CN210164701U - Bladeless fan - Google Patents
Bladeless fan Download PDFInfo
- Publication number
- CN210164701U CN210164701U CN201920457284.5U CN201920457284U CN210164701U CN 210164701 U CN210164701 U CN 210164701U CN 201920457284 U CN201920457284 U CN 201920457284U CN 210164701 U CN210164701 U CN 210164701U
- Authority
- CN
- China
- Prior art keywords
- annular
- air
- shell
- ring
- air outlet
- 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 - Fee Related
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a bladeless fan, which comprises a shell, an air duct shell and a fan; the shell comprises a front shell and a rear shell, a first annular hole is formed in the front shell, a second annular hole is formed in the rear shell, a plurality of blocking ribs are arranged on the outer wall of the second annular hole, and an air inlet hole is formed in the rear shell; the air duct shell comprises an air outlet ring and a cover body, the air outlet ring is sleeved on the second annular hole, and an air outlet is formed between adjacent blocking ribs; the cover body is sealed and covered on the rear shell, the front part of the cover body is provided with a third annular hole which is in sealing fit with the air outlet ring, an annular air channel is formed by matching the cover body, the air outlet ring and the rear shell, and the cover body is provided with an air inlet; the fan is butted with the air inlet and used for sucking air outside the shell, pressing the air into the annular air channel and finally spraying the air out of the air outlet. The utility model discloses simple structure, the equipment is convenient, and the air outlet is formed by air-out ring sum first annular ring cooperation, and the air outlet is less, and wind is made an uproar lower, and comparatively secret simultaneously is difficult for discovering, is difficult for causing the influence to the whole outward appearance of fan.
Description
Technical Field
The utility model relates to a fan technical field, in particular to bladeless fan.
Background
The bladeless fan is also called an air doubling machine, can generate natural and continuous cold wind, and cannot cover dust or hurt fingers inserted by children due to no blades; the bladeless fan utilizes the technologies in jet aircraft engines and automobile turbocharging to suck air through the air suction hole at the bottom, and the impeller hidden in the inner part of the edge of the circular ring sprays the air in a circular track to finally form an uninterrupted cold air flow.
The existing bladeless fan generally comprises a shell, an air channel shell and a fan, wherein the air channel shell and the fan are arranged in the shell, air outside the shell is sucked into an annular air channel of the air channel shell through the fan and is pressed into the annular air channel of the air channel shell, and finally the air is sprayed out from an air outlet; the existing air duct shell is generally formed by closing an upper cover body and a lower cover body, an annular air duct is formed by matching the upper cover body and the cover body, an air outlet communicated with the annular air duct is formed in the upper cover body, the air outlet is directly formed in the upper cover body and exposed outside a shell, the caliber of the air outlet is generally large, and accordingly air noise is large, and meanwhile the structure of the air outlet has large influence on the overall appearance of a fan and has an improved space.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bladeless fan for overcoming the defects in the prior art, which has a simple structure, all the parts are connected tightly, an air outlet is formed by the clearance fit between the air outlet ring and the second annular hole of the rear shell, the secrecy is high, the discovery is difficult, and the whole appearance of the fan is not influenced; meanwhile, the formed air outlet is small, and the wind noise is low.
In order to achieve the purpose, the utility model provides a bladeless fan, which comprises a shell, an air duct shell and a fan;
the shell comprises a front shell and a rear shell which are mutually closed, wherein a first annular hole is formed in the front shell, a raised second annular hole corresponding to the first annular hole is formed in the front surface of the rear shell, a plurality of blocking ribs are arranged on the outer annular surface of the second annular hole at intervals, and an air inlet hole is formed in the rear shell below the second annular hole;
the air duct shell is arranged in the shell and comprises an air outlet ring and a cover body, the air outlet ring is of an annular structure matched with the second annular hole, the air outlet ring is sleeved on the raised second annular hole, the air outlet ring and the second annular hole are arranged in a clearance mode under the action of the blocking ribs, and an air outlet is formed between adjacent blocking ribs;
the cover body is hermetically covered on the rear shell, a third annular hole in sealing fit with the air outlet ring is arranged at the front part of the cover body, an annular air channel is formed by matching the cover body, the air outlet ring and the rear shell, and an air inlet communicated with the annular air channel is arranged below the cover body;
the fan is arranged in the shell, is butted with the air inlet, is used for sucking air outside the shell, is pressed into the annular air channel and is finally sprayed out from the air outlets distributed annularly.
