CN219197662U - Fan and fan mounting structure comprising same - Google Patents

Fan and fan mounting structure comprising same Download PDF

Info

Publication number
CN219197662U
CN219197662U CN202123090906.1U CN202123090906U CN219197662U CN 219197662 U CN219197662 U CN 219197662U CN 202123090906 U CN202123090906 U CN 202123090906U CN 219197662 U CN219197662 U CN 219197662U
Authority
CN
China
Prior art keywords
hole
shell
fan
plug
limit
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.)
Active
Application number
CN202123090906.1U
Other languages
Chinese (zh)
Inventor
何果
李�诚
石熙恒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Snowfan Technology Co ltd
Original Assignee
Shenzhen Snowfan Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Snowfan Technology Co ltd filed Critical Shenzhen Snowfan Technology Co ltd
Priority to CN202123090906.1U priority Critical patent/CN219197662U/en
Application granted granted Critical
Publication of CN219197662U publication Critical patent/CN219197662U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The application relates to a fan and a fan mounting structure comprising the fan, and belongs to the technical field of fans, wherein the fan comprises a first shell, a second shell and an impeller assembly for blowing, and the impeller assembly is arranged between the first shell and the second shell; the first shell is provided with a plug-in assembly, and a limit bump is arranged on the side surface of one end, far away from the first shell, of the plug-in assembly; the plug-in components are provided with a plurality of, are provided with a plurality of locating holes on the second casing, and a plurality of plug-in components can correspond simultaneously and peg graft in a plurality of locating holes, and spacing lug is pegged graft in spacing downthehole. The present application has the effect of improving the problem that the housing of the fan is difficult to disassemble.

