CN202789773U - Fan and spray nozzle applied in same - Google Patents
Fan and spray nozzle applied in same Download PDFInfo
- Publication number
- CN202789773U CN202789773U CN 201220436958 CN201220436958U CN202789773U CN 202789773 U CN202789773 U CN 202789773U CN 201220436958 CN201220436958 CN 201220436958 CN 201220436958 U CN201220436958 U CN 201220436958U CN 202789773 U CN202789773 U CN 202789773U
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- Prior art keywords
- fan
- axis
- nozzle
- opening
- guiding surface
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Abstract
The utility model relates to a fan, which comprises a spray nozzle and an element for generating airflow passing through the spray nozzle. The spray nozzle comprises an inner passageway, an exhaust port and a guide surface which is used for guiding the airflow. The spray nozzle extends around an axis to limit an opening, the guide surface is arranged in the downstream of the exhaust port and is adjacent to the exhaust port, an intersecting line formed by the guide surface and a plane passing through the axis is a straight line, and the intersection angle between the intersecting line and the axis equals to that between the outlet direction of the exhaust port and the axis in the extending part of the intersecting line. The utility model further provides the spray nozzle applied in the fan.
Description
Technical field
The nozzle that the utility model relates to a kind of fan and is used for fan.
Background technique
The Chinese patent application that on May 6th, 2009, publication number was CN 101424279A (application number: 200810177844.8) disclose a kind of fan, described fan comprises nozzle and for generation of the member of the air-flow by described nozzle, described nozzle comprises the inner passage, be used for reception from the relief opening of the air-flow of described inner passage and be close to the coanda surface that described relief opening is located, described relief opening is set to steering flow and flows through described coanda surface, described nozzle limits an opening, and the air of described fan outside is entrainmented by the air-flow of launching from relief opening by this opening.
The quick flow that this kind fan is launched from relief opening is close to surperficial the flowing of coanda of next-door neighbour's relief opening location, or directly be transmitted on the described coanda surface, violent rubbing action between the air-flow of its rapid movement and the described coanda surface not only causes the energy loss of the air-flow of launching, and produces larger noise.
Summary of the invention
First aspect of the present utility model is will provide-kind of fan, this kind fan, it is characterized in that, described fan comprises nozzle and for generation of the member of the air-flow by described nozzle, described nozzle comprises for the inner passage that receives air-flow, the guiding surface that is used for launching the relief opening of air-flow and is used for steering flow, described nozzle is around an Axis Extension, to limit an opening, air from the fan outside is entrainmented by described opening by the air-flow from described relief opening emission, described guiding surface is positioned at the downstream of described relief opening and is close to described relief opening setting, described guiding surface be straight line by the formed intersection in the plane of described axis, and the angle between described intersection and the described axis equals at the Way out of the relief opening of described intersection extended spot and the angle between the described axis.
Advantageously, described guiding surface guides its air-flow of launching along the Way out of relief opening, and the quick flow that its relief opening is launched and the rubbing action between the guiding surface significantly weaken, and energy loss and the noise of its generation also significantly reduce.
Angle between common described intersection and the described axis is between-25 ° to 25 °, preferably between-15 ° to 15 °; During taperedly near described axis, the angle between described intersection and the described axis is negative value to described guiding surface along described axial direction; Described guiding surface is along described axial direction during taperedly away from described axis, the angle between described intersection and the described axis be on the occasion of; When the angle between described intersection and the described axis is negative value, the air-flow that its fan is exported will than its angle be on the occasion of the time more concentrated and be delivered to farther distance; Otherwise, when the angle between described intersection and the described axis be on the occasion of the time, the distance that the air-flow that its fan is exported will more disperse, carries in the time of will being negative value than its angle is nearer.
Preferably, the angle between described intersection and the described axis is between-15 ° to 0 °.At this moment described guiding surface along described axial direction taperedly near described axis.
Preferably, the angle between described intersection and the described axis is between 0 ° to 15 °.At this moment described guiding surface along described axial direction taperedly away from described axis.
In a preferred embodiment, described guiding surface has part to be conically near described axis along described axial direction.
Described nozzle can also comprise the surface of opening of outwards opening, and the described surface of opening is positioned at described guiding surface downstream and is close to described guiding surface setting.
Preferably, described guiding surface in the length of described axial direction between the 5mm to 180mm, more preferably between 10mm to 150mm.
Preferably, described member for generation of the air-flow by described nozzle comprises impeller chimney, is positioned at the impeller of impeller chimney and the motor of drives impeller rotary work.
In a preferred embodiment, describedly be arranged in the pedestal for generation of the member by described nozzle air current, described nozzle is arranged on the pedestal; In another preferred embodiment, describedly be arranged in the described inner passage for generation of the member by described nozzle air current.
Described fan can be desk fan, can be wall fan, can be ceiling fan, can be flooring fan, can also be the fan of other type.
Second aspect of the present utility model is will provide-kind of nozzle, this kind is used for the nozzle of fan, it is characterized in that, described nozzle comprises for the inner passage that receives air-flow, the guiding surface that is used for launching the relief opening of air-flow and is used for steering flow, described nozzle is around an Axis Extension, to limit an opening, air from the fan outside is entrainmented by described opening by the air-flow from described relief opening emission, described guiding surface is positioned at the downstream of described relief opening and is close to described relief opening setting, described guiding surface be straight line by the formed intersection in the plane of described axis, and the angle between described intersection and the described axis equals at the Way out of the relief opening of described intersection extended spot and the angle between the described axis.
Preferably, the angle between described intersection and the described axis is between-15 ° to 15 °.
Preferably, the angle between described intersection and the described axis is between-15 ° to 0 °.
Preferably, described guiding surface in the length of described axial direction between the 10mm to 150mm.
Preferably, described relief opening is slot-shaped relief opening, described relief opening at the width in its outlet port between the 1mm to 6mm.
Described nozzle also comprises the surface of opening of outwards opening, and the described surface of opening is positioned at described guiding surface downstream and is close to described guiding surface setting.
Above-mentioned feature about first aspect of the present utility model also is applied to second aspect of the present utility model equally, and vice versa.
Description of drawings
Figure l is the front schematic view of fan of the present utility model.
Fig. 2 is the side view of fan shown in Figure 1.
Fig. 3 is that the fan shown in the figure l is along the sectional view of A-A line intercepting.
Embodiment
Figure l is that Fig. 2 is the side view of the fan shown in the figure l from the structural representation of fan of the present utility model of device forward observation, and Fig. 3 is the fan shown in the figure l along the sectional view that A-the A line intercepts.Can find out that from Fig. 1 to Fig. 3 this fan comprises pedestal 1 and the nozzle 2 that is arranged on the pedestal 1; Pedestal 1 comprises base portion 3 and the main body 4 that is positioned on the base portion 3, and main body 4 can swing with respect to base portion 3; Main body 4 comprises the member that is used to form by the air-flow of described nozzle, described member comprises impeller chimney 11, is positioned at the impeller 12 of impeller chimney and the motor 13 of drives impeller rotary work, described main body 4 comprises main body 4a and has the lower main body 4b of suction port 5 that upper main body 4a can slide with respect to lower main body 4b and make its inclination; Nozzle 2 comprises inner passage 7, relief opening 8 and limits interior side body 9 and the outside housing 10 of inner passage 7 and relief opening 8, interior side body 9 comprises that guiding surface 14 that next-door neighbour's relief opening 8 arranges and next-door neighbour's guiding surface 14 arrange opens surface 15, nozzle 2 defines an opening 6 that is positioned at central authorities, and opening 6 has the axis X that is positioned at central part.
From Fig. 3, it can also be seen that, guiding surface 14 be straight line by the formed intersection in the plane of axis X, the angle between this intersection and the axis X equals at the Way out of the relief opening of this intersection extended spot and the angle between the axis X.In the present embodiment, this angle is 0 °, i.e. this intersection X that parallels to the axis, and the Way out of the relief opening of this intersection extended spot is identical with the direction of axis X.
Generally, this angle is set to non-zero, and the distance of the wind that its value can be exported according to fan requires to arrange.For example this angle is set to-10 °, at this moment guiding surface 14 along the axis X direction taperedly near axis X.
During the utility model work, air enters in the main body 4 from the suction port 5 on the main body 4, the member that is used to form the air-flow by described nozzle is converted to the higher air-flow of air pressure with the air that enters, this air-flow that has boosted is admitted in the inner passage 7 of nozzle 2, and the air-flow that the inner passage receives is by relief opening 8 emissions, air from the fan outside is entrainmented by opening 6 by the air-flow of launching from relief opening, consists of the forward total air flow of output from relief opening 8 air-flow of launching and the air-flow that is entrainmented; The guiding surface 14 of this kind fan guides its air-flow of launching along the Way out of relief opening 8, and the air-flow that its relief opening 8 is launched and the rubbing action between the guiding surface 14 significantly weaken, and energy loss and the noise of its generation are all less.
Although showed and described and thought at present preferred embodiment of the present utility model, apparent, those skilled in the art can carry out various changes and improvements, and does not deviate from the scope of the present utility model that is limited by appended claims.
Claims (10)
1. fan, it is characterized in that, described fan comprises nozzle (2) and for generation of the member of the air-flow by described nozzle, described nozzle comprises for the inner passage (7) that receives air-flow, the guiding surface (14) that is used for launching the relief opening (8) of air-flow and is used for steering flow, described nozzle extends around an axis (X), to limit an opening (6), air from the fan outside is entrainmented by described opening by the air-flow from described relief opening emission, described guiding surface is positioned at the downstream of described relief opening and is close to described relief opening setting, described guiding surface be straight line by the formed intersection in the plane of described axis, and the angle between described intersection and the described axis equals at the Way out of the relief opening of described intersection extended spot and the angle between the described axis.
2. fan as claimed in claim 1 is characterized in that, the angle between described intersection and the described axis is between-15 ° to 15 °.
3. fan as claimed in claim 1 is characterized in that, the angle between described intersection and the described axis is between-15 ° to 0 °.
4. fan as claimed in claim 1 is characterized in that, described nozzle also comprise outwards open open surface (15), the described surface of opening is positioned at described guiding surface downstream and is close to described guiding surface setting.
5. such as the described fan of one of claim 1 to 4, it is characterized in that, described guiding surface in the length of described axial direction between the 10mm to 150mm.
6. nozzle that is used for fan, it is characterized in that, described nozzle comprises for the inner passage that receives air-flow, the guiding surface that is used for launching the relief opening of air-flow and is used for steering flow, described nozzle is around an Axis Extension, to limit an opening, air from the fan outside is entrainmented by described opening by the air-flow from described relief opening emission, described guiding surface is positioned at the downstream of described relief opening and is close to described relief opening setting, described guiding surface be straight line by the formed intersection in the plane of described axis, and the angle between described intersection and the described axis equals at the Way out of the relief opening of described intersection extended spot and the angle between the described axis.
7. the nozzle for fan as claimed in claim 6 is characterized in that, the angle between described intersection and the described axis is between-15 ° to 15 °.
8. the nozzle for fan as claimed in claim 6 is characterized in that, the angle between described intersection and the described axis is between-15 ° to 0 °.
9. the nozzle for fan as claimed in claim 6, described nozzle also comprises the surface of opening of outwards opening, the described surface of opening is positioned at described guiding surface downstream and is close to described guiding surface setting.
10. such as the described nozzle for fan of one of claim 6 to 9, it is characterized in that, described guiding surface in the length of described axial direction between the 10mm to 150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220436958 CN202789773U (en) | 2012-08-30 | 2012-08-30 | Fan and spray nozzle applied in same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220436958 CN202789773U (en) | 2012-08-30 | 2012-08-30 | Fan and spray nozzle applied in same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202789773U true CN202789773U (en) | 2013-03-13 |
Family
ID=47817039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220436958 Expired - Fee Related CN202789773U (en) | 2012-08-30 | 2012-08-30 | Fan and spray nozzle applied in same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202789773U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671289A (en) * | 2012-08-30 | 2014-03-26 | 任文华 | Fan and spraying nozzle for fan |
-
2012
- 2012-08-30 CN CN 201220436958 patent/CN202789773U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671289A (en) * | 2012-08-30 | 2014-03-26 | 任文华 | Fan and spraying nozzle for fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20130830 |