CN106762749A - Water heater brushless direct-current air blower - Google Patents

Water heater brushless direct-current air blower Download PDF

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Publication number
CN106762749A
CN106762749A CN201710193603.1A CN201710193603A CN106762749A CN 106762749 A CN106762749 A CN 106762749A CN 201710193603 A CN201710193603 A CN 201710193603A CN 106762749 A CN106762749 A CN 106762749A
Authority
CN
China
Prior art keywords
output shaft
wind wheel
nut
steel loop
glue ring
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
CN201710193603.1A
Other languages
Chinese (zh)
Inventor
任晓峰
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.)
CHENGDU GAOXIN ZONE HUAHUI ENTERPRISE Co Ltd
Original Assignee
CHENGDU GAOXIN ZONE HUAHUI ENTERPRISE 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 CHENGDU GAOXIN ZONE HUAHUI ENTERPRISE Co Ltd filed Critical CHENGDU GAOXIN ZONE HUAHUI ENTERPRISE Co Ltd
Priority to CN201710193603.1A priority Critical patent/CN106762749A/en
Publication of CN106762749A publication Critical patent/CN106762749A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/002Details, component parts, or accessories especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/02Selection of particular materials
    • F04D29/023Selection of particular materials especially adapted for elastic fluid pumps

Landscapes

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

Abstract

The invention discloses water heater brushless direct-current air blower, including casing, positioned at the motor of casing internal, wind wheel is connected on the output shaft of motor, also including glue ring, steel loop, the glue ring, the twice of the external diameter more than or equal to output shaft external diameter of steel loop;The glue ring, steel loop are set on the output shaft of motor, and glue ring is located at wind wheel both sides, and steel loop is located at glue ring away from the side of wind wheel;The wind wheel is fixed on the axis collinear of the outer end of output shaft, nut and output shaft by nut, and when output shaft is rotated clockwise, the nut uses left-handed nut;When output shaft is rotated counterclockwise, the nut uses right-handed nut.It is an object of the invention to provide water heater brushless direct-current air blower, so that vibrations are big when solving the problems, such as that prior art wind wheel is rotated, easily loosen, realize reducing wind wheel vibrations, prevent the purpose that voluntarily loosens.