Description

Fan and fan mounting structure comprising same
Technical Field
The present disclosure relates to fans, and particularly to a fan and a fan mounting structure including the same.
Background
As one kind of radial fan, the blades of the turbofan are vertical to the rotating surface and are in annular arrangement, air enters the space surrounded by the annular blades axially, is transversely thrown out by the centrifugal effect driven by the rotation of the blades, forms a vortex-shaped scattered airflow at the periphery of the blades, is guided by the outer frame, and is blown out tangentially from an opening at one side. The turbofan adopts centrifugal flow guide, so that the turbulence of air flow is obviously reduced, and the noise value is also greatly reduced compared with that of an axial flow fan.
The related turbofan comprises a motor, an impeller and a shell, wherein the motor and the impeller are arranged in the shell, the shell comprises an installation shell for installing the motor and the impeller and an air outlet shell for guiding flow, the motor and the impeller are arranged on the installation shell, and the installation shell and the air outlet shell are mutually buckled and then fixed through bolts.
With respect to the related art described above, the inventor believes that the turbo fan may suck the foreign matters into the housing during use, and the internal sealing of the turbo fan is good, so that the foreign matters are difficult to be cleaned from the outside, and the installation housing and the air outlet housing fixed by the bolts are difficult to be disassembled without tools, thus increasing the difficulty of cleaning the inside of the fan, and thus, the improvement is desired.
Disclosure of Invention
In order to solve the problem that a housing of a fan is difficult to detach, the application provides a fan and a fan mounting structure comprising the fan.
In a first aspect, the present application provides a fan, which adopts the following technical scheme:
a fan comprises a first shell, a second shell and an impeller assembly for blowing air, wherein the impeller assembly is arranged between the first shell and the second shell;
the first shell is provided with a plug-in component which can elastically deform, one end of the plug-in component is fixedly arranged on the first shell, and a side surface of one end of the plug-in component, which is far away from the first shell, is provided with a limit bump; the plurality of plug-in components are circumferentially arranged and uniformly distributed at intervals; two limiting lugs in the two mutually-far plug-in components are respectively positioned on two mutually-far side surfaces of the two plug-in components;
the second shell is provided with a positioning hole, the hole wall of the positioning hole is provided with a limiting hole, and the limiting hole is communicated with the positioning hole and a space outside the second shell; the positioning holes are formed in a plurality, the plug-in components can be correspondingly plugged in the positioning holes at the same time, and when the plug-in components are plugged in the positioning holes, the limit protruding blocks are plugged in the limit holes; the plug-in assembly is provided with one side face of the limit lug and one side wall of the locating hole, which is provided with the limit hole, are abutted, and a gap is reserved between one side of the plug-in assembly, which is far away from the limit lug, and one side wall of the locating hole, which is far away from the limit hole.
By adopting the technical scheme, the plug-in component is plugged in the positioning hole, the limiting protruding block on the plug-in component is plugged in the limiting hole, and the limiting protruding block limits the plug-in component to slide in the positioning hole, so that the first shell and the second shell are limited to move in the direction away from each other; the two mutually-far-away plug-in components are mutually matched, so that the two mutually-far-away side surfaces of the two plug-in components are respectively abutted with the side walls of the two positioning holes provided with the limiting holes, and the limiting protruding blocks are limited to slide out of the limiting holes, so that the first shell and the second shell are fixedly connected; because spacing hole intercommunication locating hole and the outside space of second casing, only need release spacing lug to the direction that is close to first casing spacing groove to make grafting subassembly take place elastic deformation, can release spacing lug and to the fixed restriction between grafting subassembly and the locating hole, grafting subassembly pulls out from the locating hole, thereby separates first casing and second casing.
Optionally, the plugging component comprises a fixing piece arranged on the first shell and an elastic plugging piece arranged on the fixing piece, and the elastic plugging piece is used for being plugged in the positioning hole; the limiting projection is arranged at one end of the elastic plug connector, which is far away from the fixing piece; the fixing piece is provided with a through hole, the through hole penetrates through the first shell, and the through hole is communicated with the positioning hole.
Through adopting above-mentioned technical scheme, on the one hand the setting of through-hole has reduced the use amount of grafting subassembly material on the mounting, on the other hand, through-hole and locating hole intercommunication each other can run through-hole and locating hole and set up bolt or blind rivet, with this application whole fixed mounting on mounting bracket or other mounting planes, need not to set up the part that is used for installing the bolt additional on first casing or second casing in addition, make overall structure simpler.
Optionally, the elastic plug connector is disposed at a side of the hole edge of the through hole, which is close to the limiting hole, and the elastic plug connector is disposed along the arc shape of the hole edge of the through hole.
