CN204921413U - Type of making an uproar fan falls - Google Patents
Type of making an uproar fan falls Download PDFInfo
- Publication number
- CN204921413U CN204921413U CN201520522565.6U CN201520522565U CN204921413U CN 204921413 U CN204921413 U CN 204921413U CN 201520522565 U CN201520522565 U CN 201520522565U CN 204921413 U CN204921413 U CN 204921413U
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- blower fan
- motor
- noise
- reducing type
- type blower
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Abstract
The utility model provides a type of making an uproar fan falls belongs to the medical equipment field, the fan includes air intake and air outlet, air intake department installs the motor, the blade is installed to the output of motor, motor drive the blade rotates, and the order is gaseous follows the air intake orientation the orientation of air outlet flows, the air intake is followed the axial direction of the output shaft of motor is the spiral threadiness. This type of making an uproar fan falls's simple structure is equitable, is the spiral threadiness with air intake processing, and during fan work, the noise of production is little, uses safe and reliable.
Description
Technical field
The utility model relates to field of medical device, in particular to a kind of noise-reducing type blower fan.
Background technique
The blower fan structure of prior art is single, and in use, the noise that blower fan produces is large, and the structure of the blower fan of prior art can not improve the large problem of fan noise.The blower fan using scope of prior art is wide, high in field of medical device frequency of utilization, often respiratory machine is used in medical procedure, respiratory machine is as the effective means of an energy artificial substituting expiratory positive airway pressure function, be commonly used in the respiratory failure caused by a variety of causes, the management of the anesthesia respiration during major operation, Breathing Suppotion treatment and emergency resuscitation, in Modern Medical Field, occupied very important position.During Case treatment, the environment needed peace and quiet, and the noise manufactured in blower fan working procedure is unfavorable for the rehabilitation of patient, therefore, needs now the blower fan that a kind of stable working is reliable, noise is little, for patients ' recovery provides good environment.
Model utility content
The purpose of this utility model is to provide a kind of noise-reducing type blower fan, the noise large problem affecting environment during to improve that existing blower fan structure is single causes blower fan to work.
The utility model is achieved in that
Based on above-mentioned purpose, the utility model provides a kind of noise-reducing type blower fan, described blower fan comprises intake grill and exhaust outlet, described air inlet is provided with motor, the output terminal of described motor is provided with blade, described motor drives described blade rotation, makes gas flow along described intake grill towards the direction of described exhaust outlet; Described intake grill is along the axial direction helically wire of the output shaft of described motor.
Preferably, described blade is streamlined.
Preferably, described noise-reducing type blower fan also comprises housing, and described intake grill intake grill and described air outlet mouth lay respectively on described housing; Described motor is positioned at described housing, the described housing and described motor removably connects.
Preferably, described motor is bolted in described housing by screw.
Preferably, described housing comprises upper shell and lower shell body, and described upper shell and described lower shell body fasten and form cavity, and described motor is positioned at described cavity, the described upper shell and described motor removably connects; Described intake grill is positioned on described lower shell body, and described exhaust outlet is positioned on described upper shell.
Preferably, described upper shell is provided with the first groove, and the bottom land of described first groove is provided with the second groove, and described motor is clamped in described second groove, and described motor is bolted in the groove bottom wall of described second groove by screw.
Preferably, damping device is provided with between described motor and described second groove.
Preferably, described damping device is spring or rubber layer.
Preferably, the sidewall of described intake grill adopts honeycomb structure.
Preferably, described honeycomb structure comprises inwall and outer wall, is provided with cellular sandwich layer between described inwall and described outer wall.
The beneficial effects of the utility model are:
In sum, the noise-reducing type blower fan that the utility model provides, this blower fan structure is simple, convenient processing and manufacture, low cost of manufacture; The air inlet structure of this blower fan improves, and during blower fan work, the sound that air-flow enters generation from intake grill is little, reduces the sound of the work of whole blower fan, specific as follows:
This noise-reducing type blower fan comprises intake grill and exhaust outlet, described air inlet is provided with motor, the output terminal of motor is provided with blade, during machine operation, drive vane is rotated, and gas sucks from air inlet by blade, then flows out from exhaust outlet, intake grill is designed to zigzag shape structure, this zigzag shape structure is along the axial direction of the output shaft of motor.During blower fan work, gas sucks from air inlet by blade rotary, intake grill is designed to zigzag shape, and gas enters along intake grill, and the air inlet structure of zigzag shape meets the movement locus of gas, namely, the fluid of helix, the flow direction of fluid is more disorderly than straight line, and the fluid of different direction cancels each other, weaken the resonance effect of fluid, carry out noise reduction; And, the fluid of helix, whole path does not have turning round of wide-angle, can not produce local eddy currents, avoids eddy current to produce noise; Helix structure can reduce the flowing velocity of gas, during gas flow and the frictional force of the inwall of intake grill little, reduce noise.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
The structural drawing of the noise-reducing type blower fan that Fig. 1 provides for the utility model;
Fig. 2 is the worm's eye view of Fig. 1;
The structural drawing of the upper shell of the noise-reducing type blower fan that Fig. 3 provides for the utility model.
Reference character gathers:
Intake grill 100, exhaust outlet 200, motor 300, blade 400,
Upper shell 101, lower shell body 102, cavity 103, the first groove 104, second groove 105, damping device 106, screw 107.
Embodiment
Respiratory machine is high in medical field frequency of utilization, and the blower fan in respiratory machine is a critical elements in respiratory machine working procedure.During existing respiratory machine work, blower fan rotates, and drives blade rotation, and then gas is sucked from air inlet, in the process, produce between the inwall of gas and intake grill and blade and rub, make a noise, the environment of noise effect treatment, is unfavorable for the rehabilitation of patient.
Given this, artificer of the present utility model devises a kind of noise-reducing type blower fan, this blower fan simple and reasonable, intake grill is designed to zigzag shape structure, and the noise produced when effectively reducing blower fan work, provides good Curing circumstance; Meanwhile, during blower fan work, the intake of gas is large, and the working efficiency of blower fan is high.
For making the object of the utility model embodiment, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to define further it and explain in accompanying drawing subsequently.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the equipment of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Refer to Fig. 1-3, the utility model provides a kind of noise-reducing type blower fan, described blower fan comprises intake grill 100 and exhaust outlet 200, described intake grill 100 place is provided with motor 300, the output terminal of described motor 300 is provided with blade 400, described motor 300 drives described blade 400 to rotate, and makes gas flow along described intake grill 100 towards the direction of described exhaust outlet 200; Described intake grill 100 is along the axial direction helically wire of the output shaft of described motor 300.
This blower fan simple and reasonable, easy to use, during use, the noise of blower fan is low, and being conducive to provides good Curing circumstance to patient; Meanwhile, the air output of blower fan is large, and the working efficiency of blower fan is high.
This noise-reducing type blower fan comprises intake grill 100 and exhaust outlet 200, described intake grill 100 place is provided with motor 300, the output terminal of motor 300 is provided with blade 400, when motor 300 works, drive vane 400 is rotated, and gas sucks from intake grill 100 by blade 400, then flow out from exhaust outlet 200, further, intake grill 100 is designed to zigzag shape structure, this zigzag shape structure is along the axial direction of the output shaft of motor 300.During blower fan work, blade 400 rotates and is sucked from intake grill 100 by gas, and intake grill 100 is designed to zigzag shape, gas enters along intake grill 100, intake grill 100 structure of zigzag shape meets the movement locus of gas, the noise produced when can reduce gas flow, also can increase air inflow, namely, the fluid of helix, the flow direction of fluid is more disorderly than straight line, and the fluid of different direction cancels each other, weaken the resonance effect of fluid, carry out noise reduction; And, the fluid of helix, whole path does not have turning round of wide-angle, can not produce local eddy currents, avoids eddy current to produce noise; Helix structure can reduce the flowing velocity of gas, during gas flow and the frictional force of the inwall of intake grill 100 little, can noise be reduced.
Specifically add man-hour, intake grill 100 is processed as zigzag shape, zigzag shape extends along the axial direction of the output shaft of blower fan, simultaneously, the internal diameter of helix increases gradually, be convenient to the processing of intake grill 100, by control helix control gas flow around the number of turns time circulation distance, realize better noise reduction.
In the preferred version of this embodiment, described blade 400 is in streamlined, blade 400 rotates and is used for gas to suck from intake grill 100, fairshaped blade 400 is conducive to the flowing of gas, namely the external shape of blade 400 is streamlined, the surface smoothing of blade 400 and regular, there is no large Undulating angle and sharp-pointed water caltrop, fluid is laminar flow at streamliner surface main manifestations, do not have or seldom have turbulent flow, ensure that blade 400 receives less resistance, be conducive to the rotation of blade 400, save the energy, simultaneously, improve the intake of fluid, and then improve the working efficiency of blower fan.Further, when fluid contact is to blade 400, little with the frictional force on the surface of blade 400, the effect reducing noise can be played.
In the preferred version of this embodiment, described noise-reducing type blower fan also comprises housing, and described intake grill and described exhaust outlet lay respectively on described housing; Described motor 300 is positioned at described housing, the described housing and described motor 300 removably connects.The housing of blower fan adopts plastic materials or metallic material to make, easily manufactured and low cost of manufacture.Housing has certain shape and intensity, is convenient to the installation of motor 300, and meanwhile, assembling is in housing, and housing serves the effect of protection motor 300, adds the working life of motor 300, and then adds the working life of blower fan.The shape of housing designs as required, processes flexible and changeable, can meet the user demand of different respiratory machines, is also convenient to assembling in respiratory machine.Housing has certain intensity, when motor 300 is arranged in housing, when housing receives certain extruding, can ensure that motor 300 is not damaged, the long service life of motor 300; Further, described motor 300 removably connects described housing, the replacing of motor 300 and easy to maintenance.In the using process of blower fan, motor 300 damage or service time long, when can not meet user demand, disassembled by motor 300, it is convenient to change.
In the preferred version of above-mentioned mode of execution, described motor 300 is bolted in described housing by screw 107, the Placement of screw 107 is simple and reliable, screw 107 is screwed and can realize the fixing of motor 300, when needing to change motor 300, screw 107 is unscrewed and motor 300 can be dismantled, easy to operate.Specifically add man-hour, motor 300 is provided with mounting hole, simultaneously, the position that housing is corresponding is provided with tapped hole, screw 107 is through being tightened in corresponding tapped hole after mounting hole, in order to increase the fix tightly solidity of motor 300 and housing, described screw 107 is set to four, and four screws 107 lay respectively on four angles of rectangular configuration.
In the preferred version of this embodiment,, described housing comprises upper shell 101 and lower shell body 102, and described upper shell 101 and described lower shell body 102 fasten and form cavity 103, described motor 300 is positioned at described cavity 103, the described upper shell 101 and described motor 300 removably connects; Described intake grill 100 is positioned on described lower shell body 102, and described exhaust outlet 200 is positioned on described upper shell 101.The structure of housing is simple, easy to process, is convenient to the cavity 103 of housing to be processed into desired structure; Meanwhile, housing is fastened by upper shell 101 and lower casing and is formed, and housing can be dismantled as upper shell 101 and lower shell body 102, and indeformable in order to ensure in housing using process, described upper shell 101 and described lower shell body 102 adopt screw to connect.Motor 300 is detachably connected on upper shell 101, motor 300 easy for installation, that is, add man-hour actual, upper shell 101 and lower shell body 102 are processed, then motor 300 is fixed on the desired location of upper shell 101, then lower shell body 102 and upper shell 101 are fastened, whole installation process simple and fast, effectively ensure that the installation precision of blower fan, be beneficial to blower fan gas is sucked from intake grill 100, improve the working efficiency of blower fan.
In the preferred version of this embodiment, described upper shell 101 is provided with the first groove 104, the bottom land of described first groove 104 is provided with the second groove 105, and described motor 300 is clamped in described second groove 105, and described motor 300 is bolted in the groove bottom wall of described second groove 105 by screw 107.Fixing of motor 300 is more firm, by the snap action of the second groove 105, not easily rocks, reduce further noise when motor 300 works.
In the preferred version of above-mentioned mode of execution, damping device 106 is provided with between described motor 300 and described second groove 105, when motor 300 is arranged on housing, under the function of damping device 106, the shaking degree of motor 300 is little, and the power that motor 300 produces when rocking is absorbed by damping device 106, ensure that the Security that motor 300 uses, motor 300 long service life; Owing to reducing rocking of motor 300, so reduce further the noise of crying out generation when motor 300 works.
The structure of damping device 106 is simple, and easy to make, as the possibility of this embodiment, described damping device 106 is spring or rubber layer, and the structure of spring is simple, elasticity stable, good damping effect, long service life; Rubber layer easy for installation, low cost of manufacture, is convenient to change.
In the preferred version of this embodiment, the sidewall of described intake grill 100 adopts honeycomb structure, and honeycomb structure is prior art, does not improve its structure in this embodiment, therefore, is not described in detail.The quality of honeycomb structure is light, and intensity is high, has certain soundproof effect, that is, honeycomb noise reduction is away from being that it effectively can absorb external shock and change into the energy of deformation of core, then slow releasing; In addition, after sound wave enters honeycomb ceramics, the vibration of air and material can be caused, due to frictional force and adhesive tape resistance, make a part of acoustic energy be converted into heat energy dissipation and fall, thus serve noise elimination effect.
In the preferred version of above-mentioned mode of execution, described honeycomb structure comprises inwall and outer wall, is provided with cellular sandwich layer between described inwall and described outer wall.The structure of keriotheca is simple, convenient processing and manufacture.Cellular sandwich layer can adopt circle, regular hexagon, square etc., processes flexible and changeable.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a noise-reducing type blower fan, is characterized in that, described blower fan comprises intake grill and exhaust outlet, described air inlet is provided with motor, the output terminal of described motor is provided with blade, and described motor drives described blade rotation, makes gas flow along described intake grill towards the direction of described exhaust outlet; Described intake grill is along the axial direction helically wire of the output shaft of described motor.
2. noise-reducing type blower fan according to claim 1, is characterized in that, described blade is streamlined.
3. noise-reducing type blower fan according to claim 2, is characterized in that, described noise-reducing type blower fan also comprises housing, and described intake grill and described exhaust outlet lay respectively on described housing; Described motor is positioned at described housing, the described housing and described motor removably connects.
4. noise-reducing type blower fan according to claim 3, is characterized in that, described motor is bolted in described housing by screw.
5. noise-reducing type blower fan according to claim 3, it is characterized in that, described housing comprises upper shell and lower shell body, and described upper shell and described lower shell body fasten and form cavity, described motor is positioned at described cavity, the described upper shell and described motor removably connects; Described intake grill is positioned on described lower shell body, and described exhaust outlet is positioned on described upper shell.
6. noise-reducing type blower fan according to claim 5, it is characterized in that, described upper shell is provided with the first groove, and the bottom land of described first groove is provided with the second groove, described motor is clamped in described second groove, and described motor is bolted in the groove bottom wall of described second groove by screw.
7. noise-reducing type blower fan according to claim 6, is characterized in that, is provided with damping device between described motor and described second groove.
8. noise-reducing type blower fan according to claim 7, is characterized in that, described damping device is spring or rubber layer.
9. the noise-reducing type blower fan according to any one of claim 1-8, is characterized in that, the sidewall of described intake grill adopts honeycomb structure.
10. noise-reducing type blower fan according to claim 9, is characterized in that, described honeycomb structure comprises inwall and outer wall, is provided with cellular sandwich layer between described inwall and described outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520522565.6U CN204921413U (en) | 2015-07-17 | 2015-07-17 | Type of making an uproar fan falls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520522565.6U CN204921413U (en) | 2015-07-17 | 2015-07-17 | Type of making an uproar fan falls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204921413U true CN204921413U (en) | 2015-12-30 |
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ID=54970547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520522565.6U Expired - Fee Related CN204921413U (en) | 2015-07-17 | 2015-07-17 | Type of making an uproar fan falls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204921413U (en) |
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2015
- 2015-07-17 CN CN201520522565.6U patent/CN204921413U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20210717 |