CN206478739U - A kind of ducting assembly - Google Patents

A kind of ducting assembly Download PDF

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Publication number
CN206478739U
CN206478739U CN201720052900.XU CN201720052900U CN206478739U CN 206478739 U CN206478739 U CN 206478739U CN 201720052900 U CN201720052900 U CN 201720052900U CN 206478739 U CN206478739 U CN 206478739U
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China
Prior art keywords
motor
air
screw
fixed
ducting
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Active
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CN201720052900.XU
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Chinese (zh)
Inventor
蔡序杰
钟志尧
杨彤
周何杰
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.)
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea Refrigeration Equipment Co Ltd
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Priority to CN201720052900.XU priority Critical patent/CN206478739U/en
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Publication of CN206478739U publication Critical patent/CN206478739U/en
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Abstract

The utility model is related to field of air conditioning, more particularly to a kind of ducting assembly.Including wind wheel, motor and stator blade, motor is fixedly installed on the middle part of stator blade, and wind wheel is fixed and is set on the output shaft of motor;Wind wheel includes movable vane piece, wheel hub and installing plate, and wheel hub is fixedly installed in the middle part of installing plate inlet air side surface, and adjacent two side of movable vane piece is fixedly connected with wheel hub and installing plate respectively, and the output shaft of motor is fixedly connected through installing plate with wheel hub;One end that movable vane piece inlet air direction side is connected with wheel hub is bent along direction of rotation.When wind wheel is rotated, movable vane piece follows rotation, after movable vane piece and air contact, movable vane piece drives air to rotate together, because movable vane piece inlet air direction side is bent with one end that the wheel hub is connected along direction of rotation, and air will not dissipate from inlet air effluent, movable vane piece is by air by wheel hub side edge compression laterally, air flows to air side between installing plate and the outer wall of stator blade, considerably increases the total amount of movable vane piece compressed air, it is ensured that air output.

Description

A kind of ducting assembly
Technical field
The utility model is related to field of air conditioning, more particularly to a kind of ducting assembly.
Background technology
At present, in existing floor air conditioner, most of is to use centrifugal blower and volute structure, and by centrifugal blower and Volute structure is arranged on the bottom of air-conditioning, and air-flow is sent to by centrifugal blower at the heat exchanger being obliquely installed of top, then After the heat exchange of over-heat-exchanger, interior is expelled to by the air outlet of air-conditioning, refrigeration and the function of heating is realized.
With the development of air-conditioning technical, the air conditioner room unit that centrifugal wind wheel is replaced with to tubular wine wheel is occurred in that.And pass through Stream wind wheel is in the rising stage in the application of indoor apparatus of air conditioner, and Duct design of the tubular wine wheel in air conditioner casing is also in design In the stage, therefore it provides a kind of air channel for being adapted to tubular wine wheel is extremely urgent, and the combination of air channel and tubular wine wheel typically will Tubular wine wheel is designed in air channel, and designs air inlet and air outlet in air channel, and air-flow is under the promotion of tubular wine wheel, then ties The effect of wind path wall is closed, air-flow is discharged by the air outlet in air channel, and the air-flow discharged directly is arranged under the guiding of air guiding wall Go out, have the shortcomings that air quantity is small and noise is big.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of ducting assembly, solves the problem of air quantity is small.
The technical scheme that the utility model solves above-mentioned technical problem is as follows:A kind of ducting assembly, including wind wheel, motor and Stator blade, the motor is fixedly installed on the middle part of the stator blade, and the wind wheel is fixed and is set on the output shaft of the motor;
The wind wheel includes movable vane piece, wheel hub and installing plate, and the wheel hub is fixedly installed on the installing plate inlet air side table Middle face, adjacent two side of the movable vane piece is fixedly connected with the wheel hub and the installing plate respectively, the motor it is defeated Shaft is fixedly connected through the installing plate with the wheel hub;
The movable vane piece inlet air direction side is bent with one end that the wheel hub is connected along direction of rotation.