Description

Water heater brushless direct-current air blower
Technical field
The present invention relates to DC blower field, and in particular to water heater brushless direct-current air blower.
Background technology
DC fan refers to, by input direct-current electric energy, dc motor is rotated to drive draught fan impeller to rotate, so that Realize blower fan of the direct current energy to mechanical energy transfer process.The characteristics of DC fan is maximum is to have matched dc motor.At present Using DC brushless motor DC fan more, brshless DC motor due to eliminating the collector ring and brush of commutation, in structure On greatly simplify.The manufacturability of motor is not only improved simultaneously, and the Mechanical Reliability of motor operation is greatly enhanced, and the life-span increases Plus.But, the wind wheel of existing brushless direct-current air blower is connected with axle and is directly connected by screw bolts, and wind wheel assembles easy deflection, shake It is dynamic big:Wind wheel rotates easy loose or dislocation for a long time.After wind wheel loose or dislocation, maintenance personal is regarded as because vibrations are larger Threaded connection is caused gradually to loosen, processing mode is all to bolt on to fasten again again.
The content of the invention
It is an object of the invention to provide water heater brushless direct-current air blower, when being rotated with solving prior art wind wheel Vibrations are big, problem that is easily loosening, realize reducing wind wheel vibrations, prevent the purpose that voluntarily loosens.
The present invention is achieved through the following technical solutions:
Water heater brushless direct-current air blower, including casing, connect on the motor of casing internal, the output shaft of motor Wind wheel, also including glue ring, steel loop, the glue ring, the twice of the external diameter more than or equal to output shaft external diameter of steel loop;The glue ring, steel Ring is set on the output shaft of motor, and glue ring is located at wind wheel both sides, and steel loop is located at glue ring away from the side of wind wheel;The wind Wheel is fixed on the axis collinear of the outer end of output shaft, nut and output shaft by nut, and when output shaft is rotated clockwise, institute State nut and use left-handed nut;When output shaft is rotated counterclockwise, the nut uses right-handed nut.
In the prior art, wind wheel is directly connected by screw bolts with rotating shaft, and wind wheel vibrations are big, long-time is rotated and easily loosen de- Fall.But after wind wheel loose or dislocation, technical staff is regarded as causing threaded connection gradually to loosen due to shaking larger, processes Mode is all to bolt on to fasten again again.So to enable to wind wheel to temporarily get firm for treatment, but when using one section Between after can start to loosen again, result in the need for often being fastened, workload is big and frequent.Present inventor is largely putting into practice With grope in think, existing bolt and rotating shaft in theory common rotation, should be relatively fixed between the two, both is intrinsic Frequency also and is differed, and resonance can not possibly be produced during vibrations, therefore merely because why vibrations can cause frequently to loosen.For This problem, inventor has found that coming off for wind wheel use spiral shell mainly due to wind wheel and rotating shaft after lot of experiments and research is carried out Tether when connecing, rotating shaft rotating speed keeps constant with direction under motor effect, and the area of section of wind wheel is much larger than rotating shaft, wind wheel fortune Much larger than rotating shaft, the interference that wind wheel is also more prone to be subject to external impurities than rotating shaft is stopped the dynamic resistance being subject to.Due to existing Motor mostly drives wind wheel to rotate clockwise, and conventional bolt is all dextrorotation, once therefore wind wheel is subject to larger air to hinder Power or air blower inside are slightly stopped wind wheel into a little debris, then wind wheel velocity of rotation can be caused to be slower than rotating shaft, wind wheel There is relative displacement between rotating shaft, wind wheel can cause right-hand bolt slowly to screw out with respect to rotating shaft counterclockwise movement, then by wind Vibrations when wheel is rotated accelerate the back-out process, ultimately result in wind wheel loose or dislocation.To sum up, vibrations are only wind wheel loose or dislocation Cofactor, its main cause is really the relative displacement between wind wheel and rotating shaft and causes.For the problem, the present invention A kind of water heater brushless direct-current air blower, including casing are proposed, is connected on the motor of casing internal, the output shaft of motor The both sides of wind wheel, wherein wind wheel set gradually glue ring, the steel loop being set on output shaft, and the external diameter of glue ring, steel loop is more than Equal to the twice of output shaft external diameter, be glue ring, steel loop much larger than output shaft, be used to increase the contact between output shaft and wind wheel Area.There are glue ring and steel loop in the both sides of wind wheel, and enough strength supports are provided by steel loop, prevent wind wheel to the side of output shaft two