Through adopting above-mentioned technical scheme, under the same condition of elastic plug connector volume, the elastic plug connector that the arc set up compares in elastic plug connector straightly and sets up intensity bigger, when promoting spacing lug to the direction motion that is close to first casing, elastic plug connector produces deformation difficult fracture.
Optionally, the radian range of the elastic plug connector is between 0.5 pi and 1 pi radians.
By adopting the technical scheme, under the premise of certain other conditions, if the radian of the elastic plug connector is smaller than 0.5 pi radian, the volume of the elastic plug connector is too small, and the elastic plug connector is easy to break due to elastic deformation; if the radian of the elastic plug connector is larger than 1 pi radian, the volume of the elastic plug connector is overlarge, and the elastic plug connector is difficult to deform due to overlarge strength, so that the limit lug is difficult to push out from the limit hole; the elastic plug connector between 0.5 pi and 1 pi radian can be easily elastically deformed while ensuring certain strength and not easy to break, so that the limit lug is conveniently pushed out of the limit hole.
Optionally, the fixing piece includes a fixing portion disposed on the first housing and a stabilizing portion fixedly disposed on the fixing portion, the through hole is disposed on the fixing portion, the stabilizing portion is disposed at an orifice edge of the through hole, and the elastic plug connector is disposed on the stabilizing portion; the side surface of the stabilizing part is abutted with the hole wall of the positioning hole.
Through adopting above-mentioned technical scheme, when the elastic plug connector grafting in the locating hole, because the side of stabilizer is the relation of butt with the pore wall of locating hole for the grafting subassembly is difficult for rocking back and forth relative second casing, has improved grafting subassembly and locating hole grafting complex stability.
Optionally, the thickness of the limiting bump is gradually reduced along a direction away from the fixing piece.
By adopting the technical scheme, on one hand, the side surface of one side of the limiting lug, which is far away from the elastic plug connector, forms an inclined guide surface, so that the plug connector assembly is not easy to be blocked by the limiting lug in the process of being inserted into the positioning hole; on the other hand, the one end that spacing lug is close to the mounting is bigger with spacing hole one side pore wall area of contact that is close to the mounting, and the motion of second casing direction is kept away from to the more easy restriction first casing.
In a second aspect, the present application provides a fan installation structure, which adopts the following technical scheme:
a fan mounting structure includes a fan.
Further, the fan mounting structure further comprises a mounting frame and a fastening piece; the fastener is provided with a plurality of, the fastener runs through simultaneously the locating hole the grafting subassembly with the mounting bracket, the one end of fastener with the mounting bracket is kept away from one side butt of fan, the other end of fastener with the fan is kept away from one side butt of mounting bracket.
By adopting the technical scheme, on one hand, the fan is fixed on the mounting frame at the position where the first shell and the second shell of the fan are directly inserted and fixed by the fastening piece, and the fan does not need to be additionally provided with a component for fastening the fastening piece, so that the whole structure is simpler and more compact; on the other hand, the fastener plays a role in secondarily fixing the first shell and the second shell of the fan, so that the first shell and the second shell are not easy to separate from each other, and the stability of the whole structure is enhanced.
In summary, the present application includes at least one of the following beneficial technical effects:
the first shell and the second shell are convenient to mount and dismount;
the whole structure is more compact and simpler;
the elastic plug connector has certain strength and is not easy to break when being easy to elastically deform.
Drawings
Fig. 1 is a schematic structural view of a fan according to the present application.
Fig. 2 is a schematic view of an exploded view of a plug assembly for a fan according to the present application.
Fig. 3 is an enlarged schematic view of the position of the plug assembly in the fan of the present application.
Fig. 4 is a schematic view of an explosion structure for highlighting the positioning hole and the limiting hole in the fan of the present application.
Fig. 5 is a schematic structural view of a fan mounting structure of the present application.
Reference numerals illustrate: 1. a first housing; 2. a second housing; 21. positioning holes; 22; a limiting hole; 3. an impeller assembly; 4. a plug assembly; 41. a fixing member; 411. a through hole; 412. a fixing part; 413. a stabilizing section; 42. an elastic plug-in connector; 43. a limit bump; 5. a mounting frame; 6. a fastener.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
Example 1.
The embodiment of the application discloses a fan.
Referring to fig. 1, the fan includes a first housing 1, a second housing 2, and an impeller assembly 3 for blowing air; the impeller assembly 3 is fixedly disposed on the first casing 1, the first casing 1 is detachably disposed on the second casing 2, and the impeller assembly 3 is disposed inside the second casing 2.
Referring to fig. 2, four plugging components 4 capable of undergoing elastic deformation are fixedly arranged on the first housing 1, the four plugging components 4 and the impeller component 3 are located on the same side of the first housing 1, and the four plugging components 4 are circumferentially distributed and uniformly arranged at intervals at the edge of the surface of the first housing 1.
Referring to fig. 2 and 3, the plugging assembly 4 includes a fixing member 41 integrally and fixedly connected to the first housing 1, and an elastic plugging member 42 fixedly arranged on the fixing member 41, wherein a through hole 411 is formed in the fixing member 41, and the through hole 411 penetrates through the first housing 1; the elastic plug connectors 42 are arranged at the edges of the holes of the through holes 411, and two elastic plug connectors 42 in two plug assemblies 4 which are far away from each other are positioned at two sides of the holes of the two through holes 411 which are far away from each other, and the length direction of the elastic plug connectors 42 is perpendicular to the plane of the first shell 1; the elastic plug-in piece 42 is provided with a limit bump 43 at one end far away from the fixing piece 41, and the limit bump is arranged at one side of the elastic plug-in piece 42 far away from the through hole 411.
Referring to fig. 4, four positioning holes 21 are formed in the edge of the second housing 2 corresponding to the plugging assembly 4 on the first housing 1, a limiting hole 22 is formed in the wall of the positioning hole 21, and the limiting hole 22 is communicated with the positioning hole 21 and the space outside the second housing 2; the four elastic plug connectors 42 are correspondingly inserted into the four positioning holes 21 respectively, the limiting protruding blocks 43 on the elastic plug connectors 42 are inserted into the limiting holes 22, one side surface of the elastic plug connectors 42 provided with the limiting protruding blocks 43 is in butt joint with the hole wall of one side of the positioning holes 21 provided with the limiting holes 22, and a gap is reserved between one side of the elastic plug connectors 42 away from the limiting protruding blocks 43 and one side wall of the positioning holes 21 away from the limiting holes 22.
Referring to fig. 1 and 4, the four plugging components 4 are mutually matched in pairs to limit the limiting protruding blocks 43 in the limiting holes 22, and the limiting protruding blocks 43 limit the first shell 1 and the second shell 2 to be far away from each other, so that the first shell 1 and the second shell 2 are fixed; the limiting lug 43 is pushed out of the limiting hole 22 to enable the elastic plug connector 42 to elastically deform, and the limiting lug 43 cancels the limiting effect on the first shell 1 and the second shell 2, so that the first shell 1 and the second shell 2 can be separated.
Referring to fig. 2 and 3, the fixing member 41 includes a fixing portion 412 integrally fixedly provided on the first housing 1 and a stabilizing portion 413 fixedly provided on the fixing portion 412, the through hole 411 is provided on the fixing portion 412, the stabilizing portion 413 is annularly provided around an orifice edge of the through hole 411, and the elastic plug member 42 is fixedly provided on the stabilizing portion 413; when the elastic plug connector 42 is plugged into the positioning hole 21, the stabilizing part 413 is abutted against the inner wall of the positioning hole 21, and the through hole 411 arranged on the fixing part 412 is communicated with the positioning hole 21; the arrangement of the stabilizing part 413 ensures that the plug assembly 4 is not easy to shake back and forth relative to the second shell 2, and improves the stability of plug fit of the plug assembly 4 and the positioning hole 21; bolts or blind rivets can be arranged through the through holes 411 and the positioning holes 21, so that the fan is integrally and fixedly arranged on other mounting planes, and components for additionally mounting bolts are not required to be additionally arranged on the first shell 1 or the second shell 2, so that the whole structure is more compact and simpler.
Referring to fig. 3, the cross-sectional shape of the elastic plug 42 is arc-shaped and is concentric with the through hole 411, and the arc-shaped arrangement can increase the strength of the elastic plug 42, so that the elastic plug 42 is not easy to break when being elastically deformed in the process of pushing the limit bump 43 out of the limit hole 22; in this embodiment, the radian of the elastic plug 42 is 0.8 pi radian, and the radian of 0.8 pi ensures that the elastic plug 42 is not easy to break while having a certain strength, and can be elastically deformed easily, so that the limit bump 43 can be pushed out of the limit hole 22 conveniently; in other embodiments, the resilient plug 42 may have an arc of 0.5 pi, 0.6 pi, 0.7 pi, or 0.9 pi, based on an arc of 0.5 pi-1 pi.
Referring to fig. 3, the thickness of the limiting bump 43 gradually decreases along the direction away from the fixing element 41, and a side surface of the limiting bump 43 away from the elastic plug element 42 forms an inclined guiding surface, so that the plug assembly 4 is not easily blocked by the limiting bump 43 in the process of being inserted into the positioning hole 21; meanwhile, the contact area between one end of the limiting projection 43, which is close to the fixing piece 41, and the hole wall of one side of the limiting hole 22, which is close to the fixing piece 41, is larger, so that the movement of the first shell 1 in the direction away from the second shell 2 is more easily limited.
The implementation principle of the embodiment 1 is as follows: the four plug-in components 4 are correspondingly plugged in the four positioning holes 21 respectively, and the limit lugs 43 on the plug-in components 4 are plugged in the limit holes 22, so that the first shell 1 and the second shell 2 are fixedly connected; because spacing hole 22 intercommunication locating hole 21 and the outside space of second casing 2, only need release spacing lug 43 to being close to the direction of first casing 1 spacing groove to make grafting subassembly 4 take place elastic deformation, can release spacing lug 43 to the fixed restriction between grafting subassembly 4 and the locating hole 21, grafting subassembly 4 is pulled out from locating hole 21, thereby separates first casing 1 and second casing 2, compares bolt connection dismouting labour saving and time saving.
Example 2.
The embodiment of the application discloses a fan mounting structure.