Further, the stator blade includes motor fixed part, stator blade and air-ducting ring fixed part, the air-ducting ring fixed part set Be located at the outside of the motor fixed part, the two ends of the stator blade respectively with the inner surface of the air-ducting ring fixed part and described The outer surface of motor fixed part is fixedly connected, and the motor is fixedly installed in the motor fixed part.
Further, motor cover is provided between the motor and the wind wheel, the motor cover be located in the motor Output end, the output shaft of the motor is through motor cover middle part, and the motor cover is detachably connected with motor fixed part.
Further, it is provided with the first screw via and the first positioning hole, the motor fixed part and sets in the motor cover It is equipped with the second screw via and the first locating dowel, the first positioning hole grafting described in first locating dowel, the first screw mistake Hole and the second screw via are detachably connected by screw.
Further, it is provided with equally distributed air vent in the motor cover.
Further, the installing plate is provided with motor shaft mounting hole in air side center position, and the motor shaft is installed Hole and the output shaft grafting of the motor.
Further, the motor shaft mounting hole surrounding is provided with strengthening part, the strengthening part respectively with the motor Axle mounting hole is fixedly connected with the installing plate.
Further, the inlet air side of the air-ducting ring fixed part is provided with air-ducting ring, and the air-ducting ring be located in the wind wheel Inlet air side, the air-ducting ring is detachably connected with the air-ducting ring fixed part.
Further, it is provided with the air-ducting ring on the 3rd screw via and the second positioning hole, the air-ducting ring fixed part It is provided with the 4th screw via and the second locating dowel, second locating dowel and the second positioning hole grafting, the 3rd spiral shell Nail via and the 4th screw via are detachably connected by screw.
Further, the air-ducting ring is tubulose, and the air-ducting ring centre position is inwardly protruding.
Further, the motor fixed part air side is provided with motor shrouding, and the motor shrouding is fixedly installed on described The air side of motor fixed part.
Further, it is provided with the motor shrouding on the 5th screw via, the motor fixed part and is provided with the 6th spiral shell Via is followed closely, the 5th screw via is detachably connected with the 6th screw via by screw.
The utility model provides a kind of ducting assembly, including wind wheel, motor and stator blade, and the motor is fixedly installed on described The middle part of stator blade, the wind wheel is fixed and is set on the output shaft of the motor;
The wind wheel includes movable vane piece, wheel hub and installing plate, and the wheel hub is fixedly installed on the installing plate inlet air side table Middle face, adjacent two side of the movable vane piece is fixedly connected with the wheel hub and the installing plate respectively, the motor it is defeated Shaft is fixedly connected through the installing plate with the wheel hub;
The movable vane piece inlet air direction side is bent with one end that the wheel hub is connected along direction of rotation.
So, when motor is obtained it is electric when, the output shaft of motor starts to rotate, and is fixed due to wind wheel wind wheel and is set in the motor Output shaft on, output shaft drives wind wheel to rotate, and wind wheel drives air around it to be compressed to stator blade direction, because wind wheel includes Movable vane piece, wheel hub and installing plate, and movable vane piece inlet air direction side bends with one end that the wheel hub is connected along direction of rotation, When wind wheel is rotated, movable vane piece is followed after rotation, movable vane piece and air contact, and movable vane piece drives air to rotate together, due to movable vane One end that piece inlet air direction side is connected with the wheel hub is bent along direction of rotation, and air will not dissipate from inlet air effluent, movable vane piece By air by wheel hub side edge compression laterally, air flows to air side between installing plate and the outer wall of stator blade, increased The total amount of movable vane piece compressed air is added, it is ensured that air output.What the utility model had in terms of existing technologies is a little: Add the total amount of movable vane piece compressed air, it is ensured that air output.