Further setting the following steps: the air guide plate is provided with a fourth annular hole, is arranged between the air outlet ring and the front shell and is used for gently connecting the inner wall of the annular hole of the air outlet ring and the outer wall of the first annular hole of the front shell, and the inner annular surface of the fourth annular hole is provided with a guide surface for guiding the movement of air flow.
Further setting the following steps: the front surface of the rear shell is provided with a plurality of second positioning columns at intervals along the outer edge of the front surface of the rear shell, and the rear surface of the cover body is provided with second positioning grooves matched with the second positioning columns.
Further setting the following steps: the rear surface of the front shell is provided with a plurality of third positioning columns along the outer edge of the front surface, and the third positioning columns are arranged corresponding to the second positioning columns on the rear shell;
and a third positioning groove matched with the third positioning column is arranged on the front surface of the cover body, and the third positioning groove and the second positioning groove are correspondingly arranged.
Further setting the following steps: the front surface of the rear shell is provided with a continuous and raised second blocking edge corresponding to the inner side of the second positioning column and the outer circumference of the second annular hole, and the rear opening sealing cover of the cover body is arranged on the outer side of the second blocking edge.
Further setting the following steps: an abutting lip matched with the front surface of the rear shell is formed by extending the rear opening of the cover body outwards.
Further setting the following steps: a first annular caulking groove is formed in the front end face of the air outlet ring;
a raised third rib is arranged on the rear surface of the cover body corresponding to the inner side circumference of the third annular hole, and a raised third embedded ring is arranged on the rear surface of the cover body corresponding to the third annular hole;
the front end of the air outlet ring is embedded in an embedded groove formed by enclosing a third convex edge of the cover body, and the third embedded ring is embedded in the first annular embedded groove.
Further setting the following steps: a fourth embedded ring is arranged on the rear surface of the air deflector corresponding to the outer side of the fourth ring hole;
a second annular caulking groove is formed in the front end face of the air outlet ring corresponding to the inner side of the first caulking ring;
the fourth caulking ring is embedded in the second annular caulking groove.
Further setting the following steps: a plurality of raised fourth positioning columns are arranged on the rear surface of the air deflector at intervals corresponding to the outer side of the fourth annular hole, and a fourth positioning groove matched with the fourth positioning columns is arranged on the front surface of the cover body.
Further setting the following steps: the rear surface of procapsid is provided with a plurality of first locating posts corresponding to the outside interval of first annular ring, the front surface of aviation baffle is provided with the first positioning groove with first locating post matched with.
Further setting the following steps: the rear surface of the front shell is provided with a first protruding caulking ring corresponding to the first annular hole, the front surface of the air deflector is provided with a fourth annular caulking groove, and the first caulking ring is embedded in the fourth annular caulking groove.
Further setting the following steps: the rear end part of the air outlet ring is provided with an air inlet part which is obliquely arranged outwards.
Further setting the following steps: and a lamp embedding groove for embedding the lamp strip is formed in the front surface of the cover body corresponding to the periphery of the outer side of the third annular hole.
Further setting the following steps: the fan is an axial flow fan.
Compared with the prior art, the utility model has simple structure, the components are mutually embedded and connected, the connection is tight, and the sealing performance is good; meanwhile, the air outlet is formed by matching the air outlet ring and the second annular hole, the air outlet is small, the wind noise is low, the secrecy is high, the air outlet is not easy to find, and the influence on the overall appearance of the bladeless fan is avoided.
Drawings
Fig. 1 is a schematic perspective view of the bladeless fan of the present invention;
FIG. 2 is a schematic view of a separating structure of the bladeless fan according to the present invention;
fig. 3 is a perspective view (rear side) of the front case;
fig. 4 is a perspective view (front side) of the rear case;
FIG. 5 is a perspective view (front side) of the cover;
FIG. 6 is a perspective view (rear side) of the cover;
fig. 7 is a schematic perspective view (front side) of the air outlet ring;
fig. 8 is a perspective view (front side) of the air deflection plate;
fig. 9 is a perspective view (rear side) of the air deflection plate.