To moving.Simultaneously by glue ring increasing friction force, it is ensured that wind wheel rotates with output shaft synchronous.Additionally, glue ring can also be provided Elastic force is used to absorb wind wheel vibrations, damping noise reduction vertically.The wind wheel is fixed on the outer end of output shaft, spiral shell by nut Female axis collinear with output shaft, and when output shaft is rotated clockwise, the nut uses left-handed nut;When the output shaft inverse time When pin is rotated, the nut uses right-handed nut.It is that the connection between wind wheel and output shaft is fastened by nut.Together When, when motor drives output shaft to be rotated in the direction of the clock, then the nut uses left-handed nut, now, if wind wheel The rotating speed of output shaft is less than by external condition interference rotating speed, wind wheel on the contrary can with respect to output shaft rotate counterclockwise, left-handed nut It is tightened;Likewise, when motor drives output shaft to be rotated counterclockwise, then the nut uses right-handed nut, Now, if wind wheel has been less than the rotating speed of output shaft by external condition interference rotating speed, wind wheel turns clockwise with respect to output shaft, dextrorotation Nut can equally be tightened.Therefore different nuts is used according to the different rotation direction of output shaft in the present invention, even if wind There is relative displacement between wheel and output shaft, the displacement can cause that wind wheel is more fastened with the connection of output shaft on the contrary, so as to solve Vibrations are big when prior art wind wheel of having determined is rotated, problem that is easily loosening, realize reducing wind wheel vibrations, prevent the mesh that voluntarily loosens 's.Instant invention overcomes think wind wheel loose or dislocation in the prior art entirely due to frequently vibrations caused by technology prejudice, With prominent substantive distinguishing features and marked improvement.
Preferably, also including being arranged on the controller of casing internal, controller is connected with motor, for controlled motor rotation Turn.It is so that motor direction of rotation is controllable, so that the rotation direction of output shaft is controllable, in order to change the spiral shell of different rotation directions Imperial mother, it is also possible to the rotation direction of output shaft is adjusted flexibly, it is ensured that reduce wind wheel vibrations, prevent the technique effect that voluntarily loosens.
Preferably, the glue ring is made using silica gel.Silica type material has extensive hardness number scope, Neng Goubian Flexibly formulate the hardness number of glue ring as needed in manufacturing process, the coefficient of friction of glue ring and wind wheel surface is adjusted with this, really Protect the stable friction factor constant.
Preferably, the steel loop is made using stainless steel material.To improve intensity and corrosion resistance, extension is used Life-span.
Preferably, the first steel loop, glue ring, wind wheel, glue ring, the second steel loop, spiral shell are followed successively by the output shaft from the inside to the outside Mother, wherein the first steel loop is fixedly connected on output shaft.Be wind wheel both sides steel loop in, near the side of motor be the first steel Ring, the side away from motor is the second steel loop so that the first steel loop is fixed, it is ensured that wind wheel can be clipped in the middle of two glue rings, Cushioning ability is ensured by the glue ring of both sides, while increasing friction force, it is ensured that wind wheel rotates with output shaft synchronous.
The present invention compared with prior art, has the following advantages and advantages:
1st, water heater of the present invention brushless direct-current air blower, different spiral shells is used according to the different rotation direction of output shaft Mother, even if there is relative displacement between wind wheel and output shaft, the displacement can cause that wind wheel more steps up with the connection of output shaft on the contrary Gu, so as to solve the problems, such as to shake big, easy loosening when prior art wind wheel is rotated, realize the vibrations of reduction wind wheel, prevent certainly The purpose that row loosens.Instant invention overcomes think wind wheel loose or dislocation in the prior art entirely due to frequently vibrations caused by Technology prejudice, with prominent substantive distinguishing features and marked improvement.
2nd, water heater of the present invention brushless direct-current air blower, glue ring, the external diameter of steel loop are more than or equal to the two of output shaft external diameter Times, glue ring, steel loop are much larger than output shaft, are used to increase the contact area between output shaft and wind wheel.There is glue the both sides of wind wheel Ring and steel loop, enough strength supports are provided by steel loop, prevent wind wheel from being moved to output shaft both sides direction, while by glue ring Increasing friction force, it is ensured that wind wheel rotates with output shaft synchronous.Additionally, glue ring can also provide elastic force for absorbing wind wheel along axle To vibrations, damping noise reduction.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes of the application Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the half-sectional structural representation of the specific embodiment of the invention;
