CN109236701A - A kind of dedicated low-noise fan of automatic car washing machine and its assembly method - Google Patents

A kind of dedicated low-noise fan of automatic car washing machine and its assembly method Download PDF

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Publication number
CN109236701A
CN109236701A CN201811320721.5A CN201811320721A CN109236701A CN 109236701 A CN109236701 A CN 109236701A CN 201811320721 A CN201811320721 A CN 201811320721A CN 109236701 A CN109236701 A CN 109236701A
Authority
CN
China
Prior art keywords
blade
connector sleeve
impeller
fan
output shaft
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.)
Pending
Application number
CN201811320721.5A
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Chinese (zh)
Inventor
陶国富
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.)
Shanghai Flood Automation Equipment Co Ltd
Original Assignee
Shanghai Flood Automation Equipment 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 Shanghai Flood Automation Equipment Co Ltd filed Critical Shanghai Flood Automation Equipment Co Ltd
Priority to CN201811320721.5A priority Critical patent/CN109236701A/en
Publication of CN109236701A publication Critical patent/CN109236701A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/626—Mounting or removal of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a kind of dedicated low-noise fans of automatic car washing machine comprising fan shroud, motor and draught fan impeller；Draught fan impeller includes several blades, connector sleeve and the air intake impeller disk and the inner end impeller disk positioned opposite；The inner end impeller disk is sheathed on the output shaft of motor and is keyed connector sleeve in the outer end of output shaft, and wherein connector sleeve is fixedly connected on the inner end impeller disk；Wherein, blade is divided into first group of blade and second group of blade, second group of blade and first group of blade stagger interphase distribution, and second group of blade is that band stretches prestressing force in vulcanized rubber material and second group of blade；Conventional metals material blade is originally replaced using vulcanized rubber material spacing with blades, reduces the self weight of draught fan impeller significantly；One side manufacturing process can't destroy the balance of draught fan impeller, on the other hand significantly reduce draught fan impeller weight, will not destroy connector sleeve some microseismic activities during the work time.

