of the flabellum of the 10mm.
Or, the blade quantity of one of which flabellum differs 1-9 with the blade quantity of another set flabellum.This embodiment party
In formula, differed as a example by 3 by the blade quantity of one of which flabellum 121 with the blade quantity of another set flabellum, for example, wherein
One group of blade quantity of flabellum 121 is 3, and the blade quantity of another set flabellum is 6.
Above-mentioned axial-flow type blasting unit 120 also includes multigroup stator blade 123, and the stator blade 123 can be arranged on all groups
The air outlet (as shown in Figure 1) of flabellum 121, may also be arranged on every group of one end of the air side of above-mentioned flabellum 121 (such as Fig. 2 institutes
Show), for being oriented to the air-flow that above-mentioned flabellum 121 is produced.In present embodiment, with every group of air-out of above-mentioned flabellum 121
One end of side is respectively provided with as a example by stator blade 123, the blade quantity of one of which stator blade 123 and the blade of another set stator blade
Quantity difference 1-9.With the blade quantity of one of which stator blade 123 3 are differed with the blade quantity of another set stator blade
As a example by, for example, the blade quantity of one of which flabellum 121 is 3, and the blade quantity of another set flabellum is 6.
So, above-mentioned wind channel tube 130 is arranged on the outlet air end of above-mentioned blasting unit 120, for the institute of blasting unit 120
The air-flow of generation is oriented to, in general, the wind channel tube 130 in cylinder, and with an air inlet 131 and with the air inlet
131 relative air outlets 132, the air inlet 131 is identical with the size of the air outlet 132.
Above-mentioned wind channel tube 130 can be cylinder, or can reach the other shapes of the utility model purpose, this practicality
It is new to be not limited thereto.
The structure of above-mentioned two groups of flabellums is differed, and then the air-flow produced by every group of generation flabellum 121 is avoided as far as possible
The stop of other flabellums, when motor 122 drives the flabellum 121 to rotate, will produce larger air-flow, and then make the hand-held
Air-blast device has preferable aspect of blowing efficiency.
The preferred embodiment of the utility model second discloses a kind of hand-held air-blast device 100, hand-held air blast dress
Putting 100 includes housing, axial-flow type blasting unit 120 and wind channel tube 130.The housing includes main body 111 and is arranged on main body 111 1
The handle 112 of side, operator can operate the hand-held air-blast device 100 to be operated by holding handle 112.
The axial-flow type blasting unit 120 is arranged in aforementioned body 111, mainly for generation of can be filled to hand-held air blast
The air-flow put the suction in 100 outsides or blow, above-mentioned wind channel tube 130 is arranged on one end of above-mentioned axial-flow type blasting unit 120, for leading
To the air-flow that the axial-flow type blasting unit 120 is formed.
Specifically, above-mentioned axial-flow type blasting unit 120 has at least one set of flabellum 121, and present embodiment is with two groups of flabellums
As a example by 121, and two groups of motors 122 of the rotation of flabellums 121 are driven, one end of motor 122 has a drive shaft, this two groups of fans
Leaf 121 be centrosymmetric respectively formula the drive shaft for being arranged on the motor 122 periphery, when the motor 122 drive the drive shaft
During rotation, this two groups of flabellums 121 with drive shaft turns, and then will produce air-flow.So, when motor 122 drives the flabellum 121
Rotation makes, and will produce larger air-flow, and then the hand-held air-blast device is had preferable aspect of blowing efficiency.
Above-mentioned wind channel tube 130 is arranged on the outlet air end of above-mentioned blasting unit 120, for produced by the blasting unit 120
Air-flow be oriented to, in general, the wind channel tube 130 in cylinder, and with an air inlet 131 and with the air inlet 131
Relative air outlet 132, the air inlet 131 is identical with the size of the air outlet 132.
Above-mentioned wind channel tube 130 can be cylinder, or can reach the other shapes of the utility model purpose, this practicality
It is new to be not limited thereto.
Above-mentioned axial-flow type blasting unit 120 also includes flow deflector 123, and the flow deflector 123 is arranged on going out for above-mentioned flabellum 121
One end of wind side, the quantity of the flow deflector 123 in present embodiment is two, and the two flow deflectors 123 are separately positioned on each
The air side of flabellum 121, for being oriented to the air-flow that above-mentioned flabellum 121 is produced.