Fig. 2 is the side view of the direction of arrow along Fig. 1.
Mark and corresponding parts title in accompanying drawing:
1- casings, 2- motors, 3- wind wheels, 4- glue rings, the steel loops of 5- first, 6- nuts, 7- output shafts, 8- controllers, 9- Two steel loops.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, with reference to embodiment and accompanying drawing, to this Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make It is limitation of the invention.
Embodiment 1:
The brushless direct-current air blower of water heater as shown in Figures 1 and 2, including casing 1, the motor inside casing 1 2, wind wheel 3 is connected on the output shaft 7 of motor 2, also including glue ring 4, steel loop, the external diameter of the glue ring 4, steel loop is more than or equal to output The twice of the external diameter of axle 7;The glue ring 4, steel loop is set on the output shaft 7 of motor 2, and glue ring 4 is located at the both sides of wind wheel 3, steel Ring is located at glue ring 4 away from the side of wind wheel 3;The wind wheel 3 is fixed on the outer end of output shaft 7, nut 6 and output by nut 6 The axis collinear of axle 7, and when output shaft 7 is rotated clockwise, the nut 6 uses left-handed nut;When output shaft 7 turns counterclockwise When dynamic, the nut 6 uses right-handed nut.Also include being arranged on the controller 8 inside casing 1, controller 8 is connected with motor 2, Rotated for controlled motor 2.The glue ring 4 is made using silica gel.The steel loop is made using stainless steel material.Institute State and be followed successively by from the inside to the outside on output shaft 7 first steel loop 5, glue ring 4, wind wheel 3, glue ring 4, the second steel loop 9, nut 6, wherein first Steel loop 5 is fixedly connected on output shaft 7.The present apparatus includes casing 1, the motor 2 inside casing 1, the output shaft 7 of motor 2 Upper connection wind wheel 3, the wherein both sides of wind wheel 3 set gradually the glue ring 4, steel loop being set on output shaft 7, and glue ring 4, steel loop Twice of the external diameter more than or equal to the external diameter of output shaft 7, be glue ring 4, steel loop much larger than output shaft 7, be used to increase output shaft 7 with Contact area between wind wheel 3, while increasing friction force, makes wind wheel be rotated with output shaft synchronous.There is glue ring the both sides of wind wheel 3 4 and steel loop, enough strength supports are provided by steel loop, prevent wind wheel 3 from being moved to the both sides direction of output shaft 7.Simultaneously by glue Ring 4 provides elastic force, for absorbing vibrations, the damping noise reduction vertically of wind wheel 3.The wind wheel 3 is fixed on output by nut 6 The axis collinear of the outer end of axle 7, nut and output shaft 7, and when output shaft 7 is rotated clockwise, the nut uses left-handed spiral shell It is female;When output shaft 7 is rotated counterclockwise, the nut uses right-handed nut.Be by nut to wind wheel 3 and output shaft 7 it Between connection fastened.Meanwhile, when motor 2 drives output shaft 7 to be rotated in the direction of the clock, then the nut is used Left-handed nut, now, if wind wheel 3 has been less than the rotating speed of output shaft 7 by external condition interference rotating speed, wind wheel 3 is inverse with respect to output shaft 7 Hour hands rotate, and left-handed nut can be tightened on the contrary;Likewise, when motor 2 drives output shaft 7 to be rotated counterclockwise When, then the nut uses right-handed nut, now, if wind wheel 3 has been less than the rotating speed of output shaft 7 by external condition interference rotating speed, Wind wheel 3 turns clockwise with respect to output shaft 7, and right-handed nut can equally be tightened.Therefore it is different according to output shaft 7 in the present invention Rotation direction and use different nuts, even if there is relative displacement between wind wheel 3 and output shaft 7, the displacement can be caused on the contrary Wind wheel 3 is more fastened with the connection of output shaft 7, and big, easy loosening asking is shaken when wind wheel 3 in the prior art is rotated so as to solve Topic, realizes that reducing wind wheel 3 shakes, prevents the purpose that voluntarily loosens.Taken off instant invention overcomes thinking that wind wheel 3 loosens in the prior art Fall entirely due to frequently vibrations caused by technology prejudice, with prominent substantive distinguishing features and marked improvement.The both sides of wind wheel 3 Steel loop in, near motor 2 side be the first steel loop 5, away from motor 2 side be the second steel loop 9 so that the first steel loop 5 It is fixed, it is ensured that wind wheel 3 can be clipped in the middle of two glue rings 4, cushioning ability is ensured by the glue ring 4 of both sides, while increase rubs Power is wiped, wind wheel is rotated with output shaft synchronous.
Above-described specific embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect Describe in detail, should be understood that and the foregoing is only specific embodiment of the invention, be not intended to limit the present invention Protection domain, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc. all should include Within protection scope of the present invention.