Description

A kind of dedicated low-noise fan of automatic car washing machine and its assembly method
Technical field
Currently, domestic automobile ownership has greatly increased, with the increase of cost of labor, the overall cost of carwash industry Greatly increase, for this purpose, now carwash industry be especially in the large-scale all mating automatic car washing equipment of StoreFront；Domestic automatic car washing Machine equipment is equipped with several blowers, dries up for the side of automobile after cleaning and top surface.
Existing blower by fan shroud, draught fan impeller and motor form, wherein draught fan impeller by end plate, be connected to end plate Blade and key connection in motor output shaft axle sleeve form, in the production process, need to tap axle sleeve outer end make its key connection in Output shaft, but since axle sleeve is rigidly connected in end plate and blade, this just destroys the balance of draught fan impeller, and in addition material is by gold Belong to manufacture, own wt is big, after long-term operation, as long as have it is slightly uneven, axle sleeve will deformation, eventually lead to draught fan impeller The situations such as vibration, work abnormal sound.
Background technique
The present invention relates to automatic car washing machine technical field more particularly to a kind of dedicated low-noise fan of automatic car washing machine and its Assembly method.
Summary of the invention
An object of the present invention is to provide a kind of dedicated low-noise fan of automatic car washing machine, by connector sleeve and draught fan impeller It is individually designed, draught fan impeller is first inserted in manufacturing process, then connector sleeve is tapped into key connection in output shaft, finally by fan impeller The inner end impeller disk be adjacent to connector sleeve and be bolted to connection or be welded to connect；In addition, it originally uses vulcanized rubber Material spacing with blades replaces conventional metals material blade, reduces the self weight of draught fan impeller significantly；On the one hand, manufacturing process is simultaneously The balance of draught fan impeller will not be destroyed, on the other hand, draught fan impeller weight is significantly reduced, even if having during the work time slightly Vibration will not destroy connector sleeve.
To solve short car washer service life of fan in the prior art, work abnormal sound, from great technical problem, the present invention Provide a kind of dedicated low-noise fan of automatic car washing machine comprising fan shroud, the motor for being installed on fan shroud back and installation Draught fan impeller in fan shroud inner cavity；
The fan shroud includes circumferential girth sheets, is set to the positive air intake ring flat-plate of circumferential girth sheets, is set to circumferential girth sheets back Installation backboard and be set to the air-exhausting duct of circumferential girth sheets side；
The motor, which is fixedly installed in the installation backboard outer end and output shaft is passed through the installation backboard, protrudes into the blower Cover inner cavity；
The draught fan impeller includes several blades, connector sleeve and the air intake impeller disk and the inner end impeller disk positioned opposite；Institute It states blade to be connected between the air intake impeller disk and the inner end impeller disk, and blade is with the central axis of the inner end impeller disk Axle center and the radially distributed disk in the inner end impeller disk, the blade perpendicular to the inner end impeller disk disk, Air intake impeller disk center opens up round air inlet, the inner end impeller disk be sheathed on the output shaft of the motor and The outer end of the output shaft is keyed the connector sleeve, wherein the connector sleeve is fixedly connected on the inner end impeller disk；
Wherein, the blade is divided into first group of blade and second group of blade, and second group of blade and first group of blade are handed over Wrong interphase distribution, second group of blade are that band stretches prestressing force in vulcanized rubber material and second group of blade.
Preferably, in order to improve the integral strength of draught fan impeller, a kind of dedicated low noise of automatic car washing machine provided by the invention Sound blower, wherein the cross section of the air intake impeller disk is arc-shaped and arc port is towards outer end, and such design increases The connection area of blade and the air intake impeller disk, enhances integral strength significantly.
Further, it is contemplated that draught fan impeller can inevitably generate uneven dancing after long-term operation, and tradition connects firmly The mode of connecing can aggravate the phenomenon, a kind of dedicated low-noise fan of automatic car washing machine provided by the invention, wherein the connector sleeve packet Output shaft axle sleeve and the impeller disk connecting flange for being shaped in output shaft axle sleeve periphery are included, the connector sleeve is opened along bus Mouthful, it is equivalent to a spring pocket, alleviation can be absorbed to a certain extent and swung.