Referring to fig. 4 and 5, the fan mounting structure includes a mounting bracket 5, the fan disclosed in embodiment 1, and four fasteners 6, a side surface of the fan, which is far away from the second housing 2, of the first housing 1 is abutted on the supporting frame; in this embodiment, the fastener 6 is a rubber blind rivet, and the rubber blind rivet penetrates through the through hole 411, the positioning hole 21 and the mounting frame 5 at the same time, and two limiting ends of the rubber blind rivet are respectively abutted against one side surface of the mounting frame 5 away from the fan and the second housing 2, so that the fan is fixed on the mounting frame 5, and a component for fastening the fastener 6 is not required to be additionally arranged on the fan, so that the whole structure is simpler and more compact; meanwhile, the fastener 6 plays a role in secondarily fixing the first casing 1 and the second casing 2 of the fan, and stability of the overall structure is enhanced. In other embodiments, the fastener 6 may be a bolt or a rivet, so long as the fan can be fixed on the support frame through the through hole 411, the positioning hole 21 and the mounting frame 5.
The implementation principle of the embodiment 2 is as follows: punching is carried out on the mounting frame 5, the rubber blind rivet penetrates through the mounting frame 5 and sequentially penetrates through the through hole 411 and the positioning hole 21, two limiting ends of the rubber blind rivet are respectively abutted to the mounting frame 5 and the second shell 2, and therefore the fan is fixed on the mounting frame 5.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. A fan, characterized in that: the air blower comprises a first shell (1), a second shell (2) and an impeller assembly (3) for blowing air, wherein the impeller assembly (3) is arranged between the first shell (1) and the second shell (2);
the novel socket comprises a first shell (1), and is characterized in that a socket component (4) is arranged on the first shell (1), the socket component (4) can elastically deform, one end of the socket component (4) is fixedly arranged on the first shell (1), and a limit lug (43) is arranged on the side surface of one end, far away from the first shell (1), of the socket component (4); the plurality of the plug-in components (4) are arranged, and the plurality of the plug-in components (4) are circumferentially arranged and uniformly distributed at intervals; two limiting lugs (43) in the two plug-in components (4) which are far away from each other are respectively positioned on two side surfaces of the two plug-in components (4) which are far away from each other;
a positioning hole (21) is formed in the second shell (2), a limiting hole (22) is formed in the hole wall of the positioning hole (21), and the limiting hole (22) is communicated with the positioning hole (21) and a space outside the second shell (2); the positioning holes (21) are formed in a plurality, the plug-in components (4) can be correspondingly plugged in the positioning holes (21) at the same time, and when the plug-in components (4) are plugged in the positioning holes (21), the limit protruding blocks (43) are plugged in the limit holes (22); the plug-in assembly (4) is provided with one side face of the limit lug (43) and one side wall butt of the locating hole (21) provided with the limit hole (22), one side of the plug-in assembly (4) away from the limit lug (43) and one side wall of the locating hole (21) away from the limit hole (22) are provided with gaps.
2. A fan as claimed in claim 1, wherein: the plug-in assembly (4) comprises a fixing piece (41) arranged on the first shell (1) and an elastic plug-in piece (42) arranged on the fixing piece (41), wherein the elastic plug-in piece (42) is used for being plugged in the positioning hole (21); the limiting projection (43) is arranged at one end of the elastic plug connector (42) away from the fixing piece (41); the fixing piece (41) is provided with a through hole (411), the through hole (411) penetrates through the first shell (1), and the through hole (411) is communicated with the positioning hole (21).
3. A fan as claimed in claim 2, wherein: the elastic plug connector (42) is arranged on one side, close to the limit hole (22), of the hole opening edge of the through hole (411), and the elastic plug connector (42) is arranged in an arc shape along the hole opening edge of the through hole (411).
4. A fan as claimed in claim 3, wherein: the elastic plug-in piece (42) has an arc range of 0.5 pi-1 pi radians.
5. A fan as claimed in claim 2, wherein: the fixing piece (41) comprises a fixing part (412) arranged on the first shell (1) and a stabilizing part (413) fixedly arranged on the fixing part (412), the through hole (411) is arranged on the fixing part (412), the stabilizing part (413) is arranged at the edge of the hole opening of the through hole (411), and the elastic plug connector (42) is arranged on the stabilizing part (413); the side surface of the stabilizing part (413) is abutted against the hole wall of the positioning hole (21).
6. A fan as claimed in claim 2, wherein: the limiting projection (43) gradually reduces in thickness along a direction away from the fixing piece (41).
7. A fan mounting structure, characterized in that: comprising a fan according to any of the claims 1-6.
8. The fan mounting structure of claim 7, wherein: the fan mounting structure also comprises a mounting rack (5) and a fastening piece (6); the utility model discloses a fan, including mounting bracket (5), locating hole (21), grafting subassembly (4) and mounting bracket (5), fastener (6) are provided with a plurality ofly, fastener (6) run through simultaneously locating hole (21) grafting subassembly (4) with one end of fastener (6) with one side butt of fan is kept away from to mounting bracket (5), the other end of fastener (6) with one side butt of fan is kept away from mounting bracket (5).
CN202123090906.1U 2021-12-09 2021-12-09 Fan and fan mounting structure comprising same Active CN219197662U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123090906.1U CN219197662U (en) 2021-12-09 2021-12-09 Fan and fan mounting structure comprising same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123090906.1U CN219197662U (en) 2021-12-09 2021-12-09 Fan and fan mounting structure comprising same