The following reference numerals are marked thereon in conjunction with the accompanying drawings:
1. a housing; 11. a front housing; 111. a first annular ring; 112. a first positioning post; 113. a first grommet; 114. a third positioning column; 12. a rear housing; 121. a second annular ring; 122. blocking ribs; 123. a second positioning column; 124. a second blocking edge; 125. an air inlet hole; 2. an air duct shell; 21. an air outlet ring; 211. an air inlet part; 212. a first annular caulking groove; 213. a second annular caulking groove; 22. a cover body; 221. a third annular ring; 222. a second positioning groove; 223. a third rib; 224. a third thimble; 225. the embedded lamp is provided with a groove; 226. a fourth positioning groove; 227. an air inlet; 228. pressing the lip; 229. a third positioning groove; 3. a fan; 4. an air deflector; 41. a fourth annular ring; 42. a fourth positioning column; 43. a first positioning groove; 44. a fourth annular caulking groove; 45. a fourth thimble; 46. a guide surface.
Detailed Description
In the following, an embodiment of the present invention will be described in detail with reference to the drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.
The utility model relates to a bladeless fan, as shown in figures 1 and 2, which comprises a shell 1, an air duct shell 2 arranged in the shell 1, a fan 3, an air deflector 4 and a control panel; the casing 1 comprises a front casing 11 and a rear casing 12 which are mutually involutory, the air duct casing 2 is provided with an annular air duct, the annular air duct is provided with an air outlet and an air inlet 227, the fan 3 is arranged in the casing 1 and is positioned below the air duct casing 2 and is butted with the air inlet 227, the fan 3 is used for sucking air outside the casing 1, pressing the air into the annular air duct and finally spraying the air out of the air outlet, and the fan 3 is preferably an axial flow fan 3; the control panel is used for controlling the fan 3 to work.
As shown in fig. 3, a first annular hole 111 is formed in the front housing 11, a plurality of first positioning posts 112 are circumferentially spaced on the rear surface of the front housing 11 corresponding to the outer side of the first annular hole 111, a first embedding ring 113 is circumferentially disposed on the rear surface of the front housing 11 corresponding to the first annular hole 111, and a third positioning post 114 is disposed on the rear surface of the front housing 11 along the outer edge thereof, wherein the first positioning post 112 and the third positioning post 114 are partially overlapped and shared.
As shown in fig. 4, the rear housing 12 is provided with a second annular hole 121 which is corresponding to the first annular hole 111 and protrudes forward, raised blocking ribs 122 are circumferentially arranged on the outer annular surface of the second annular hole 121 at intervals, a second positioning column 123 is arranged on the front surface of the rear housing 12 along the outer edge thereof, and the second positioning column 123 is arranged corresponding to the third positioning column 114; a continuous and raised second blocking edge 124 is circumferentially arranged on the front surface of the rear shell 12 corresponding to the inner side of the second positioning column 123 and the outer side of the second annular hole 121, and an air inlet 125 is arranged on the front surface of the rear shell 12 corresponding to the lower part of the second blocking edge 124.
As shown in fig. 5 and 6, the cover 22 is a raised thin shell structure, the rear surface of which has an opening, the front surface of which has a third annular hole 221, and the lower part of which has an air inlet 227; the front surface of the cover 22 is provided with a third positioning groove 229 along the outer edge for the third positioning column 114 to be embedded in, the rear surface of the cover 22 is provided with a second positioning groove 222 along the outer edge for the second positioning column 123 to be embedded in, and the third positioning groove 229 and the second positioning groove 222 are correspondingly arranged; a lamp embedding groove 225 for embedding a lamp strip is arranged on the front surface of the cover body 22 corresponding to the outer circumference of the third annular hole 221; the front surface of the cover body 22 is provided with a fourth positioning groove 226 corresponding to the outer side of the lamp-embedding groove 225; the rear surface of the cover body 22 is provided with a third rib 223 corresponding to the outer circumference of the third annular hole 221, preferably, the third rib 223 and the recessed lamp groove 225 formed on the front surface and the rear surface of the cover body 22 are formed by punching, and the third rib 223 and the recessed lamp groove 225 are correspondingly arranged; a third convex embedded ring 224 is arranged on the rear surface of the cover body 22 corresponding to the third ring hole 221; a pressing lip 228 extends outwardly from the rear opening of the cover 22.