Preferably, in order to further enhance draught fan impeller part antidetonation damping capaicty, one kind provided by the invention is washed automatically The dedicated low-noise fan of vehicle device, wherein the connector sleeve inner ring diameter and be gradually increased by inner end to outer extreme direction, in the company Vulcanised rubber layer has been poured on female connector inner ring face and the vulcanised rubber layer thickness be gradually increased by inner end to outer extreme direction so that Inner ring diameter is equal with the output shaft outer diameter, and on the one hand this design makes connector sleeve inner ring face fit closely output shaft, another Aspect, when dancing occurs for draught fan impeller, draught fan impeller drives connector sleeve to swing, and vulcanised rubber layer gradually increases from the inside to the outside Thickness will significantly absorb vibration energy, and slow down seismism.
Preferably, in order to enhance the bonding strength of vulcanised rubber layer Yu connector sleeve inner ring face, it is provided by the invention it is a kind of from The dynamic dedicated low-noise fan of car washer, wherein open up mesh grille groove on connector sleeve inner ring face.
Further, the dedicated low-noise fan of a kind of automatic car washing machine provided by the invention, wherein further include first annular Magnet and the second annular magnet, the first annular magnet are sheathed on the output shaft and are fixedly installed in the installation backboard Wall, second annular magnet are sheathed on the output shaft and are fixedly installed in the inner end impeller disk, wherein first ring Shape magnet and the second annular magnet homopolar-repulsion arrangement；The above design considers that fan shroud is in static shape in blower operating State, first annular magnet is fixedly installed in installation backboard inner wall and is also at static state, when second be arranged on draught fan impeller of repelling each other When annular magnet is swung with draught fan impeller, two pieces of magnet repulsive interaction power can limitation blower leaf to a certain extent Wheel is in dynamic balance state, avoids the noise that uneven rotation generates.
Further, considering for security risk and wind-guiding efficiency, a kind of automatic car washing machine provided by the invention is dedicated Low-noise fan, wherein further include funnel-form air inlet cover, bell mouth outer is fixedly connected on the air intake ring flat-plate, funnel Mouth passes through the middle section that the round air inlet ends in the draught fan impeller.
Further, general blower over body case is thiner, if the installation backboard of fan shroud is directly bolted In motor, there is a phenomenon where tearing or may be deformed, a kind of automatic car washing provided by the invention in long-term faint vibration The dedicated low-noise fan of machine, in order to improve connection reliability, wherein further include connecting plate, the connecting plate is connected to the peace It fills between backboard and the motor.
A kind of dedicated low-noise fan of automatic car washing machine of the present invention has the advantage that wind of the present invention compared with prior art Machine impeller blade in such a way that two groups of spacing with blades are arranged, and wherein one group be vulcanized rubber material, and have stretching and answer in advance Power, on the one hand, blade material substitutes conventional metals material using vulcanized rubber, significantly reduces draught fan impeller weight, reduces light Microseismic activity is to the destruction power of draught fan impeller, and on the other hand, band stretches prestressing force in vulcanized rubber, reliably by air intake leaf Wheel disc and the inner end impeller disk tense, so that overall structure is more compact；Connected firmly in addition, draught fan impeller is different from tradition by center Spindle set is directly keyed the structure of motor output shaft, individually increases connecting jacket structure in the fabrication process, and it is real to tap connector sleeve Now with the key connection of output shaft, draught fan impeller is then connected to connector sleeve again, avoids the blower leaf for destroying dynamic balancing The balance of wheel, to reduce the running noise of draught fan impeller from the root.
It is to eliminate and tap connector sleeve in manufacturing process it is a further object to provide a kind of assembly method When generated stress concentration phenomenon, referring to steel modifier treatment when quenching and tempering process, keep its structure more reliable, running point Shellfish is in more low-level；The present invention separately provides a kind of assembly method, is related to according to any one of claims 1 to 8 automatic The dedicated low-noise fan of car washer, comprising the following steps:
Get motor, fan shroud, draught fan impeller and connector sleeve ready；
Fan shroud is bolted in motor, and motor output shaft is passed through into fan shroud and protrudes into the fan shroud inner cavity；
Draught fan impeller is put into the fan shroud inner cavity and is placed on the output shaft；
Connector sleeve is placed on output shaft end and tapping connector sleeve outer end is installed in place it；
Adjust the opening up of the connector sleeve；
Hot melt rubber is poured in the opening；
The inner end impeller disk of draught fan impeller is placed on connector sleeve after hot melt rubber is cooled to room temperature solidification and passes through bolt for institute Connector sleeve is stated to be fixedly connected with draught fan impeller.