Publications (1)

Publication Number Publication Date
CN219197662U true CN219197662U (en) 2023-06-16

Family

ID=86727687

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123090906.1U Active CN219197662U (en) 2021-12-09 2021-12-09 Fan and fan mounting structure comprising same

Country Status (1)

Country Link
CN (1) CN219197662U (en)

Similar Documents

Publication Publication Date Title
US5208730A (en) Computer cooling fan vibration isolation apparatus
EP3879113B1 (en) Oblique flow booster fan
WO2019227659A1 (en) Fan assembly of floor sweeping robot and floor sweeping robot
CN103334960B (en) A kind of top suction type ventilation fan
CN109282359A (en) A kind of fixed plate component structure of spiral case and air-cooled ducted air conditioner
CN219197662U (en) Fan and fan mounting structure comprising same
CN114616426B (en) Diffuser, diffuser assembly and air conditioner having the same
WO2008147981A2 (en) Centrifugal air blower
CN213711378U (en) Low-noise axial flow fan
CN212274097U (en) Volute component and air conditioner
CN218978775U (en) Air duct structure and sweeping robot
CN220566260U (en) Fan subassembly and air conditioner
CN215719849U (en) Net cover structure and electric fan with same
CN211119943U (en) Shell assembly of air conditioner and air conditioner
CN218493879U (en) Fan shell, fan subassembly and range hood
CN113623724B (en) Volute component and air conditioner
CN218328623U (en) Shell component and rotary dehumidifier
CN220581345U (en) Volute structure and air conditioner
CN219809154U (en) Noise reduction fan convenient to maintain
CN214841178U (en) Air conditioner indoor unit and air conditioner
CN219318557U (en) Dehumidifier
CN220566288U (en) Impeller, centrifugal fan and range hood
CN213711429U (en) Volute component and ducted air conditioner device
CN213899393U (en) Draught fan convenient to maintain
CN217402622U (en) Range hood condensation plate mounting structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant