CN212615608U - Impeller assembly and bladeless fan - Google Patents
Impeller assembly and bladeless fan Download PDFInfo
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- CN212615608U CN212615608U CN202021298259.6U CN202021298259U CN212615608U CN 212615608 U CN212615608 U CN 212615608U CN 202021298259 U CN202021298259 U CN 202021298259U CN 212615608 U CN212615608 U CN 212615608U
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Abstract
The utility model discloses an impeller subassembly and bladeless fan, an impeller subassembly, include: a flow guide device which can guide the airflow; the flow guiding device generates high-pressure airflow from the airflow guided by the flow guiding device and smoothly circulates the high-pressure airflow; the guiding device corrects the wind direction of the airflow generated by the high-speed rotation of the drainage device, and corrects the airflow generated by the high-speed rotation of the drainage device to be approximately parallel to the axial direction of the drainage device; wherein, the guiding device, the drainage device and the guiding device are communicated in sequence. The utility model discloses have and to carry out the wind direction correction to the air current that the high-speed rotation of impeller produced, with the high-speed rotation of impeller produced the air current approximate correct to with the state of impeller axial direction parallel, and then improve the performance that high-pressure wind flows to do benefit to the steady other devices that get into of high-pressure wind flow, still can reduce the beneficial effect of system noise simultaneously.
Description
Technical Field
The utility model relates to a fan technical field. More specifically, the present invention relates to an impeller assembly and bladeless fan.
Background
The bladeless fan can generate natural and continuous cool wind without blades, is peculiar in shape, is streamlined in appearance, is simple and attractive, enables people to feel cool wind through continuous air flow, is not impacted, is more stable and comfortable, and is popular with consumers.
In view of the fact that the diversion part of the impeller component of the existing bladeless fan is complex in structure, complex in diversion structure, inconvenient to install and detach, high in assembly strength and production cost, poor in using effect and poor in user experience effect, the development of the impeller component and the bladeless fan is needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects existing in the prior art, the utility model aims at providing an impeller assembly, the flow guiding device of which has simple structure and is used for guiding air flow into the air inlet end of an impeller rotating at high speed so as to lead the impeller to run smoothly and play a role of noise reduction; the drainage device is simple in structure and convenient for assembling parts, the power system and the fan shell form an air channel for air flow circulation together, and air flow generated by the power system has larger air pressure so as to facilitate smooth circulation of high-pressure air flow in the air channel; the guiding device can correct the wind direction of the airflow generated by the high-speed rotation of the impeller, and the airflow generated by the high-speed rotation of the impeller is approximately corrected to be in a state of being parallel to the axial direction of the impeller, so that the performance of high-pressure airflow is improved, the high-pressure airflow can smoothly enter other devices, and meanwhile, the noise of a system can be reduced.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an impeller assembly including: a flow guide device which can guide the airflow;
the flow guiding device generates high-pressure airflow from the airflow guided by the flow guiding device and smoothly circulates the high-pressure airflow; and
a guiding device which corrects the wind direction of the airflow generated by the high-speed rotation of the drainage device and approximately corrects the airflow generated by the high-speed rotation of the drainage device to be parallel to the axial direction of the drainage device;
wherein, the guiding device, the drainage device and the guiding device are communicated in sequence.
Preferably, the flow guide device includes: the flow guide part is hollow inside and has the upper end and the lower end opened to form an upper opening and a lower opening respectively;
wherein the diameter of the cross section of the flow guide part is gradually reduced in the vertical direction.
Preferably, the surface of the flow guide part is upwards extended with at least one upper skirt part along the vertical direction;
the upper skirt parts are in a circumferential regular array with the axis of the flow guide part as the circle center, and a clamping space is defined between every two adjacent upper skirt parts;
the surface of the flow guide part is upwards extended with a first buckling part along the vertical direction, at least one first buckling part is arranged, and the first buckling part is arranged in the clamping space.
Preferably, the drainage device comprises: the fan shell is hollow inside, and an air cavity for guiding air flow is formed inside the fan shell; the power system is arranged inside the fan shell and used for generating high-pressure airflow;
wherein, fan shell from the bottom up includes in proper order: a first fixing part, a gradually widening part and a second fixing part; the diameter of the cross section of the gradually widening portion is gradually enlarged in the vertical direction.