As shown in fig. 7, the air outlet ring 21 is an annular structure adapted to the second annular hole 121, the rear end of the air outlet ring 21 has an air inlet portion 211 with a peripheral wall formed obliquely outward, the front end of the air outlet ring 21 extends horizontally outward to form a butting platform, and a first annular caulking groove 212 and a second annular caulking groove 213 are formed on the front surface of the butting platform around the annular hole, wherein the first annular caulking groove 212 is located outside the second annular caulking groove 213.
As shown in fig. 8 and 9, the air deflector 4 is a ring-shaped structure matched with the second annular hole 121, and has a fourth annular hole 41 in the middle; a plurality of fourth positioning columns 42 are arranged on the rear surface of the air deflector 4 at intervals corresponding to the outer circumference of the fourth annular hole 41, and the fourth positioning columns 42 correspond to the fourth positioning grooves 226; a raised fourth embedded ring 45 is arranged on the rear surface of the air deflector 4 corresponding to the outer side of the fourth annular hole 41 and the inner side of the fourth positioning column 42; a plurality of first positioning grooves 43 are arranged on the front surface of the air deflector 4 at intervals corresponding to the outer circumference of the fourth ring hole 41, the first positioning grooves 43 are embedded with the first positioning posts 112 on the front shell 11, and preferably, the first positioning grooves 43 are arranged corresponding to the fourth positioning posts 42; a fourth annular caulking groove 44 is arranged on the front surface of the air deflector 4 corresponding to the outer side of the fourth annular hole 41 and the inner side of the first positioning groove 43; the inner annular surface of the air deflector 4 has a guide surface 46 for guiding the movement of the air flow.
As shown in fig. 2, the air outlet ring 21 is sleeved on the second annular hole 121 of the rear housing 12, the inner annular surface of the air outlet ring 21 and the outer annular surface of the second annular hole 121 are arranged in a gap by the supporting action of the blocking ribs 122, an air outlet is formed between the adjacent blocking ribs 122, and the air outlet formed by the structure is small, low in wind noise, high in secrecy, and free of influence on the overall appearance of the fan; the cover body 22 covers the front surface of the rear housing 12, the second positioning groove 222 is sleeved on the second positioning column 123, the pressing lip 228 is arranged on the outer side of the second retaining edge 124, the end surface of the pressing lip 228 is matched with the shape of the front surface of the rear housing 12, the abutting area between the cover body 22 and the rear housing 12 is effectively increased through the pressing lip 228, so that the sealing effect is improved, and meanwhile, the sealing effect can also be effectively improved through the matching of the second retaining edge 124 and the opening of the cover body 22; the front end of the air outlet ring 21 is embedded in an embedded groove formed by enclosing the third convex rib 223, the third embedded ring 224 is embedded in the first annular embedded groove 212, so that an annular air duct with an air inlet 227 and an air outlet is formed among the rear shell 12, the cover body 22 and the air outlet ring 21 in a matching manner, and the air outlet ring 21 and the cover body 22 are in a double-embedded sealing structure, so that the sealing effect of the annular air duct is effectively improved, and the gas in the annular air duct is prevented from leaking; the fourth positioning column 42 of the air deflector 4 is embedded in the fourth positioning slot 226 of the cover 22, the fourth embedded ring 45 of the air deflector 4 is embedded in the second annular embedded groove 213 of the air outlet ring 21, the fourth convex rib is embedded in the third annular embedded groove, and the inner annular surface of the air deflector 4 is gently jointed with the inner annular surface of the air outlet ring 21; the front shell 11 is pressed against the air deflector 4, the first positioning column 112 of the front shell 11 is embedded in the first positioning groove 43 of the air deflector 4, the third positioning column 114 is embedded in the third positioning groove 229 of the cover body 22, and the first embedded ring 113 of the front shell 11 is embedded in the fourth annular embedded groove 44 of the air deflector 4, so that the outer wall of the front shell 11 and the inner annular surface of the air deflector 4 are gently connected; the air deflector 4 is arranged between the air outlet ring 21 and the front shell 11 and is gently jointed with the inner wall of the air outlet ring 21 and the outer wall of the front shell 11, so that the air flow sprayed out of the air outlet can flow out along the inner wall of the air outlet ring 21, the inner ring surface of the air deflector 4 and the outer wall of the front shell 11; all parts of the bladeless fan are reliably positioned and embedded, and stable connection among all the parts can be achieved through screw locking.