Claims (5)

1. water heater brushless direct-current air blower, including casing (1), positioned at the internal motor (2) of casing (1), motor (2) it is defeated Wind wheel (3) is connected on shaft (7), it is characterised in that also including glue ring (4), steel loop, the glue ring (4), the external diameter of steel loop are more than Equal to the twice of output shaft (7) external diameter;The glue ring (4), steel loop are set on the output shaft of motor (2) (7), and glue ring (4) positioned at wind wheel (3) both sides, steel loop is located at side of the glue ring (4) away from wind wheel (3);The wind wheel (3) is solid by nut (6) The axis collinear of the outer end of output shaft (7), nut (6) and output shaft (7) is scheduled on, and when output shaft (7) is rotated clockwise, institute State nut (6) and use left-handed nut;When output shaft (7) is rotated counterclockwise, the nut (6) uses right-handed nut.
2. water heater according to claim 1 brushless direct-current air blower, it is characterised in that also including being arranged on casing (1) internal controller (8), controller (8) is connected with motor (2), for controlled motor (2) rotation.
3. water heater according to claim 1 brushless direct-current air blower, it is characterised in that the glue ring (4) uses silicon Glue is made.
4. water heater according to claim 1 brushless direct-current air blower, it is characterised in that the steel loop uses stainless steel Material is made.
5. water heater according to claim 1 brushless direct-current air blower, it is characterised in that on the output shaft (7) by It is interior to outer to be followed successively by the first steel loop (5), glue ring (4), wind wheel (3), glue ring (4), the second steel loop (9), nut (6), wherein first Steel loop (5) is fixedly connected on output shaft (7).
CN201710193603.1A 2017-03-28 2017-03-28 Water heater brushless direct-current air blower Pending CN106762749A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710193603.1A CN106762749A (en) 2017-03-28 2017-03-28 Water heater brushless direct-current air blower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710193603.1A CN106762749A (en) 2017-03-28 2017-03-28 Water heater brushless direct-current air blower

Publications (1)

Publication Number Publication Date
CN106762749A true CN106762749A (en) 2017-05-31

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ID=58967943

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710193603.1A Pending CN106762749A (en) 2017-03-28 2017-03-28 Water heater brushless direct-current air blower

Country Status (1)

Country Link
CN (1) CN106762749A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009057918A (en) * 2007-08-31 2009-03-19 Max Co Ltd Blower
US20120146445A1 (en) * 2010-12-13 2012-06-14 Hitachi, Ltd. Axial Flux Permanent Magnet Brushless Machine
CN202811406U (en) * 2012-03-20 2013-03-20 周和协 An exhaust fan for a household gas water heater
CN203753254U (en) * 2014-01-22 2014-08-06 厦门市装载机有限公司 Loader rear frame and cab connecting structure
TWM500396U (en) * 2014-08-08 2015-05-01 Genese Intelligent Technology Co Ltd Shock absorption structure of vane wheels
CN104879312A (en) * 2015-05-28 2015-09-02 深圳市猛龙电机有限公司 Energy-saving FGHLK system air blower for gas stove and water heater
CN105134629A (en) * 2015-09-23 2015-12-09 广东美的制冷设备有限公司 Fan and air purifier

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009057918A (en) * 2007-08-31 2009-03-19 Max Co Ltd Blower
US20120146445A1 (en) * 2010-12-13 2012-06-14 Hitachi, Ltd. Axial Flux Permanent Magnet Brushless Machine
CN202811406U (en) * 2012-03-20 2013-03-20 周和协 An exhaust fan for a household gas water heater
CN203753254U (en) * 2014-01-22 2014-08-06 厦门市装载机有限公司 Loader rear frame and cab connecting structure
TWM500396U (en) * 2014-08-08 2015-05-01 Genese Intelligent Technology Co Ltd Shock absorption structure of vane wheels
CN104879312A (en) * 2015-05-28 2015-09-02 深圳市猛龙电机有限公司 Energy-saving FGHLK system air blower for gas stove and water heater
CN105134629A (en) * 2015-09-23 2015-12-09 广东美的制冷设备有限公司 Fan and air purifier

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Application publication date: 20170531

RJ01 Rejection of invention patent application after publication