Preferably, the periphery of the first fixing part is provided with at least one second buckling part, the second buckling parts are regularly arrayed along the periphery of the first fixing part, and two sides of the second buckling part are provided with guide strips;
the bottom of first fixed part is equipped with spacing muscle, spacing muscle is along vertical direction downwardly extending.
Preferably, the power system includes: the cross section of the base is conical, and a power chamber is arranged in the base;
the driving device is fixedly connected inside the power chamber; and
the impeller is in transmission connection with the driving device, and an air inlet end and an air outlet end are arranged on the impeller along the axial direction;
wherein, the power output shaft of the driving device is in transmission connection with the impeller.
Preferably, the base includes: a hub portion;
at least two first guide vanes spirally arranged on the outer periphery of the hub part; and
the supporting part is arranged on the periphery of the first guide vane;
the adjacent two first guide vanes are arranged at intervals to define a first air guide channel between the two first guide vanes.
Preferably, the pilot device includes: the guide vane shell is hollow inside and has an upper end and a lower end which are opened to form an upper opening and a lower opening respectively; the guide piece is arranged in the guide vane shell;
wherein, leading positive piece includes: a fixed part; at least two be in be the second stator that the heliciform was arranged in the periphery of fixed part, the periphery of second stator with the inboard contact of stator shell is connected, adjacent two the second stator interval arrangement is in order to inject and is located two the second stator reaches second wind-guiding passageway between the stator shell.
Preferably, the method further comprises the following steps: a control device that controls operation of the impeller assembly.
The utility model also provides a bladeless fan, its characterized in that, it contains according to any one of the aforesaid impeller subassembly.
The utility model discloses at least, include following beneficial effect: the utility model provides an impeller subassembly, it
1) The flow guiding device is simple in structure and is used for guiding air flow into the air inlet end of the impeller rotating at high speed, so that the impeller can run smoothly, and meanwhile, the noise reduction effect is achieved;
2) the drainage device is simple in structure and convenient for assembling parts, the power system and the fan shell form an air channel for air flow circulation together, and air flow generated by the power system has larger air pressure so as to facilitate smooth circulation of high-pressure air flow in the air channel;
3) the guiding device can correct the wind direction of the airflow generated by the high-speed rotation of the impeller, and the airflow generated by the high-speed rotation of the impeller is approximately corrected to be in a state parallel to the axial direction of the impeller, so that the performance of high-pressure airflow is improved, the high-pressure airflow can smoothly enter other devices, and meanwhile, the noise of a system can be reduced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a cross-sectional view of an impeller assembly in an embodiment of the present invention;
FIG. 2 is a schematic view of an impeller assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a flow guiding device according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of a deflector device in an embodiment of the invention;
fig. 5 is a top view of a deflector according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a drainage device according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a fan housing according to an embodiment of the present invention;
fig. 8 is a cross-sectional view of a fan housing according to an embodiment of the present invention;
fig. 9 is a schematic structural view of a base according to an embodiment of the present invention;
fig. 10 is a cross-sectional view of an impeller according to an embodiment of the present invention;
fig. 11 is a schematic structural view of a pilot device according to an embodiment of the present invention;
fig. 12 is a schematic structural view of a pilot device according to an embodiment of the present invention;
fig. 13 is a schematic structural view of a guide vane housing according to an embodiment of the present invention;
fig. 14 is a schematic structural diagram of another view angle of the guide vane housing according to an embodiment of the present invention.
Detailed Description
The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a more detailed description of the present invention, which will enable those skilled in the art to make and use the present invention.
In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.
In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation.
Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments, unless expressly described otherwise.
According to the utility model relates to an embodiment combines fig. 1 ~ 2, the utility model provides an impeller subassembly, it includes: a flow guide device 15 for guiding the air flow;
a flow guide device which generates high-pressure airflow from the airflow guided by the flow guide device 15 and smoothly circulates the high-pressure airflow; and
a guiding device which corrects the wind direction of the airflow generated by the high-speed rotation of the drainage device and approximately corrects the airflow generated by the high-speed rotation of the drainage device to be parallel to the axial direction of the drainage device;
wherein, the flow guide device 15, the flow guide device and the pilot device are communicated in sequence.
Further, with reference to fig. 3 to 5, the flow guiding device 15 includes: a flow guide part 151 which is hollow and has both open upper and lower ends to form an upper opening and a lower opening, respectively;
wherein the cross-sectional diameter of the flow guide 151 is gradually reduced in the vertical direction.
At least one upper skirt part 152 extends upwards along the vertical direction on the surface of the flow guide part 151;
the upper skirt portions 152 are arranged in a circumferential regular array with the axis of the flow guide portion 151 as a circle center, and a clamping space is defined between every two adjacent upper skirt portions 152;
the surface of the flow guide part 151 is further extended upwards by a first buckling part 153 along the vertical direction, at least one first buckling part 153 is arranged, and the first buckling part 153 is arranged in the clamping space.
In a preferred embodiment, a locking groove 1531 is formed on a surface of the first locking portion 153. A guide groove 154 is defined between a side end of the first catching portion 153 and a side end of the upper skirt portion 152. The top end surface of the flow guide part 151 is provided with a limiting part 155, and a limiting groove 156 is defined between the limiting part 155 and the top end of the flow guide part 151.
It can be understood that the guiding portion 151 is used for guiding air flow into the air inlet end of the impeller rotating at a high speed, and the cross section diameter of the guiding portion 151 is gradually reduced in the vertical direction, so that the guiding portion has the advantage of enlarging the air flow inlet amount, and a large amount of air flow can be gathered at the upper opening of the guiding portion 151, so as to enter the impeller rotating at a high speed, so that the air flow at the outlet end of the impeller is enhanced, and the experience of a user is improved.
Further, with reference to fig. 6 to 10, the drainage device includes: a fan housing 14 having a hollow interior, the interior of which forms a wind chamber for guiding a wind; the power system is arranged inside the fan shell 14 and is used for generating high-pressure airflow;
wherein, fan shell 14 from the bottom up includes in proper order: a first fixing portion 141, a gradually widening portion 142, and a second fixing portion 143; the gradually enlarged portion 142 has a gradually enlarged cross-sectional diameter in the vertical direction.
It can be understood that driving system locates in the wind cavity, driving system with the wind cavity forms the wind channel that supplies the air current circulation jointly, just the air current that driving system produced has great wind pressure to be convenient for smooth and easy circulation of high pressure draught in the wind channel.
Further, at least one second buckling part 144 is arranged on the periphery of the first fixing part 141, the second buckling parts 144 are regularly arrayed along the periphery of the first fixing part 141, and guide strips 145 are arranged on two sides of each second buckling part 144;
the bottom end of the first fixing portion 141 is provided with a limiting rib 146, and the limiting rib 146 extends downwards along the vertical direction.
In an embodiment of the present invention, a limiting rib 146 is disposed at the bottom end of the fan housing 14, a limiting groove 156 is defined between the limiting portion 155 and the top end of the flow guiding portion 151, the limiting rib 146 is adapted to the limiting groove 156, when the fan housing 14 is assembled with the flow guiding device 15, the limiting rib 146 is primarily positioned by the matching of the limiting rib 146 and the limiting groove 156, the second fastening portion 144 is disposed at the periphery of the fan housing 14, the first fastening portion 153 is disposed at the surface of the flow guiding device 15, the fastening groove 1531 is disposed at the surface of the first fastening portion 153, the fastening groove 1531 is adapted to the second fastening portion 144, and the fan housing 14 and the flow guiding device 15 are fastened and fixed by the matching of the fastening groove 1531 and the second fastening portion 144, further, the guiding device is provided with a guiding groove 154, the fan housing 14 is provided with a guiding strip 145, the guiding strip 145 and the guiding groove 154 are arranged on the fan housing 14 and the guiding device 15 to play a guiding role, and the fan housing 14 and the guiding device 15 are convenient to assemble.
Further, the power system includes: a hollow base 11, the cross section of which is conical, and a power chamber is arranged inside;
a driving device 12 fixedly connected to the interior of the power chamber; and
the impeller 13 is in transmission connection with the driving device 12, and an air inlet end and an air outlet end are arranged on the impeller 13 along the axial direction;
wherein, the power output shaft of the driving device 12 is in transmission connection with the impeller 13.
The utility model discloses an in preferred embodiment, drive arrangement 12's power output shaft surface is equipped with location mold insert 121, positioning groove 1211 has been seted up to the bottom of location mold insert 121, impeller 13's the end of giving vent to anger be equipped with positioning flange 131 of positioning groove 1211 looks adaptation, drive arrangement 12 reaches impeller 13 passes through positioning groove 1211 reaches positioning flange 131's cooperation is assembled, has the antiskid simultaneously, is convenient for impeller 13 along with drive arrangement 12's power output shaft is high-speed rotatory.
The surface of the power output shaft of the driving device 12 is provided with a threaded portion 122, the air inlet end of the impeller 13 is provided with a locking portion 132, and after the driving device 12 and the impeller 13 are assembled, a nut can be locked at the position of the locking portion 132 through the threaded portion 122, so that the impeller is prevented from falling off in the high-speed rotation process.
Further, the base 11 includes: a hub portion 111;
at least two first vanes 112 arranged spirally on the outer periphery of the hub portion 111; and
a support portion 113 provided on the outer periphery of the first guide vane 112;
wherein, two adjacent first guide vanes 112 are arranged at intervals to define a first wind guiding channel between the two first guide vanes 112.
In a preferred embodiment of the present invention, at least 2 air holes 1111 are opened on the outer circumferential surface of the hub portion 111 to guide the air flow to cool the driving device 12.
It can be understood that the driving device 12 generates high temperature during operation, the driving device 12 affects the service life of the driving device 12 when operated at high temperature for a long time, the outer circumferential surface of the hub portion 111 is provided with at least 2 air vents 1111, and the air vents 1111 can guide the air flow to cool the driving device, thereby prolonging the service life of the driving device 12.
The base 11 is clamped with the fan casing through the supporting part 113.
In a preferred embodiment of the present invention, the top end of the first fixing portion 143 extends upward along the vertical direction to form a first annular wall 147, the surface of the first annular wall 147 is provided with at least 2 stop notches 1471, the stop notch 1471 is provided with a first threaded post 1472, the bottom end of the supporting portion 113 extends downward along the vertical direction to form a second annular wall 1131, the second annular wall 1131 is adapted to the first annular wall 147, the outer periphery of the second annular wall 1131 is provided with a second threaded post 1132, the base 11 and the fan housing 14 are positioned and assembled by the cooperation of the first annular wall 147 and the second annular wall 1131, the stop notch 1471 is used for limiting the base 11, and the first threaded post 1472 and the second threaded post 1132 are used for locking and fixing the base 11 and the fan housing 14.
Further, with reference to fig. 11 to 14, the guiding device includes: a guide vane housing 17 which is hollow inside and has both open upper and lower ends to form an upper opening and a lower opening, respectively; and a pilot piece 16 arranged inside the guide vane housing 17;
wherein the pilot piece 16 includes: a fixing portion 161; at least two pieces are in be the second stator 162 that the heliciform was arranged on the periphery of fixed part 161, the periphery of second stator 162 with the inboard contact of stator shell 17 is connected, adjacent two pieces second stator 162 interval arrangement is in order to inject and is located two pieces second stator 162 and the second wind guide channel between the stator shell 17.
The utility model discloses an in the embodiment, first wind-guiding passageway with second wind-guiding passageway is linked together, second wind-guiding passageway carries out the wind direction to the air current that the high-speed rotation of impeller produced and revises, with the approximate correction of the air current that the high-speed rotation of impeller produced to with impeller axial direction parallel's state, and then improve the performance that high-pressure wind flows to do benefit to high-pressure wind and flow and steadily get into other devices, still can reduce system's noise simultaneously.
In a preferred embodiment of the present invention, the guide vane housing 17 includes: a wind gathering part 171 whose cross-sectional diameter is gradually reduced in the vertical direction; and
locate hold in the wind portion 171 periphery 2 at least joint portion 172, joint portion 172 follows hold in the wind portion 171 periphery regular array.
It can be understood that the diameter of the cross section of the wind gathering portion 171 is gradually reduced in the vertical direction, so that the wind gathering portion has the advantage of expanding the air flow outlet amount, and a large amount of air flow can be gathered at the upper opening of the guide vane housing 17 to enter other devices of the bladeless fan, so that the air flow at the upper opening of the guide vane housing 17 is enhanced, and the experience of a user is improved.
Meanwhile, the periphery of the wind collecting portion 171 is provided with a plurality of clamping portions 172, and the clamping portions 172 are used for being flexibly connected with other components to fix and absorb shock for the impeller assembly.
Further, the bottom end of the wind gathering portion 171 extends downward along the axial direction to form an external flange 173, so as to facilitate limiting and clamping with other devices.
The surface of the external flange 173 is provided with at least 1 positioning spigot 174, and the positioning spigot 174 is provided with a first threaded through hole 175 to facilitate positioning and locking of other components.
It is understood that the external flange 173 may be used for preliminary positioning of the guide vane housing 17 during assembly, the positioning spigot 174 may be used for further positioning, and the first threaded through hole 175 may be used for screwing the guide vane housing 17 with other components to perform positioning locking on the guide vane housing 17.
Further, the fixing portion 161 is tapered and hollow, at least one fixing column 163 is disposed inside the fixing portion 161, the fixing column 163 extends downward along the vertical direction, and a second threaded through hole 164 is clamped inside the fixing column 163, so that the guide piece 16 is locked with other components.
The bottom end of the fixing portion 161 extends downward along a vertical direction to form a positioning portion 165, so that the pilot piece 16 can be positioned when being assembled with other components.
It is understood that the positioning portion 165 can be initially positioned during the assembly of the pilot member 16 for subsequent operations during the assembly, and the second threaded through hole 164 can be used for screwing the pilot member 16 with other components to perform positioning and locking on the pilot member 16.
Further, in conjunction with fig. 2, the method further includes: a control device 18, said control device 18 controlling the operation of said impeller assembly.
In an embodiment of the present invention, the control device 18 is fixedly connected to the top end of the guiding member 16, and the control device 18 is electrically connected to the driving device 12 to control the operation of the driving device 12.
The utility model also provides a bladeless fan, its characterized in that, it contains according to above-mentioned arbitrary item impeller subassembly.
To sum up, the utility model provides an impeller subassembly, it
1) The flow guiding device is simple in structure and is used for guiding air flow into the air inlet end of the impeller rotating at high speed, so that the impeller can run smoothly, and meanwhile, the noise reduction effect is achieved;
2) the drainage device is simple in structure and convenient for assembling parts, the power system and the fan shell form an air channel for air flow circulation together, and air flow generated by the power system has larger air pressure so as to facilitate smooth circulation of high-pressure air flow in the air channel;
3) the guiding device can correct the wind direction of the airflow generated by the high-speed rotation of the impeller, and the airflow generated by the high-speed rotation of the impeller is approximately corrected to be in a state parallel to the axial direction of the impeller, so that the performance of high-pressure airflow is improved, the high-pressure airflow can smoothly enter other devices, and meanwhile, the noise of a system can be reduced.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (10)
1. An impeller assembly, comprising:
a flow guide device (15) for guiding the air flow;
the flow guiding device generates high-pressure airflow from the airflow guided by the flow guiding device (15) and smoothly circulates the high-pressure airflow; and
a guiding device which corrects the wind direction of the airflow generated by the high-speed rotation of the drainage device and approximately corrects the airflow generated by the high-speed rotation of the drainage device to be parallel to the axial direction of the drainage device;
wherein, the flow guide device (15), the drainage device and the guide device are communicated in sequence.
2. The impeller assembly according to claim 1, characterized in that said flow-guide means (15) comprise: a flow guide part (151) which is hollow inside and has both open upper and lower ends to form an upper opening and a lower opening respectively;
wherein the diameter of the cross section of the flow guide part (151) is gradually reduced in the vertical direction.
3. The impeller assembly according to claim 2, characterized in that the surface of the flow guide (151) is extended vertically upwards by at least one upper skirt (152);
the upper skirts (152) are in a circumferential regular array with the axis of the flow guide part (151) as the center of a circle, and a clamping space is defined between every two adjacent upper skirts (152);
the surface of the flow guide part (151) is upwards extended with a first buckling part (153) along the vertical direction, at least one first buckling part (153) is arranged, and the first buckling part (153) is arranged in the clamping space.
4. The impeller assembly of claim 1 wherein said flow directing means comprises: a hollow fan housing (14) inside which a wind chamber for guiding a wind flow is formed; the power system is arranged inside the fan shell (14) and is used for generating high-pressure airflow;
wherein, fan shell (14) from the bottom up includes in proper order: a first fixing part (141), a gradually widening part (142), and a second fixing part (143); the gradually enlarged portion (142) has a cross-sectional diameter gradually enlarged in the vertical direction.
5. The impeller assembly according to claim 4, characterized in that the periphery of the first fixing portion (141) is provided with at least one second fastening portion (144), the second fastening portions (144) are regularly arrayed along the periphery of the first fixing portion (141), and guide strips (145) are arranged on both sides of the second fastening portion (144);
the bottom of first fixed part (141) is equipped with spacing muscle (146), spacing muscle (146) extend downwards along vertical direction.
6. The impeller assembly of claim 4 wherein said power system comprises: a base (11) which is hollow inside and has a conical cross section, and a power chamber is arranged inside;
a driving device (12) fixedly connected to the interior of the power chamber; and
the impeller (13) is in transmission connection with the driving device (12), and an air inlet end and an air outlet end are arranged on the impeller (13) along the axial direction;
wherein, the power output shaft of the driving device (12) is in transmission connection with the impeller (13).
7. The impeller assembly according to claim 6, characterized in that said base (11) comprises: a hub part (111);
at least two first vanes (112) arranged in a spiral shape on an outer periphery of the hub portion (111); and
a support part (113) provided on the outer periphery of the first guide vane (112);
wherein adjacent two pieces of the first guide vanes (112) are arranged at intervals to define a first wind guide channel between the two pieces of the first guide vanes (112).
8. The impeller assembly of claim 1 wherein said pilot means comprises: the guide vane shell (17) is hollow inside and has the upper end and the lower end opened to form an upper opening and a lower opening respectively; and a pilot piece (16) arranged inside the guide vane shell (17);
wherein the pilot (16) comprises: a fixed part (161); at least two pieces are in be second stator (162) that the heliciform was arranged on the periphery of fixed part (161), the periphery of second stator (162) with the inboard contact of stator shell (17) is connected, adjacent two pieces second stator (162) interval arrangement is in order to inject and is located two pieces second stator (162) and second wind-guiding passageway between stator shell (17).
9. The impeller assembly of claim 1, further comprising: a control device (18), the control device (18) controlling operation of the impeller assembly.
10. A bladeless fan, characterized in that it comprises an impeller assembly according to any one of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021298259.6U CN212615608U (en) | 2020-07-06 | 2020-07-06 | Impeller assembly and bladeless fan |
| PCT/CN2021/104683 WO2022007780A1 (en) | 2020-07-06 | 2021-07-06 | Impeller assembly, airflow introduction device, airflow guide device, correction device, and bladeless fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021298259.6U CN212615608U (en) | 2020-07-06 | 2020-07-06 | Impeller assembly and bladeless fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212615608U true CN212615608U (en) | 2021-02-26 |
Family
ID=74745629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021298259.6U Active CN212615608U (en) | 2020-07-06 | 2020-07-06 | Impeller assembly and bladeless fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212615608U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795008A (en) * | 2020-07-06 | 2020-10-20 | 追觅科技(上海)有限公司 | Impeller assembly and bladeless fan |
| WO2022007780A1 (en) * | 2020-07-06 | 2022-01-13 | 追觅科技(上海)有限公司 | Impeller assembly, airflow introduction device, airflow guide device, correction device, and bladeless fan |
-
2020
- 2020-07-06 CN CN202021298259.6U patent/CN212615608U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111795008A (en) * | 2020-07-06 | 2020-10-20 | 追觅科技(上海)有限公司 | Impeller assembly and bladeless fan |
| WO2022007780A1 (en) * | 2020-07-06 | 2022-01-13 | 追觅科技(上海)有限公司 | Impeller assembly, airflow introduction device, airflow guide device, correction device, and bladeless fan |
| CN111795008B (en) * | 2020-07-06 | 2024-07-19 | 北京小米移动软件有限公司 | Impeller assembly and bladeless fan |
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