Compared with the prior art, the utility model has simple structure, the components are mutually embedded and connected, the connection is tight, and the sealing performance is good; meanwhile, the air outlet is formed by matching the air outlet ring and the second annular hole, the air outlet is small, the wind noise is low, the secrecy is high, the air outlet is not easy to find, and the influence on the overall appearance of the bladeless fan is avoided.
The above disclosure is only for the embodiment of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art should fall within the protection scope of the present invention.
Claims (14)
1. A bladeless fan is characterized by comprising a shell, an air duct shell and a fan;
the shell comprises a front shell and a rear shell which are mutually closed, wherein a first annular hole is formed in the front shell, a raised second annular hole corresponding to the first annular hole is formed in the front surface of the rear shell, a plurality of blocking ribs are arranged on the outer annular surface of the second annular hole at intervals, and an air inlet hole is formed in the rear shell below the second annular hole;
the air duct shell is arranged in the shell and comprises an air outlet ring and a cover body, the air outlet ring is of an annular structure matched with the second annular hole, the air outlet ring is sleeved on the raised second annular hole, the air outlet ring and the second annular hole are arranged in a clearance mode under the action of the blocking ribs, and an air outlet is formed between adjacent blocking ribs;
the cover body is hermetically covered on the rear shell, a third annular hole in sealing fit with the air outlet ring is arranged at the front part of the cover body, an annular air channel is formed by matching the cover body, the air outlet ring and the rear shell, and an air inlet communicated with the annular air channel is arranged below the cover body;
the fan is arranged in the shell, is butted with the air inlet, is used for sucking air outside the shell, is pressed into the annular air channel and is finally sprayed out from the air outlets distributed annularly.
2. The bladeless fan of claim 1, further comprising a wind deflector having a fourth annular hole disposed between the wind outlet ring and the front housing for gently engaging an inner wall of the annular hole of the wind outlet ring with an outer wall of the first annular hole of the front housing, wherein an inner annular surface of the fourth annular hole has a guide surface for guiding the movement of the airflow.
3. The bladeless fan of claim 1, wherein the front surface of the rear housing has a plurality of second positioning posts spaced along an outer edge thereof, and the rear surface of the housing has second positioning slots for engaging the second positioning posts.
4. The bladeless fan of claim 3, wherein the rear surface of the front housing has a plurality of third positioning posts disposed along an outer edge thereof, the third positioning posts corresponding to the second positioning posts of the rear housing;
and a third positioning groove matched with the third positioning column is arranged on the front surface of the cover body, and the third positioning groove and the second positioning groove are correspondingly arranged.
5. The bladeless fan according to claim 3, wherein a continuous and raised second retaining edge is circumferentially arranged on the front surface of the rear housing corresponding to the inner side of the second positioning column and the outer side of the second annular hole, and the rear opening of the cover body is sealed outside the second retaining edge.
6. The bladeless fan of claim 1, wherein the rear opening of the housing is formed with an outwardly extending abutment lip adapted to fit against the front surface of the rear housing.
7. The bladeless fan according to claim 2, wherein a first annular caulking groove is formed in a front end face of the air outlet ring;
a raised third rib is arranged on the rear surface of the cover body corresponding to the inner side circumference of the third annular hole, and a raised third embedded ring is arranged on the rear surface of the cover body corresponding to the third annular hole;
the front end of the air outlet ring is embedded in an embedded groove formed by enclosing a third convex edge of the cover body, and the third embedded ring is embedded in the first annular embedded groove.