The stress concentration phenomenon that above method generates after quenching referring to steel, after eliminated by tempering stress concentration More preferable quality is had reached, deformation occurs for the connector sleeve after present invention percussion, and stress, which is easily led to, in the opening of connector sleeve concentrates, this When high temperature hot melt rubber is poured in opening, on the one hand give connector sleeve heat treatment, eliminate opening stress, on the other hand heat rubber Glue makes connector sleeve and output axis connection more reliable again.
Detailed description of the invention
Fig. 1 is a kind of dedicated low-noise fan Structure explosion diagram of automatic car washing machine of the present invention；
Fig. 2 is another party's bit architecture schematic diagram of Fig. 1；
A kind of blade construction schematic diagram of the dedicated low-noise fan of automatic car washing machine of Fig. 3 dimension present invention；
Fig. 4 is a kind of connector sleeve the schematic diagram of the section structure of the dedicated low-noise fan of automatic car washing machine of the present invention.
Wherein: 1, fan shroud；100, circumferential girth sheets；101, air intake ring flat-plate；102, backboard is installed；103, air-exhausting duct；2, Motor；3, draught fan impeller；300, blade；3000, first group of blade；3001, second group of blade；301, connector sleeve；3010, it exports Axis axle sleeve；3011, impeller disk connecting flange；302, the air intake impeller disk；3020, round air inlet；303, the inner end impeller disk；4, Funnel-form air inlet cover；5, connecting plate；6, vulcanised rubber layer；7, first annular magnet；8, the second annular magnet.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing:
Embodiment 1
As shown, present embodiments providing a kind of dedicated low-noise fan of automatic car washing machine comprising fan shroud 1 is installed on The motor 2 at 1 back of fan shroud and the draught fan impeller 3 for being installed on 1 inner cavity of fan shroud；
The fan shroud 1 includes circumferential girth sheets 100, is set to the positive air intake ring flat-plate 101 of circumferential girth sheets 100, is set to week To 100 back of girth sheets installation backboard 102 and be set to the air-exhausting duct 103 of circumferential 100 side of girth sheets；
The motor 2 is fixedly installed in 102 outer end of installation backboard and output shaft is passed through the installation backboard 102 and protrudes into 1 inner cavity of fan shroud；
The draught fan impeller 3 includes several blades 300, connector sleeve 301 and the air intake impeller disk 302 positioned opposite and inner end The impeller disk 303；The blade 300 is connected between the air intake impeller disk 302 and the inner end impeller disk 303, and blade 300 with The central axis of the inner end impeller disk 303 is axle center and the radially distributed disk in the inner end impeller disk 303, the leaf For piece 300 perpendicular to the disk of the inner end impeller disk 303,302 center of the air intake impeller disk opens up round air inlet 3020, The inner end impeller disk 303 is sheathed on the output shaft of the motor 2 and is keyed the connector sleeve in the outer end of the output shaft 301, wherein the connector sleeve 301 is fixedly connected on the inner end impeller disk 303, wherein connector sleeve 301 includes output shaft axle sleeve 3010 and it is shaped in the impeller disk connecting flange 3011 of 3010 periphery of output shaft axle sleeve, the connector sleeve 301 is along mother Line opening, is equivalent to a spring pocket, can absorb alleviation to a certain extent and swing；
Wherein, the blade 300 divides for first group of blade 3000 and second group of blade 3001, second group of blade 3001 and institute First group of blade 3000 staggeredly interphase distribution is stated, second group of blade 3001 is vulcanized rubber material and second group of leaf Band stretches prestressing force in piece 3001.
Meanwhile in order to improve the integral strength of draught fan impeller 3, the air intake impeller disk described in the present embodiment 302 it is transversal Face is arc-shaped and arc port is towards outer end, and such design increases the connection area of blade 300 Yu the air intake impeller disk 302, Integral strength is improved significantly.
Further, considering for security risk and wind-guiding efficiency, the present embodiment further includes funnel-form air inlet cover 4, Bell mouth outer is fixedly connected on the air intake ring flat-plate 101, and spout of funnel ends in described across the round air inlet 3020 The middle section of draught fan impeller 3.
Further, general blower over body case is thiner, if by the direct bolt of installation backboard 102 of fan shroud 1 It is connected to motor 2, it may be there is a phenomenon where tearing or deforming in long-term faint vibration, the present embodiment connects to improve Reliability, wherein further include connecting plate 5, the connecting plate 5 is connected between the installation backboard 102 and the motor 2.
The blade 300 of the present embodiment draught fan impeller 3 in such a way that two groups of spacing with blades are arranged, and wherein one group be vulcanization Rubber material, and have stretching prestressing force, on the one hand, blade material substitutes conventional metals material using vulcanized rubber, significant to drop Low draught fan impeller weight reduces slight vibration to the destruction power of draught fan impeller 3, and on the other hand, band is drawn in vulcanized rubber Prestressing force is stretched, reliably tenses the air intake impeller disk 302 and the inner end impeller disk 303, so that overall structure is more compact；This Outside, draught fan impeller 3 is different from the structure that tradition is directly keyed motor output shaft by central Hard link axle sleeve, in manufacturing process In individually increase by 301 structure of connector sleeve, tap connector sleeve 301 and realize key connection with output shaft, then again connect draught fan impeller 3 It is connected to connector sleeve 301, the balance for destroying the draught fan impeller 3 that dynamic balancing measurement has been crossed is avoided, to reduce wind from the root The running noise of machine impeller 3.
Embodiment 2
In order to further enhance draught fan impeller part antidetonation damping capaicty, 301 inner ring diameter of connector sleeve and by interior in the present embodiment End is gradually increased to outer extreme direction, has poured vulcanised rubber layer 6 and the vulcanized rubber on the 301 inner ring face of connector sleeve 6 thickness of layer are gradually increased so that 6 inner ring diameter of vulcanised rubber layer is equal with the output shaft outer diameter to outer extreme direction by inner end, this On the one hand design makes 301 inner ring face of connector sleeve fit closely output shaft, on the other hand, dancing occurs in draught fan impeller 3 When, draught fan impeller 3 drives connector sleeve 301 to swing, and vulcanised rubber layer 6 will significantly absorb shock energy by inner end to outer progressive additive Amount, slows down seismism.
Meanwhile in order to enhance the bonding strength of vulcanised rubber layer 6 Yu 301 inner ring face of connector sleeve, the present embodiment is in the company Female connector opens up mesh grille groove (not shown) on 301 inner ring face.
Further, the present embodiment further includes first annular magnet 7 and the second annular magnet 8, the first annular magnet 7 It is sheathed on the output shaft and is fixedly installed in 102 inner wall of installation backboard, second annular magnet 8 is sheathed on described defeated Shaft is simultaneously fixedly installed in the inner end impeller disk 303, wherein the first annular magnet 7 and second annular magnet 8 are same Pole is repelled each other arrangement；The above design considers that fan shroud 1 remains static in blower operating, and first annular magnet 7 is fixedly mounted In installation 102 inner wall of backboard, it is also at static state, when the second annular magnet 8 being arranged on draught fan impeller 3 that repels each other is with blower leaf Wheel 3 is when swinging, two pieces of magnet repulsive interaction power can limitation draught fan impeller 3 to a certain extent be in dynamic balance shape State avoids the noise that uneven rotation generates.
Remaining structure is with embodiment 1, and this will not be repeated here.
The present embodiment taps generated stress concentration phenomenon when connector sleeve in order to eliminate in manufacturing process, referring to the tune of steel Quenching and tempering process, keep its structure more reliable when matter processing, and running decibel is in more low-level；One kind is additionally provided to wash automatically The assembly method of the dedicated low-noise fan of vehicle device, comprising the following steps:
Get motor 2, fan shroud 1, draught fan impeller 3 and connector sleeve 301 ready；
Fan shroud 1 is bolted in motor 2, and 2 output shaft of motor is passed through into fan shroud 1 and protrudes into 1 inner cavity of fan shroud；
Draught fan impeller 3 is put into 1 inner cavity of fan shroud and is placed on the output shaft；
Connector sleeve 301 is placed on output shaft end and tapping 301 outer end of connector sleeve is installed in place it；
Adjust the opening up of the connector sleeve 301；
Hot melt rubber is poured in the opening；
The inner end impeller disk 303 of draught fan impeller 3 is placed on connector sleeve 301 after hot melt rubber is cooled to room temperature solidification and is passed through The connector sleeve 301 is fixedly connected by bolt with draught fan impeller 3.
The stress concentration phenomenon that above method generates after quenching referring to steel, after eliminated by tempering stress concentration More preferable quality is had reached, deformation occurs for the connector sleeve 301 after present invention percussion, easily leads to stress in the opening of connector sleeve 301 It concentrates, at this time pours high temperature hot melt rubber in opening, on the one hand heat to connector sleeve 301, eliminate opening stress, it is another Aspect hot melt rubber makes connector sleeve 301 and output axis connection more reliable again.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it, Although the invention is described in detail with reference to an embodiment, those skilled in the art should understand that, it can be to this hair Bright technical solution is modified or replaced equivalently, and without departing from the spirit and scope of the technical solution of the present invention, should all be contained Lid is in the scope of the claims of the present invention.