Hand-held air-blast device 100 in present embodiment is integrally formed by wind channel tube 130 by above-mentioned housing, and then is made
The inner wall shape of wind channel tube 130 is avoided because of wind channel tube 130 because the error of inner wall shape causes close to default shape
The air-out efficiency step-down of hand-held air-blast device 100 is stated, while avoiding result in the problem of the obstruction of wind channel tube 130.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of hand-held air-blast device, it is characterised in that including：
Housing, with main body and wind channel tube；
Axial-flow type blasting unit, is arranged in the main body, with least two groups flabellums being coaxially disposed and drives the fan blade rotating
Dynamic motor, the rotation external diameter of wherein at least one of which flabellum, the rotary inside diameter of flabellum or the quantity of blade are fanned with other groups
Leaf is different；
The wind channel tube is arranged at one end of the axial-flow type blasting unit, is formed for being oriented to the axial-flow type blasting unit
Air-flow.
2. hand-held air-blast device according to claim 1, it is characterised in that at least one of group of rotation external diameter of flabellum
Rotation external diameter with other group flabellums differs 1mm-20mm.
3. hand-held air-blast device according to claim 1, it is characterised in that at least one of group of rotary inside diameter of flabellum
With other group flabellums rotary inside diameter than difference be 0.01-0.2.
4. hand-held air-blast device according to claim 1, it is characterised in that at least one of group of blade quantity of flabellum
Blade quantity with other group flabellums differs 1-9.
5. hand-held air-blast device according to claim 1, it is characterised in that the hand-held air-blast device also includes：
Stator blade, is arranged at the air side of flabellum described in every group, is used to be oriented to the air-flow that the flabellum is produced.
6. hand-held air-blast device according to claim 5, it is characterised in that at least one of group of number of blade of stator blade
Amount differs 1-9 with the blade quantity of other stator blades.
7. hand-held air-blast device according to claim 1, it is characterised in that the flabellum is two groups.
8. hand-held air-blast device according to claim 1, it is characterised in that the wind channel tube by housing one into
Type.
9. hand-held air-blast device according to claim 1, it is characterised in that the wind channel tube have an air inlet and with
The relative air outlet of the air inlet, the size of the air inlet is identical with the air outlet.
10. hand-held air-blast device according to claim 1, it is characterised in that the wind channel tube is in cylinder.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621294961.9U CN206280276U (en) | 2016-11-29 | 2016-11-29 | Hand-held air-blast device |
| PCT/CN2017/096853 WO2018028639A1 (en) | 2016-08-10 | 2017-08-10 | Garden blower |
| EP17838769.2A EP3498920A4 (en) | 2016-08-10 | 2017-08-10 | Garden blower |
| US16/270,372 US11346352B2 (en) | 2016-08-10 | 2019-02-07 | Garden blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621294961.9U CN206280276U (en) | 2016-11-29 | 2016-11-29 | Hand-held air-blast device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206280276U true CN206280276U (en) | 2017-06-27 |
Family
ID=59075146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621294961.9U Active CN206280276U (en) | 2016-08-10 | 2016-11-29 | Hand-held air-blast device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206280276U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018028639A1 (en) * | 2016-08-10 | 2018-02-15 | 苏州宝时得电动工具有限公司 | Garden blower |
| CN109944820A (en) * | 2019-04-26 | 2019-06-28 | 深圳市艾诺士科技有限公司 | Portable fan |
| CN111466820A (en) * | 2017-09-22 | 2020-07-31 | 尚科宁家运营有限公司 | Hand-held surface cleaning device |
-
2016
- 2016-11-29 CN CN201621294961.9U patent/CN206280276U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018028639A1 (en) * | 2016-08-10 | 2018-02-15 | 苏州宝时得电动工具有限公司 | Garden blower |
| US11346352B2 (en) | 2016-08-10 | 2022-05-31 | Positec Power Tools (Suzhou) Co., Ltd. | Garden blower |
| CN111466820A (en) * | 2017-09-22 | 2020-07-31 | 尚科宁家运营有限公司 | Hand-held surface cleaning device |
| CN109944820A (en) * | 2019-04-26 | 2019-06-28 | 深圳市艾诺士科技有限公司 | Portable fan |
| CN109944820B (en) * | 2019-04-26 | 2024-04-05 | 深圳市艾诺士科技有限公司 | Portable fan |
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| GR01 | Patent grant |