8. The bladeless fan of claim 7, wherein a fourth ring is disposed on the rear surface of the air deflector corresponding to the outer side of the fourth ring hole;
a second annular caulking groove is formed in the front end face of the air outlet ring corresponding to the inner side of the first caulking ring;
the fourth caulking ring is embedded in the second annular caulking groove.
9. The bladeless fan of claim 2, wherein a plurality of raised fourth positioning posts are spaced apart from each other on the rear surface of the air deflector corresponding to the outer side of the fourth annular hole, and a fourth positioning slot matched with the fourth positioning posts is disposed on the front surface of the housing.
10. The bladeless fan of claim 2, wherein a plurality of first positioning posts are spaced from the rear surface of the front housing corresponding to the outer sides of the first annular holes, and the front surface of the air deflector is provided with first positioning grooves matched with the first positioning posts.
11. The bladeless fan of claim 2, wherein a first protruding caulking ring is disposed on the rear surface of the front housing corresponding to the first annular hole, a fourth annular caulking groove is disposed on the front surface of the air deflector, and the first caulking ring is embedded in the fourth annular caulking groove.
12. The bladeless fan according to claim 1, wherein the rear end portion of the air outlet ring has an air inlet portion inclined outward.
13. The bladeless fan of claim 1, wherein the front surface of the cover body is provided with a lamp embedding groove for embedding the lamp strip corresponding to the outer circumference of the third annular hole.
14. The bladeless fan of claim 1, wherein the fan is an axial fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920457284.5U CN210164701U (en) | 2019-04-04 | 2019-04-04 | Bladeless fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920457284.5U CN210164701U (en) | 2019-04-04 | 2019-04-04 | Bladeless fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210164701U true CN210164701U (en) | 2020-03-20 |
Family
ID=69787080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920457284.5U Expired - Fee Related CN210164701U (en) | 2019-04-04 | 2019-04-04 | Bladeless fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210164701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882454A (en) * | 2019-04-04 | 2019-06-14 | 朱文革 | A kind of bladeless fan |
-
2019
- 2019-04-04 CN CN201920457284.5U patent/CN210164701U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882454A (en) * | 2019-04-04 | 2019-06-14 | 朱文革 | A kind of bladeless fan |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3256734B1 (en) | A fan assembly | |
| AU2016217668B2 (en) | A fan | |
| US10041504B2 (en) | Fan | |
| EP3256735B1 (en) | A fan assembly | |
| US10260529B2 (en) | Fan | |
| US20160238039A1 (en) | Fan | |
| US20120219437A1 (en) | Electric blower and electric cleaner using same | |
| CN210164701U (en) | Bladeless fan | |
| RU2415637C1 (en) | Sealing element for fan assembly with motor and fan assembly with motor | |
| KR20200141504A (en) | Robot Cleaner Fan Assembly and Robot Cleaner | |
| CN109882454A (en) | A kind of bladeless fan | |
| US10000105B2 (en) | Ventilation duct for a motor vehicle | |
| JPH04311698A (en) | Motor fan | |
| CN207420921U (en) | A kind of bottom air inlet formula bladeless fan | |
| JP2009030552A (en) | Electric blower | |
| CN210484144U (en) | Portable bladeless fan | |
| CN214366932U (en) | Mounting structure of bladeless fan ring | |
| CN211484368U (en) | Motor front cover body, motor unit and dust collector | |
| CN217207024U (en) | Motor fan cover of dust collector | |
| CN211474464U (en) | Bladeless fan power system and bladeless fan | |
| CN217610895U (en) | Air draft device of floor washing machine and floor washing machine | |
| CN219846383U (en) | Cleaning device and body | |
| CN218493879U (en) | Fan shell, fan subassembly and range hood | |
| CN217029372U (en) | Turbofan assembly | |
| CN214745955U (en) | Bellows structure and lampblack absorber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200320 Termination date: 20210404 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |