CN104295535A - Serial fan - Google Patents
Serial fan Download PDFInfo
- Publication number
- CN104295535A CN104295535A CN201310318392.1A CN201310318392A CN104295535A CN 104295535 A CN104295535 A CN 104295535A CN 201310318392 A CN201310318392 A CN 201310318392A CN 104295535 A CN104295535 A CN 104295535A
- Authority
- CN
- China
- Prior art keywords
- fan
- pedestal
- positioning hole
- housing
- serial
- 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.)
- Granted
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 119
- 230000000694 effects Effects 0.000 description 10
- 239000000203 mixture Substances 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- 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
- F04D29/663—Sound attenuation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/007—Axial-flow pumps multistage 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
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
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- 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
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—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
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A serial fan comprises at least two fans which are combined in series relatively, the fan comprises a fan frame, a driving component and a fan wheel, the fan frame comprises an outer frame and a base, the outer frame is provided with two air guide ports, a flow guide channel is arranged between the two air guide ports, the driving component is arranged on the base of the fan frame, and the fan wheel is rotatably combined with the driving component; the outer frame of at least one fan is provided with a positioning hole, the base is combined with the positioning hole, and a radial buffer gap is formed between the outer side wall of the base and the inner side wall of the positioning hole of the outer frame. Therefore, the vibration transmitted to the outer frame through the base is greatly reduced by utilizing the radial buffer gap.
Description
Technical field
The present invention about a kind of serial fan, especially a kind of serial fan be made up of at least two mutual series combination of fan.
Background technique
Existing serial fan is mutually connected by several fan and formed, and to utilize several fan to promote air quantity, reaches preferably radiating effect whereby; But; usually vibrations situation can be produced in general fan running process; therefore; the existing serial fan be made up of the several fan vibrations situation caused when being applied to various electronics (as host computer etc.) is also relatively serious; wherein this vibrations situation not only can produce noise; also can reduce the running stability of electronics, cause the electronic component contact of electronics inside tired and aging ahead of time, shorten the working life of electronics.
For this reason, please refer to shown in Fig. 1, as TaiWan, China announces " anti-vibration structure of tandem fan " patent of invention case of No. I324504, disclose a kind of existing serial fan 9 with incabloc function.This serial fan 9 includes two fan frames 91 of mutual series combination, 92, this two fan frame 91, 92 are respectively provided with a pedestal 911, 921, this two pedestal 911, 921 all in order in conjunction with an impeller, and this two fan frame 91, a shock-absorbing element 93 is provided with between the face of 92 series combination and face, this shock-absorbing element 93 is made up of the elastic material having shock-absorbing and damping vibration concurrently, whereby, when this two fan frame 91, when the impeller of 92 inside operates, this shock-absorbing element 93 can absorb in order to buffering the vibrations that this impeller produces, to reduce this two fan frame 91, 92 resonance effect formed and vibrating noises.
But, because the impeller of above-mentioned existing serial fan 9 is rotatably incorporated into this fan frame 91, the pedestal 911 of 92, 921, therefore, the vibrations that this impeller produces in operation process have vibrations bang path, also namely via this pedestal 911, 921 are passed to fan frame 91, 92 and produce vibrations situation, although this serial fan 9 can utilize this shock-absorbing element 93 to reduce this two fan frame 91, 92 resonance effect formed and vibrating noises, but its damping effect is quite limited, therefore when this serial fan 9 is applied to electronics or has the electronics of hard disc, this vibrations situation can reduce the running stability of electronics equally, hard disc is even caused to read signal, and still can produce unnecessary noise, cause reduce the working life of electronics.
Summary of the invention
Main purpose of the present invention is to provide a kind of serial fan, effectively can block the bang path of vibrations, in order to the vibrations situation that produces more comprehensively and when effectively reducing the running of this serial fan, for when being applied to electronics, the running stability of electronics can being maintained and reduce vibrating noise person.
For reaching aforementioned invention object, serial fan of the present invention comprises at least two fans of relative series combination, this fan comprises a fan frame, a driven unit and an impeller, this fan frame comprises a housing and a pedestal, this housing is provided with two air guide holes, be provided with a guide channel between this two air guide hole, this driven unit is arranged at the pedestal of this fan frame, and this impeller is rotatably in conjunction with this driven unit; Wherein the housing of at least one fan is provided with a positioning hole, and the positioning hole of this housing has a minimum diameter, and this pedestal has a maximum outside diameter, and this maximum outside diameter is less than or equal to this minimum diameter; Again, this positioning hole is better is provided with an axially locating shoulder, and this pedestal is incorporated into this positioning hole and abuts this axially locating shoulder, preferably, more can form a radial buffer gap between the madial wall of the positioning hole of the outer side wall of this pedestal and this housing.
The described housing with the fan of radial buffer gap is a hollow frame, a wherein air guide hole periphery of this housing is located at by this positioning hole, the pedestal of this fan frame comprises a pedestal, several link and a fitting, one end of this several link connects this pedestal, the other end connects this fitting, this pedestal is fixed on this positioning hole with this fitting, the fitting of this pedestal is connected to this axially locating shoulder, forms this radial buffer gap between the madial wall of the outer side wall of the fitting of this pedestal and the positioning hole of this housing.
The described housing with the fan of radial buffer gap comprises a hollow frame, several link and a fitting, one end of this several link connects the madial wall of this hollow frame, the other end connects this fitting, the pedestal of this fan frame is a pedestal, the fitting of this housing is located at by this positioning hole, the madial wall of the positioning hole of this fitting forms this axially locating shoulder, this pedestal is fixed on this positioning hole and is connected to this axially locating shoulder, forms this radial buffer gap between the madial wall of the positioning hole of the outer side wall of this pedestal and this fitting.
The described housing with the fan of radial buffer gap is a hollow frame, a wherein air guide hole periphery of this housing is located at by this positioning hole, the pedestal of this fan frame comprises a pedestal and several link, one end of several links of this pedestal is incorporated into this positioning hole, and a periphery of one end of this several link is connected to this axially locating shoulder, form this radial buffer gap between the madial wall of one end of one end of this several link and the positioning hole of this housing, and the other end of this several link connects this pedestal
Described fan is one first fan and one second fan of two mutual series combination, all forms this radial buffer gap between the outer side wall of pedestal of this first fan and the second fan and the madial wall of the positioning hole of housing.
The pedestal of described first fan and the second fan is clamped and fastened between the axially locating shoulder of this first fan and the axially locating shoulder of this second fan in the axial direction.
Described first fan and the second fan interfix with a fixing-assembly.This fixing-assembly is better comprises at least one first fastener and at least one second fastener, this at least one first fastener is arranged at this first fan, this at least one second fastener is arranged at this second fan, and this first fastener can be combined removably with this second fastener.
A shock-absorbing element is provided with between described fan.
The pedestal of described first fan and the pedestal of this second fan are respectively equipped with a caulking groove, and this shock-absorbing combination of elements is in this caulking groove, and this shock-absorbing element is arranged between the pedestal of this first fan and the pedestal of this second fan.
Described shock-absorbing element outer circumferential face forms a flange, and the pedestal of this first fan and the pedestal of this second fan clamp the flange of this shock-absorbing element jointly.
A wherein air guide hole periphery of the housing of described fan frame is provided with at least one locating notch, and the pedestal of this fan frame is to being provided with at least one locating bump by locating notch, and this locating bump snaps in this locating notch.
The madial wall of described locating notch forms two relative locking flanges, and the outer side wall of this locating bump forms two guide ribs, and this locating bump is forced into this two guide ribs and is incorporated into this locating notch, this two locking flange this two guide ribs spacing.
The positioning hole of the housing of described fan frame is provided with at least one snap groove, and the pedestal of this fan frame is to being provided with at least one elastic fastening plate by snap groove, and this elastic fastening plate is buckled in this snap groove.
Maximum outside diameter by the pedestal of the first fan of above-mentioned serial fan and wherein at least one fan of the second fan is not more than the minimum diameter of this housing, and the radial buffer gap formed between this housing of better fit and this pedestal, when this serial fan is applied to various electronics, even if produce vibrations because of this impeller spinning movement, this radial buffer gap still can be utilized significantly to reduce the vibrations situation being passed to this housing via this pedestal, avoid producing noise and promoting the effects such as electronics working life to reach.
Accompanying drawing explanation
Fig. 1 is the assembled sectional view of existing serial fan.
Fig. 2 is the three-dimensional exploded view of the serial fan of the present invention first preferred embodiment.
Fig. 3 is the assembled sectional view of the serial fan of the present invention first preferred embodiment.
Fig. 4 is the enlarged partial sectional view of the serial fan of the present invention first preferred embodiment.
Fig. 5 is the three-dimensional exploded view that serial fan of the present invention has locating notch and locating bump.
Fig. 6 is the three-dimensional enlarged diagram that serial fan of the present invention has locating notch and locating bump.
Fig. 7 is the three-dimensional enlarged diagram that serial fan of the present invention has locking flange and guide ribs.
Fig. 8 is the assembled sectional view that serial fan of the present invention has the relative caulking groove for shock-absorbing combination of elements.
Fig. 9 is the opposing assembled sectional view to caulking groove that serial fan of the present invention has for shock-absorbing combination of elements.
Figure 10 is the assembled sectional view that the shock-absorbing element of serial fan of the present invention is provided with flange.
Figure 11 is the assembled sectional view of the serial fan of the present invention second preferred embodiment.
Figure 12 is the enlarged partial sectional view of the serial fan of the present invention second preferred embodiment.
Figure 13 is the three-dimensional exploded view that serial fan of the present invention has snap groove and elastic fastening plate.
Figure 14 is the three-dimensional enlarged diagram that serial fan of the present invention has snap groove and elastic fastening plate.
Figure 15 is the enlarged partial sectional view that serial fan of the present invention has snap groove and elastic fastening plate.
Figure 16 is the three-dimensional exploded view of the serial fan of the present invention the 3rd preferred embodiment.
Figure 17 is the assembled sectional view of the serial fan of the present invention the 3rd preferred embodiment.
Figure 18 is the enlarged partial sectional view of the serial fan of the present invention the 3rd preferred embodiment.
Figure 19 is serial fan of the present invention in the assembled sectional view of one of them fan-shaped radially buffer gap.
Wherein:
(the present invention)
Frame 11 housing fanned by F1 first fan F2 second fan 1
11a hollow frame 11b link 11c fitting 111 air guide hole
112 air guide hole 113 guide channel 114 positioning hole 115 axially locating shoulders
116 locating notches 117 engage flange 118 snap groove 12 pedestal
12a pedestal 12b link 121b periphery 122b end
12c fitting 121 caulking groove 122 locating bump 122a guide ribs
123 elastic fastening plate 2 driven unit 3 impeller 4 fixing-assemblys
41 first fastener 42 second fastener 5 shock-absorbing element 51 flanges
D radial buffer gap d1 minimum diameter d2 maximum outside diameter
(prior art)
9 serial fan 91 fan frame 911 pedestal 92 fan frames
921 pedestal 93 shock-absorbing elements.
Embodiment
For above-mentioned and other object of the present invention, feature and advantage can be become apparent, preferred embodiment of the present invention cited below particularly, and coordinate institute's accompanying drawings, be described in detail below.
Please refer to shown in Fig. 2 and 3, the serial fan of the present invention first preferred embodiment at least includes one first fan F1 and one second fan F2, and this first fan F1 and the second fan F2 can axially relatively and series combination.
This first fan F1 comprises fan frame 1, driven unit 2 and an impeller 3.This fan frame 1 comprises housing 11 and a pedestal 12, this housing 11 is provided with two air guide holes 111, 112, this two air guide hole 111, a guide channel 113 is provided with between 112, wherein this two air guide hole 111, 112 can respectively as the purposes of wind inlet and exhaust outlet, practical application can set any one air guide hole as wind inlet or exhaust outlet, this housing 11 is provided with a positioning hole 114, and this positioning hole 114 is provided with an axially locating shoulder 115, this pedestal 12 is incorporated into this positioning hole 114 and abuts this axially locating shoulder 115, as shown in figs. 3 and 4, the positioning hole 114 of this housing 11 has a minimum diameter d1, this pedestal 12 has a maximum outside diameter d2, this maximum outside diameter d2 is not more than (being namely less than or equal to) this minimum diameter d1, preferably, a radial buffer gap D can be formed between the madial wall of the outer side wall of this pedestal 12 and the positioning hole 114 of this housing 11, wherein, space or space partly that can be whole between the madial wall of the outer side wall of this pedestal 12 and the positioning hole 114 of this housing 11 form this radial buffer gap D.Again, this driven unit 2 is arranged at the pedestal 12 of this fan frame 1, this impeller 3 is rotatably in conjunction with this driven unit 2, enter in this guide channel 113 in order to import air-flow from a wherein air guide hole 111, derived from another air guide hole 112 by air-flow, this driven unit 2 is the various structural designs that can drive this impeller 3 spinning movement, such as: the composition of silicon steel plate group, stator coil or circuit board again, its detailed construction composition and operating principle are for it will be understood by those skilled in the art that appearance does not repeat.
In the present invention first preferred embodiment, the housing 11 of this fan frame 1 is a hollow frame 11a, this positioning hole 114 can be located at this housing 11(and hollow frame 11a) wherein air guide hole 112 periphery, the madial wall being used to the positioning hole 114 of this housing 11 directly forms this axially locating shoulder 115; The pedestal 12 of this fan frame 1 comprises a pedestal 12a, several link 12b and a fitting 12c, this several link 12b one end connects this pedestal 12a, the other end connects this fitting 12c, makes this several link 12b can between this pedestal 12a and this fitting 12c; Wherein this several link 12b can be rib or stator blade (rib of similar flabellum shape), and this fitting 12c can be a retaining ring.Whereby, as shown in figs. 3 and 4, this pedestal 12 is incorporated into this positioning hole 114 with this fitting 12c, and this fitting 12c is connected to this axially locating shoulder 115, and make the outer side wall of the fitting 12c of this pedestal 12 and this housing 11(and hollow frame 11a) positioning hole 114 madial wall between form this radial buffer gap D.
Again, as illustrated in figures 5 and 6, the housing 11 of above-mentioned fan frame 1 wherein air guide hole 112 periphery is better is provided with at least one locating notch 116, the pedestal 12 of this fan frame 1 is to should locating notch 116 is better is provided with at least one locating bump 122, and this locating bump 122 can snap in this locating notch 116; Whereby, the engaging of this locating bump 122 recycling and this locating notch 116, makes the assembling of this housing 11 and this pedestal 12 more easy, and provides radial rotation to move function, and also has more firm in conjunction with fixed effect between this housing 11 and this pedestal 12.In addition, as shown in Figure 7, the madial wall of this locating notch 116 is better can form two relative locking flanges 117 further, the outer side wall of this locating bump 122 is better coordinates formation two guide ribs 122a, this locating bump 122 can be forced into by this two guide ribs 122a and be incorporated into this locating notch 116, and utilize this two locking flange 117 this two guide ribs 122a spacing, to reach the locating effect preventing this pedestal 12 from axially coming off.
Second fan F2 of the present invention first preferred embodiment forms roughly the same with the structure of above-mentioned first fan F1, and it includes the components such as above-mentioned fan frame 1, driven unit 2 and impeller 3 equally, therefore, holds the structure composition not repeating to repeat this second fan F2.Whereby, as seen in figures 2 and 3, the present invention first fan F1 and the second fan F2 can axially relatively and series combination, this pedestal 12 is clamped and fastened between the axially locating shoulder 115 of this first fan F1 and the axially locating shoulder 115 of this second fan F2 in the axial direction, and still there is between this pedestal 12 and this housing 11 this radial buffer gap D.Again, the better fixing-assembly 4 that utilizes further of this first fan F1 and the second fan F2 is fixed, and gets loose effectively to prevent this first fan F1 and the second fan F2; Wherein this fixing-assembly 4 can be the fixed structure that the modes such as buckle, locking or welding be formed, in this preferred embodiment, this fixing-assembly 4 comprises several first fastener 41 and several second fastener 42(can be also respectively one), this several first fastener 41 is arranged at this first fan F1, this several second fastener 42 is arranged at this second fan F2, this first fastener 41 and this second fastener 42 buckle structure each other for being combined removably; Whereby, when after this first fan F1 and the second fan F2 series combination, this fixing-assembly 4 can provide the fixed function that this first fan F1 and the second fan F2 axis is anti-detachment and radial rotation is dynamic simultaneously.
Please refer to shown in Fig. 8, goodly between the present invention first fan F1 and the second fan F2 be separately provided with a shock-absorbing element 5, this shock-absorbing element 5 can select the elastic material with shock-absorbing and pooling feature to make, such as: rubber, bubble is continuous, sponge, excellent power glue etc., in embodiment as shown in the figure, the pedestal 12 of this first fan F1 and the pedestal 12 of the second fan F2 are respectively equipped with the caulking groove 121 combined for this shock-absorbing element 5, in embodiment as shown in the figure, the caulking groove 121 of the pedestal 12 of this first fan F1 and the pedestal 12 of the second fan F2 is relative setting, this shock-absorbing element 5 is arranged between the pedestal 12 of this first fan F1 and the pedestal 12 of the second fan F2, or as shown in Figure 9, the caulking groove 121 of the pedestal 12 of this first fan F1 and the pedestal 12 of the second fan F2 also can be opposing to setting, then can grip this shock-absorbing element 5 between two caulking grooves 121, whereby, when the impeller 3 of this first fan F1 and the second fan F2 operates simultaneously, this impeller 3 rotates the vibrations produced and also can be absorbed by this shock-absorbing element 5 and cushion.Or, as shown in Figure 10, this shock-absorbing element 5 outer circumferential face is better forms a flange 51, the pedestal 12 of this first fan F1 and the pedestal 12 of the second fan F2 clamp the flange 51 of this shock-absorbing element 5 jointly, whereby, this shock-absorbing element 5 is made can be more firmly incorporated between the pedestal 12 of this first fan F1 and the pedestal 12 of the second fan F2.
Please refer to shown in Figure 11 and 12, the serial fan of the present invention second preferred embodiment comprises the first fan F1 and the second fan F2 equally.Wherein the structure characteristic of this first fan F1 and the second fan F2 and composition roughly identical with above-mentioned first preferred embodiment, its difference is: in the present invention second preferred embodiment, the housing 11 of this fan frame 1 comprises a hollow frame 11a, a several link 11b and fitting 11c, this several link 11b one end connects the madial wall of this hollow frame 11a, the other end connects this fitting 11c, make this several link 11b between this hollow frame 11a and this fitting 11c, wherein this several link 11b can be rib or stator blade (rib of similar flabellum shape), this fitting 11c can be a retaining ring, the pedestal 12 of this fan frame 1 is a pedestal 12a.Whereby, the fitting 11c of this housing 11 is located at by this positioning hole 114, the madial wall being used to the positioning hole 114 of this fitting 11c directly forms this axially locating shoulder 115, this pedestal 12(and pedestal 12a) be incorporated into this positioning hole 114 and be connected to this axially locating shoulder 115, and make this pedestal 12(and pedestal 12a) outer side wall and this fitting 11c positioning hole 114 madial wall between form this radial buffer gap D.
Again, as shown in Figure 13,14 and 15, the positioning hole 114 of the housing 11 of above-mentioned fan frame 1 is better is provided with at least one snap groove 118, and the pedestal 12 of this fan frame 1 is to should snap groove 118 is better is provided with at least one elastic fastening plate 123, and this elastic fastening plate 123 can be buckled in this snap groove 118; Whereby, this pedestal 12 can utilize this elastic fastening plate 123 Quick fastening in the snap groove 118 of this housing 11, to assemble convenience with promoting and to prevent the axial locating effect come off of this pedestal 12 simultaneously.
Please refer to shown in Figure 16,17 and 18, the serial fan of the present invention the 3rd preferred embodiment comprises the first fan F1 and the second fan F2 equally.Wherein the structure characteristic of this first fan F1 and the second fan F2 and composition roughly identical with above-mentioned first preferred embodiment, its difference is: in the present invention the 3rd preferred embodiment, and the pedestal 12 of this fan frame 1 omits the fitting 12c of the first preferred embodiment; Whereby, one end that this pedestal 12 does not connect this pedestal 12a with this several link 12b is incorporated into this positioning hole 114, and a periphery 121b(of one end of this several link 12b is as shown in figure 18) be connected to this axially locating shoulder 115, and make an end 122b of one end of this several link 12 and this housing 11(and hollow frame 11a) positioning hole 114 madial wall between form this radial buffer gap D.
Again, the maximum outside diameter d2 that the serial fan that each preferred embodiment of the invention described above discloses all has a pedestal 12 of this first fan F1 and the second fan F2 be not more than the minimum diameter d1 of the positioning hole 114 of this housing 11 in conjunction with kenel; But as shown in figure 19, serial fan of the present invention also can comply with actual user demand, and only formed between the pedestal 12 and this housing 11 of a wherein fan above-mentioned this in conjunction with kenel, for it will be appreciated by those skilled in the art that.
By the serial fan that each preferred embodiment of the invention described above discloses, maximum outside diameter d2 due to the pedestal 12 of wherein at least one fan of this first fan F1 and the second fan F2 is not more than the minimum diameter d1 of the positioning hole 114 of this housing 11, therefore, this pedestal 12 is made to be gripped by this first fan F1 and the second fan F2 in the axial direction; Whereby, when serial fan of the present invention is applied to various electronics, and be arranged at driven unit 2 on this pedestal 12 when producing vibrations driving this impeller 3 spinning movement, effectively can block the bang path of vibrations, and better this radial buffer gap D that utilizes is significantly to reduce the vibrations situation being passed to this housing 11 via this pedestal 12, and then this vibrations situation is effectively avoided to reduce the running stability of this electronics and reduce noise; Again, particularly better when being provided with this shock-absorbing element 5 between the present invention first fan F1 and the second fan F2, even if this pedestal 12 is gripped in the axial direction, but still can by this shock-absorbing element 5 further buffering and absorb the vibrations that this impeller 3 produces, like this will have more significant buffering and damping effect, avoid producing noise and promoting the effects such as electronics working life to reach.
Claims (18)
1. a serial fan, is characterized in that, comprising:
At least two fans of series combination, respectively this fan comprises fan frame, a driven unit and an impeller, this fan frame comprises a housing and a pedestal, this housing is provided with two air guide holes, a guide channel is provided with between these two air guide holes, this driven unit is arranged at the pedestal of this fan frame, and this impeller is rotatably in conjunction with this driven unit;
Wherein the housing of at least one fan is provided with a positioning hole, and this pedestal is incorporated into this positioning hole, and the positioning hole of this housing has a minimum diameter, and this pedestal has a maximum outside diameter, and this maximum outside diameter is less than or equal to this minimum diameter.
2. serial fan as claimed in claim 1, is characterized in that, form a radial buffer gap between the madial wall of the positioning hole of the outer side wall of this pedestal and this housing.
3. serial fan as claimed in claim 2, it is characterized in that, this positioning hole is provided with an axially locating shoulder, and this pedestal abuts this axially locating shoulder.
4. serial fan as claimed in claim 3, it is characterized in that, the housing with the fan of radial buffer gap is a hollow frame, one of them air guide hole periphery of this housing is located at by this positioning hole, the pedestal of this fan frame comprises a pedestal, several link and a fitting, one end of this several link connects this pedestal, the other end connects this fitting, this pedestal is fixed on this positioning hole with this fitting, the fitting of this pedestal is connected to this axially locating shoulder, this radial buffer gap is formed between the madial wall of the outer side wall of the fitting of this pedestal and the positioning hole of this housing.
5. serial fan as claimed in claim 3, it is characterized in that, the housing with the fan of radial buffer gap comprises a hollow frame, several link and a fitting, one end of this several link connects the madial wall of this hollow frame, the other end connects this fitting, the pedestal of this fan frame is a pedestal, the fitting of this housing is located at by this positioning hole, the madial wall of the positioning hole of this fitting forms this axially locating shoulder, this pedestal is fixed on this positioning hole and is connected to this axially locating shoulder, this radial buffer gap is formed between the madial wall of the positioning hole of the outer side wall of this pedestal and this fitting.
6. serial fan as claimed in claim 3, it is characterized in that, the housing with the fan of radial buffer gap is a hollow frame, one of them air guide hole periphery of this housing is located at by this positioning hole, the pedestal of this fan frame comprises a pedestal and several link, one end of several links of this pedestal is incorporated into this positioning hole, and a periphery of one end of this several link is connected to this axially locating shoulder, this radial buffer gap is formed between the madial wall of one end of one end of this several link and the positioning hole of this housing, and the other end of this several link connects this pedestal.
7. the serial fan as described in claim 3,4,5 or 6, it is characterized in that, this fan is first fan and second fan of two mutual series combination, all forms this radial buffer gap between the outer side wall of pedestal of this first fan and the second fan and the madial wall of the positioning hole of housing.
8. serial fan as claimed in claim 7, it is characterized in that, the pedestal of this first fan and the second fan is clamped and fastened between the axially locating shoulder of this first fan and the axially locating shoulder of this second fan in the axial direction.
9. serial fan as claimed in claim 7, it is characterized in that, this first fan and the second fan interfix with a fixing-assembly.
10. serial fan as claimed in claim 9, it is characterized in that, this fixing-assembly comprises at least one first fastener and at least one the second fastener, this at least one first fastener is arranged at this first fan, this at least one second fastener is arranged at this second fan, and this first fastener can be combined removably with this second fastener.
11. serial fans as described in claim 1,2,3,4,5 or 6, is characterized in that, be provided with a shock-absorbing element between each fan.
12. serial fans as claimed in claim 7, is characterized in that, are provided with a shock-absorbing element between this first fan and this second fan.
13. serial fans as claimed in claim 12, it is characterized in that, the pedestal of this first fan and the pedestal of this second fan are respectively equipped with a caulking groove, and this shock-absorbing combination of elements is in this caulking groove, and this shock-absorbing element is arranged between the pedestal of this first fan and the pedestal of this second fan.
14. serial fans as claimed in claim 12, it is characterized in that, this shock-absorbing element outer circumferential face forms a flange, the pedestal of this first fan and the pedestal of this second fan clamp the flange of this shock-absorbing element jointly.
15. serial fans as described in claim 1,2,3,4,5 or 6, it is characterized in that, one of them air guide hole periphery of the housing of this fan frame is provided with at least one locating notch, the pedestal of this fan frame is to being provided with at least one locating bump by locating notch, and this locating bump snaps in this locating notch.
16. serial fans as claimed in claim 15, it is characterized in that, the madial wall of this locating notch forms two relative locking flanges, the outer side wall of this locating bump forms two guide ribs, this locating bump is forced into these two guide ribs and is incorporated into this locating notch, these two locking flange these two guide ribs spacing.
17. serial fans as described in claim 1,2,3,4,5 or 6, it is characterized in that, the positioning hole of the housing of fan frame is provided with at least one snap groove, and the pedestal of this fan frame is to being provided with at least one elastic fastening plate by snap groove, and this elastic fastening plate is buckled in this snap groove.