Claims (9)

1. a kind of dedicated low-noise fan of automatic car washing machine, it is characterised in that: including fan shroud, be installed on the electricity at fan shroud back Machine and the draught fan impeller for being installed on fan shroud inner cavity；
The fan shroud includes circumferential girth sheets, is set to the positive air intake ring flat-plate of circumferential girth sheets, is set to circumferential girth sheets back Installation backboard and be set to the air-exhausting duct of circumferential girth sheets side；
The motor, which is fixedly installed in the installation backboard outer end and output shaft is passed through the installation backboard, protrudes into the blower Cover inner cavity；
The draught fan impeller includes several blades, connector sleeve and the air intake impeller disk and the inner end impeller disk positioned opposite；Institute It states blade to be connected between the air intake impeller disk and the inner end impeller disk, and blade is with the central axis of the inner end impeller disk Axle center and the radially distributed disk in the inner end impeller disk, the blade perpendicular to the inner end impeller disk disk, Air intake impeller disk center opens up round air inlet, the inner end impeller disk be sheathed on the output shaft of the motor and The outer end of the output shaft is keyed the connector sleeve, wherein the connector sleeve is fixedly connected on the inner end impeller disk；
Wherein, the blade is divided into first group of blade and second group of blade, and second group of blade and first group of blade are handed over Wrong interphase distribution, second group of blade are that band stretches prestressing force in vulcanized rubber material and second group of blade.
2. the dedicated low-noise fan of automatic car washing machine according to claim 1, it is characterised in that: the air intake impeller disk Cross section is arc-shaped and arc port is towards outer end.
3. the dedicated low-noise fan of automatic car washing machine according to claim 1, it is characterised in that: the connector sleeve includes defeated Shaft axle sleeve and the impeller disk connecting flange for being shaped in output shaft axle sleeve periphery, the connector sleeve are open along bus.
4. the dedicated low-noise fan of automatic car washing machine according to claim 3, it is characterised in that: the connector sleeve inner ring is straight It diameter and is gradually increased by inner end to outer extreme direction, vulcanised rubber layer and the vulcanization has been poured on connector sleeve inner ring face Rubber layer thickness is gradually increased by inner end to outer extreme direction so that inner ring diameter is equal with the output shaft outer diameter.
5. the dedicated low-noise fan of automatic car washing machine according to claim 4, it is characterised in that: in the connector sleeve inner ring Mesh grille groove is opened up on face.
6. the dedicated low-noise fan of automatic car washing machine according to any one of claims 1 to 5, it is characterised in that: also wrap First annular magnet and the second annular magnet are included, the first annular magnet is sheathed on the output shaft and is fixedly installed in described Backboard inner wall is installed, second annular magnet is sheathed on the output shaft and is fixedly installed in the inner end impeller disk, wherein The first annular magnet and the second annular magnet homopolar-repulsion arrangement.
7. the dedicated low-noise fan of automatic car washing machine according to claim 6, it is characterised in that: further include funnel-form air inlet Mask, bell mouth outer are fixedly connected on the air intake ring flat-plate, and spout of funnel passes through the round air inlet and ends in the wind The middle section of machine impeller.
8. the dedicated low-noise fan of automatic car washing machine according to claim 6, it is characterised in that: it further include connecting plate, institute Connecting plate is stated to be connected between the installation backboard and the motor.
9. a kind of assembly method is related to the dedicated low-noise fan of automatic car washing machine described in any one of claim 3~5, It is characterized in that: the following steps are included:
Get motor, fan shroud, draught fan impeller and connector sleeve ready；
Fan shroud is bolted in motor, and motor output shaft is passed through into fan shroud and protrudes into the fan shroud inner cavity；
Draught fan impeller is put into the fan shroud inner cavity and is placed on the output shaft；
Connector sleeve is placed on output shaft end and tapping connector sleeve outer end is installed in place it；
Adjust the opening up of the connector sleeve；
Hot melt rubber is poured in the opening；
The inner end impeller disk of draught fan impeller is placed on connector sleeve after hot melt rubber is cooled to room temperature solidification and passes through bolt for institute Connector sleeve is stated to be fixedly connected with draught fan impeller.
CN201811320721.5A 2018-11-07 2018-11-07 A kind of dedicated low-noise fan of automatic car washing machine and its assembly method Pending CN109236701A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811320721.5A CN109236701A (en) 2018-11-07 2018-11-07 A kind of dedicated low-noise fan of automatic car washing machine and its assembly method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811320721.5A CN109236701A (en) 2018-11-07 2018-11-07 A kind of dedicated low-noise fan of automatic car washing machine and its assembly method

Publications (1)

Publication Number Publication Date
CN109236701A true CN109236701A (en) 2019-01-18

Family

ID=65077262

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811320721.5A Pending CN109236701A (en) 2018-11-07 2018-11-07 A kind of dedicated low-noise fan of automatic car washing machine and its assembly method

Country Status (1)

Country Link
CN (1) CN109236701A (en)

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