Brief description of the drawings
Fig. 1 is the overall structure diagram of ducting assembly of the present utility model;
Fig. 2 is the schematic cross-section of ducting assembly of the present utility model;
Fig. 3 is ducting assembly configuration schematic diagram of the present utility model;
Fig. 4 is ducting assembly configuration schematic diagram of the present utility model;
Fig. 5 is ducting assembly air guide ring structure schematic diagram of the present utility model;
Fig. 6 is ducting assembly wind wheel structure schematic diagram of the present utility model;
Fig. 7 is the structural representation of ducting assembly motor cover of the present utility model;
Fig. 8 is ducting assembly motor closing plate structure schematic diagram of the present utility model;
Fig. 9 is ducting assembly stator blade structural representation of the present utility model;
Figure 10 is ducting assembly stator blade structural representation of the present utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
1st, air-ducting ring, the 1.1, the 3rd screw via, the 1.2, second positioning hole, 2, wind wheel, 2.1, motor shaft mounting hole, 3, electricity Cover, the 3.1, first screw via, the 3.2, first positioning hole, 4, motor, 5, stator blade, the 5.1, second screw via, 5.2, first Locating dowel, the 5.3, the 4th screw via, the 5.4, second locating dowel, the 5.5, the 5th screw via, 6, motor shrouding, the 6.1, the 6th spiral shell Follow closely via.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality It is new, it is not intended to limit scope of the present utility model.
As shown in Fig. 1-Figure 10, the utility model provides a kind of ducting assembly, including wind wheel 2, motor 4 and stator blade 5, described Motor 4 is fixedly installed on the middle part of the stator blade 5, and the wind wheel 2 is fixed and is set on the output shaft of the motor 4;
The wind wheel 2 includes movable vane piece, wheel hub and installing plate, and the wheel hub is fixedly installed on the installing plate inlet air side table Middle face, adjacent two side of the movable vane piece is fixedly connected with the wheel hub and the installing plate respectively, the motor 4 it is defeated Shaft is fixedly connected through the installing plate with the wheel hub;
The movable vane piece inlet air direction side is bent with one end that the wheel hub is connected along direction of rotation.
So, when motor 4 must be electric, the output shaft of motor 4 starts to rotate, and is fixed due to wind wheel 2 and is set in the motor 4 Output shaft on, output shaft drive wind wheel 2 rotate, wind wheel 2 drive its around air to the direction of stator blade 5 compress because wind wheel 2 Including movable vane piece, wheel hub and installing plate, and one end that movable vane piece inlet air direction side is connected with the wheel hub is curved along direction of rotation Folding, when wind wheel 2 is rotated, movable vane piece is followed after rotation, movable vane piece and air contact, and movable vane piece drives air to rotate together, by Bent in movable vane piece inlet air direction side with one end that the wheel hub is connected along direction of rotation, air will not dissipate from inlet air effluent, Movable vane piece is by air by wheel hub side edge compression laterally, and air flows to air side between the outer wall of installing plate and stator blade 5, Considerably increase the total amount of movable vane piece compressed air, it is ensured that air output.What the utility model had in terms of existing technologies It is a little:Add the total amount of movable vane piece compressed air, it is ensured that air output.