18. serial fans as described in claim 4 or 5, it is characterized in that, this fitting is a retaining ring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102125613 | 2013-07-17 | ||
| TW102125613A TWI542789B (en) | 2013-07-17 | 2013-07-17 | Series-connected fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104295535A true CN104295535A (en) | 2015-01-21 |
| CN104295535B CN104295535B (en) | 2018-05-15 |
Family
ID=50133017
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310318392.1A Active CN104295535B (en) | 2013-07-17 | 2013-07-26 | Serial fan |
| CN201320453508.8U Expired - Lifetime CN203453138U (en) | 2013-07-17 | 2013-07-26 | Serial fan |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320453508.8U Expired - Lifetime CN203453138U (en) | 2013-07-17 | 2013-07-26 | Serial fan |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20150023786A1 (en) |
| CN (2) | CN104295535B (en) |
| TW (1) | TWI542789B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105736480A (en) * | 2016-04-28 | 2016-07-06 | 深圳市大雅医疗技术有限公司 | Small fan, air inlet denoising device thereof and respirator adopting same |
| CN106895029A (en) * | 2016-11-29 | 2017-06-27 | 奇鋐科技股份有限公司 | Shock-damping structure and its tandem fan |
| CN110821887A (en) * | 2018-08-13 | 2020-02-21 | 斯德龙有限两合公司 | Motor supporting device of ventilation system and ventilation system |
| CN113383167A (en) * | 2019-07-02 | 2021-09-10 | 依必安-派特圣乔根有限责任两合公司 | Fastening device for two housing parts, in particular for fan housing parts |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI542789B (en) * | 2013-07-17 | 2016-07-21 | 建準電機工業股份有限公司 | Series-connected fan |
| CN104564753A (en) * | 2015-01-26 | 2015-04-29 | 侯如升 | Double-head cooling fan |
| CN107105664A (en) * | 2015-03-05 | 2017-08-29 | 大日本除虫菊株式会社 | Heating, which evapotranspires to be evapotranspired with aqueous pesticide combination and heating, uses the heating evaporation method of aqueous pesticide combination |
| US9739291B2 (en) * | 2015-04-13 | 2017-08-22 | Minebea Mitsumi Inc. | Cooling fan |
| CN106979178B (en) * | 2016-10-24 | 2020-01-17 | 奇鋐科技股份有限公司 | Fan frame with bypass structure and fan thereof |
| US10428839B2 (en) * | 2017-01-08 | 2019-10-01 | Asia Vital Components Co., Ltd. | Vibration damper structure and series fan thereof |
| US11858106B2 (en) | 2019-08-08 | 2024-01-02 | Black & Decker Inc. | Power tools and power tools platform |
| JP7428099B2 (en) * | 2020-07-31 | 2024-02-06 | ニデック株式会社 | axial fan |
| JP2023046766A (en) * | 2021-09-24 | 2023-04-05 | 山洋電気株式会社 | Axial flow blower |
| CN115995908A (en) * | 2021-10-19 | 2023-04-21 | 日本电产株式会社 | Motor and axial fan |
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| CN113383167A (en) * | 2019-07-02 | 2021-09-10 | 依必安-派特圣乔根有限责任两合公司 | Fastening device for two housing parts, in particular for fan housing parts |
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Also Published As
| Publication number | Publication date |
|---|---|
| TW201504528A (en) | 2015-02-01 |
| CN203453138U (en) | 2014-02-26 |
| CN104295535B (en) | 2018-05-15 |
| TWI542789B (en) | 2016-07-21 |
| US20150023786A1 (en) | 2015-01-22 |
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Address after: The new Taiwan China Ya Lu Kaohsiung City No. 30 Lane 296 Applicant after: Jianzhun Electric Motor Industry Co., Ltd. Address before: Are China Taiwan Lingya Kaohsiung No. 120 12 floor 1 Applicant before: Jianzhun Electric Motor Industry Co., Ltd. |
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