Ducting assembly of the present utility model, as shown in Fig. 1-Figure 10, may be used also on the basis of previously described technical scheme To be:The stator blade 5 includes motor fixed part, stator blade and air-ducting ring fixed part, and the air-ducting ring fixed part is set in described The outside of motor fixed part, the inner surface and the motor of the two ends of the stator blade respectively with the air-ducting ring fixed part is fixed The outer surface in portion is fixedly connected, and the motor 4 is fixedly installed in the motor fixed part.So, stator blade 5 is fixed including motor Portion, stator blade and air-ducting ring fixed part, when motor 4 obtains electric, the output shaft of motor 4 starts to rotate, and is fixed and is set in due to wind wheel 2 On the output shaft of the motor 4, output shaft drives wind wheel 2 to rotate, and wind wheel 2 drives the air around it to be compressed to the direction of stator blade 5, When wind wheel 2 is rotated, movable vane piece is followed after rotation, movable vane piece and air contact, and movable vane piece drives air to rotate together, due to dynamic One end that blade inlet air direction side is connected with the wheel hub is bent along direction of rotation, and air will not dissipate from inlet air effluent, movable vane Piece is by air by wheel hub side edge compression laterally, and air flows to air side between the outer wall of installing plate and stator blade 5, works as pressure Air after contracting is rotated into the passage that motor fixed part is formed with air-ducting ring fixed part, because motor fixed part and wind-guiding Stator blade is provided between circle fixed part, stator blade can prevent air from rotating, prevents air rotation and motor fixed part or wind-guiding Enclose fixed part friction and produce air vibration, so as to prevent to produce noise;Stator blade prevents air from rotating, and air flow slows down, had Effect prevents the generation of vortex, further prevents the generation of noise.Further preferred technical scheme is:The motor 4 with it is described Motor cover 3 is provided between wind wheel 2, the motor cover 3 be located in the output end of the motor 4, and the output shaft of the motor 4 is worn The middle part of motor cover 3 is crossed, the motor cover 3 is detachably connected with motor fixed part.So, motor 4 and the wind wheel 2 it Between be provided with motor cover 3, motor cover 3 be located in the output end of motor 4, when motor 4 works, motor 4 drive wind wheel 2 rotate, In rotation process, it is easy to motor 4 itself is vibrated, on the one hand the vibration of motor 4 can destroy the Stability Analysis of Structures of motor 4 Property, its service life is influenceed, on the other hand, the vibration of motor 4 can also produce noise, motor 4 is fixed by motor cover 3, Effectively prevent motor 4 from vibrating, the service life and reduction noise of motor 4 is effectively ensured.Further preferred technical scheme is: It is provided with the motor cover 3 on first screw via 3.1 and the first positioning hole 3.2, the motor fixed part and is provided with second The locating dowel 5.2 of screw via 5.1 and first, first locating dowel 5.2 and the grafting of the first positioning hole 3.2, described first Screw via 3.1 and the second screw via 5.1 are detachably connected by screw.So, by setting in motor cover 3 One screw via 3.1, coordinates the second screw via 5.1 on motor fixed part, by screw by the first screw via 3.1 and the Two screw vias 5.1 are attached so that motor cover 3 is detachably connected with motor fixed part, convenient maintenance and replacing;By First positioning hole 3.2 is set in motor cover 3, the first locating dowel 5.2 is set on the motor fixed part, by the first locating dowel 5.2 and the grafting of the first positioning hole 3.2, quick positioning is realized, it is convenient to install, save working time and labour.
Ducting assembly of the present utility model, as shown in Fig. 1-Figure 10, may be used also on the basis of previously described technical scheme To be:Equally distributed air vent is provided with the motor cover 3.So, in the course of work of motor 4, the rotor of motor 4 is fast Speed is rotated, it is easy to high temperature is produced, if the heat of motor 4 can not be dispersed in time, it is easy to burn motor 4, so in motor cover 3 On be provided with equally distributed air vent, air can be circulated in air vent, and air and motor 4 fully contact to be entered for motor 4 Row radiating, so as to ensure the service life of motor 4.
Ducting assembly of the present utility model, as shown in Fig. 1-Figure 10, may be used also on the basis of previously described technical scheme To be:The installing plate is provided with motor shaft mounting hole 2.1 in air side center position, the motor shaft mounting hole 2.1 with The output shaft grafting of the motor 4.So, air side center position is provided with motor shaft mounting hole 2.1 in installing plate, will Motor shaft mounting hole 2.1 is connected with the output shaft of motor 4, effectively the position of wind wheel 2 can be defined, be prevented installing plate Occurs friction phenomenon with motor 4, so as to avoid the generation of noise.Further preferred technical scheme is:The motor shaft is installed The surrounding of hole 2.1 is provided with strengthening part, and the strengthening part is fixed with the motor shaft mounting hole 2.1 and the installing plate respectively Connection.The surrounding of motor shaft mounting hole 2.1 is provided with strengthening part, can be effectively at the position of lifting motor axle mounting hole 2.1 Structural strength, so as to lift the overall structure stability of wind wheel 2.
Ducting assembly of the present utility model, as shown in Fig. 1-Figure 10, may be used also on the basis of previously described technical scheme To be:The inlet air side of the air-ducting ring fixed part is provided with air-ducting ring 1, and the air-ducting ring 1 be located in the inlet air of the wind wheel 2 Side, the air-ducting ring 1 is detachably connected with the air-ducting ring fixed part.So, by being set in air-ducting ring fixed part inlet air side Air-ducting ring 1, air into movable vane piece be compressed before first carry out water conservancy diversion processing so that air into movable vane piece be compressed when It is more steady, reduce air vibration, the generation of effective noise reduction function.Further preferred technical scheme is:In the air-ducting ring 1 It is provided with the 3rd screw via 1.1 and the second positioning hole 1.2, the air-ducting ring fixed part and is provided with the 4th screw via 5.3 With the second locating dowel 5.4, second locating dowel 5.4 and the grafting of the second positioning hole 1.2, the 3rd screw via 1.1 It is detachably connected with the 4th screw via 5.3 by screw.So, by setting the 4th screw on air-ducting ring fixed part Via 5.3, coordinates the 3rd screw via 1.1 in air-ducting ring 1, by screw by the 4th screw via 5.3 and the 3rd screw mistake Hole 1.1 is attached so that air-ducting ring 1 is detachably connected with air-ducting ring fixed part, convenient maintenance and replacing;By in air-ducting ring Second positioning hole 1.2 is set on 1, the second locating dowel 5.4 is set on the air-ducting ring fixed part, by the second locating dowel 5.4 with The grafting of second positioning hole 1.2, realizes quick positioning, convenient to install, and saves working time and labour.Further preferred technology Scheme is:The air-ducting ring 1 is tubulose, and the centre position of air-ducting ring 1 is inwardly protruding.So, because the centre position of air-ducting ring 1 Inwardly protruding, after air enters from the inlet air side of air-ducting ring 1, air internally spreads in the central raised position of air-ducting ring 1, due to leading The sectional area at the middle part of solar or lunar halo 1 is less than the sectional area of the air side of air-ducting ring 1, and speed air flow slows down, and effectively prevents the production of vortex It is raw, so as to avoid the generation of noise.
Ducting assembly of the present utility model, as shown in Fig. 1-Figure 10, may be used also on the basis of previously described technical scheme To be:The motor fixed part air side is provided with motor shrouding 6, and the motor shrouding 6 is fixedly installed on the motor and fixed The air side in portion.So, motor fixed part air side is provided with motor shrouding 6, motor shrouding 6 is fixedly installed on motor and fixed The air side in portion, motor shrouding 6 is closed the air side of motor 4, and the noise transmission that the cut-off running of motor 4 is produced is to outer Boundary, reduces noise source, and motor fixed part air side is provided with motor shrouding 6, and the air after being compressed by wind wheel 2 can not From the discharge of the rear portion of motor 4, it is only capable of discharging from stator blade position, the air output in whole air channel is effectively ensured.Further preferred skill Art scheme is:It is provided with the motor shrouding 6 on the 5th screw via 5.5, the motor fixed part and is provided with the 6th screw Via 6.1, the 5th screw via 5.5 is detachably connected with the 6th screw via 6.1 by screw.So, pass through 5th screw via 5.5 is set on motor shrouding 6, coordinates the 6th screw via 6.1 on motor fixed part, will by screw 5th screw via 5.5 and the 6th screw via 6.1 are attached so that air-ducting ring 1 is detachably connected with air-ducting ring fixed part, Convenient maintenance and replacing, save working time and labour.
, it is necessary to explanation in description of the present utility model, term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " " interior ", the orientation of the instruction such as " outer " or position relationship Described based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying, without referring to Show or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration and operation, therefore can not manage Solve as to limitation of the present utility model.In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating Or imply relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.In addition, in description of the present utility model, unless otherwise indicated, " multiples' " contains Justice is two or more.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model Within the scope of shield.

Claims (12)

1. a kind of ducting assembly, it is characterised in that:Including wind wheel (2), motor (4) and stator blade (5), motor (4) fixation is set The middle part in the stator blade (5) is put, wind wheel (2) fixation is set on the output shaft of the motor (4);
The wind wheel (2) includes movable vane piece, wheel hub and installing plate, and the wheel hub is fixedly installed on the installing plate inlet air side surface Middle part, adjacent two side of the movable vane piece is fixedly connected with the wheel hub and the installing plate respectively, the motor (4) it is defeated Shaft is fixedly connected through the installing plate with the wheel hub;
The movable vane piece inlet air direction side is bent with one end that the wheel hub is connected along direction of rotation.
2. ducting assembly according to claim 1, it is characterised in that:The stator blade (5) includes motor fixed part, stator blade With air-ducting ring fixed part, the air-ducting ring fixed part is set in the outside of the motor fixed part, the two ends point of the stator blade It is not fixedly connected with the inner surface of the air-ducting ring fixed part and the outer surface of the motor fixed part, the motor (4) is fixed It is arranged in the motor fixed part.
3. ducting assembly according to claim 2, it is characterised in that:Set between the motor (4) and the wind wheel (2) There is motor cover (3), the motor cover (3) be located in the output end of the motor (4), and the output shaft of the motor (4) passes through institute State in the middle part of motor cover (3), the motor cover (3) is detachably connected with motor fixed part.
4. ducting assembly according to claim 3, it is characterised in that:The first screw mistake is provided with the motor cover (3) The second screw via (5.1) and the first locating dowel are provided with hole (3.1) and the first positioning hole (3.2), the motor fixed part (5.2), first locating dowel (5.2) and the first positioning hole (3.2) grafting, the first screw via (3.1) and institute The second screw via (5.1) is stated to be detachably connected by screw.
5. ducting assembly according to claim 3, it is characterised in that:It is provided with the motor cover (3) equally distributed Air vent.
6. ducting assembly according to claim 2, it is characterised in that:The installing plate is set in air side center position There are motor shaft mounting hole (2.1), the motor shaft mounting hole (2.1) and the output shaft grafting of the motor (4).
7. ducting assembly according to claim 6, it is characterised in that:Motor shaft mounting hole (2.1) surrounding is provided with Strengthening part, the strengthening part is fixedly connected with the motor shaft mounting hole (2.1) and the installing plate respectively.
8. ducting assembly according to claim 2, it is characterised in that:The inlet air side of the air-ducting ring fixed part, which is provided with, leads Solar or lunar halo (1), the air-ducting ring (1) be located in the inlet air side of the wind wheel (2), and the air-ducting ring (1) is fixed with the air-ducting ring Portion is detachably connected.
9. ducting assembly according to claim 8, it is characterised in that:The 3rd screw mistake is provided with the air-ducting ring (1) The 4th screw via (5.3) and the second positioning are provided with hole (1.1) and the second positioning hole (1.2), the air-ducting ring fixed part Post (5.4), second locating dowel (5.4) and the second positioning hole (1.2) grafting, the 3rd screw via (1.1) and The 4th screw via (5.3) is detachably connected by screw.
10. ducting assembly according to claim 8, it is characterised in that:The air-ducting ring (1) is tubulose, the air-ducting ring (1) centre position is inwardly protruding.
11. the ducting assembly according to claim 2-10 any one, it is characterised in that:The motor fixed part air side Motor shrouding (6) is provided with, the motor shrouding (6) is fixedly installed on the air side of the motor fixed part.
12. ducting assembly according to claim 11, it is characterised in that:The 5th spiral shell is provided with the motor shrouding (6) Follow closely and be provided with the 6th screw via (6.1), the 5th screw via (5.5) and institute on via (5.5), the motor fixed part The 6th screw via (6.1) is stated to be detachably connected by screw.
CN201720052900.XU 2017-01-16 2017-01-16 A kind of ducting assembly Active CN206478739U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106855266A (en) * 2017-01-16 2017-06-16 广东美的制冷设备有限公司 A kind of ducting assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106855266A (en) * 2017-01-16 2017-06-16 广东美的制冷设备有限公司 A kind of ducting assembly

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