CN207814005U - Switching power supply fan - Google Patents
Switching power supply fan Download PDFInfo
- Publication number
- CN207814005U CN207814005U CN201820144827.3U CN201820144827U CN207814005U CN 207814005 U CN207814005 U CN 207814005U CN 201820144827 U CN201820144827 U CN 201820144827U CN 207814005 U CN207814005 U CN 207814005U
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- component
- flabellum
- cavity
- power supply
- switching power
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Abstract
The utility model is related to a kind of Switching Power Supply fans, including the fan frame and executive component component being arranged on the fan frame, rotating shaft assembly and flabellum component, the executive component component is connect with the rotating shaft assembly and the flabellum component respectively.Compared with prior art, the executive component driving of the Switching Power Supply fan drives rotary sleeve rotation, the rotation of rotary sleeve that flabellum component is driven to be rotated around rotary shaft, and the flabellum rotation air-supply of the Switching Power Supply fan is to realize heat dissipation；The Switching Power Supply fan structure is simple, using flabellum odd-numbered blade so that flabellum rotates the electromagnetism that will not generate mutual sympathetic response, therefore will not generate noise caused by electromagentic resonance so that the Switching Power Supply fan muting function is good；Further through flabellum around rotary sleeve rotary motion so that flabellum rotates stress balance, avoids flabellum rotation force unbalance from causing the sound shaken, also improves the stability of flabellum rotation.
Description
Technical field
The utility model is related to radiating device technical fields, and in particular, to a kind of Switching Power Supply fan.
Background technology
Compared to the part on pcb board, Switching Power Supply has higher requirements to radiator portion, and it is more to be often used for cooling fan
The heat generated to electronic component in Switching Power Supply for external coordination component radiates.
Apply fan in Switching Power Supply at present, the noise that the fan of driving will produce, and Switching Power Supply by power grid to being invaded
The external noise entered is also very sensitive, and the fortune that other electronic equipments of interference effect are generated in other electronic equipments is transmitted to through it
Row.
Therefore, a kind of Switching Power Supply fan need to be provided, so as to solve the deficiencies in the prior art.
Utility model content
In order to overcome the deficiencies of the prior art, the utility model provides a kind of Switching Power Supply fan, the Switching Power Supply wind
The muting function of fan is good.
The technical solution of the utility model is as follows：
A kind of Switching Power Supply fan, including fan frame and be arranged on the fan frame executive component component,
Rotating shaft assembly and flabellum component, the executive component component are connect with the rotating shaft assembly and the flabellum component respectively；
It is provided with support frame on the fan frame and houses the executive component component, the rotating shaft assembly and the flabellum group
The direction of the cavity of part, the support frame toward the cavity protrudes out a connecting pole；The executive component component include mounting plate,
Branch sleeve and executive component, the mounting plate are mounted on the support frame, and the branch sleeve is mounted on the installation
On plate, the executive component is mounted in the outside wall surface of the branch sleeve；The rotating shaft assembly includes rotary shaft, at least two
A bearing and rotary sleeve, the rotary shaft and the bearing are arranged in the cavity, and two bearings are socketed in institute respectively
It states the both ends of rotary shaft, the rotary shaft and the rotary sleeve to connect with the flabellum component, the inner wall circumference of the rotary sleeve
Face abuts with the executive component surface and wraps the branch sleeve and the executive component, the excircle of the rotary sleeve
Face is abutted with the internal face of the flabellum component；The flabellum component includes rotatable connection sleeve and is arranged in the rotatable connection
Flabellum on sleeve.
Preferably, there are three steps, the step to divide the inner cavity of the connecting pole for setting on the inner cavity of the connecting pole
For the first cavity, the second cavity, third cavity and the 4th cavity；The interior diameter of first cavity is more than second cavity
Interior diameter, the interior diameter of second cavity are more than the interior diameter of the third cavity, the interior diameter of second cavity and institute
The interior diameter for stating the 4th cavity is equal.
Preferably, it is arranged on the mounting plate and link block is installed, the second mounting hole is offered on the installation link block,
The connecting hole being connect with the connecting pole is additionally provided on the mounting plate；One fastener passes through second mounting hole to be arranged
The mounting plate is mounted on the fan frame on four skeletons of the support frame.
Preferably, at least six third mounting holes are offered on the branch sleeve；One fastener is pacified across the third
Hole is filled to be arranged the branch sleeve on the mounting plate on the mounting plate.Wherein, the shape of the branch sleeve
Shape is preferably hexagonal prisms, and the executive component distribution is arranged on the hexagonal prisms lateral surface of the branch sleeve；It is described to execute member
Part is preferably motor.
Preferably, the vestibule for placing the rotating shaft assembly is provided on the branch sleeve, the branch sleeve passes through
Vestibule is socketed on the connecting pole, and the executive component component is arranged on the fan frame.
Preferably, two bearings are respectively first bearing and second bearing, and the first bearing setting is described the
It is abutted in two cavities and with the internal face of second cavity, the bearing in the first bearing is arranged in one end of the rotary shaft
Kong Shang, the second bearing is socketed in the rotary shaft of the other end and the second bearing is arranged in the 4th cavity
In and abut with the internal face of the 4th cavity rotary shaft be arranged in the cavity.
Preferably, link slot is offered in the rotary shaft；The overall diameter of the rotary shaft is less than or equal to the bearing
Bearing hole interior diameter.Wherein, the rotary sleeve is preferably shaped to hollow cylindrical.
Preferably, it is provided with the rotatable connection column that connection is matched with the link slot in the rotatable connection sleeve, it is described
Rotatable connection sleeve is socketed on the rotary sleeve and the excircle in rotatable connection the sleeve lining face and the rotary sleeve
Side abuts.
Preferably, the flabellum on the rotatable connection sleeve is provided with seven；The inner cavity of the rotatable connection sleeve
Diameter is greater than or equal to the overall diameter of the rotary sleeve.
Preferably, the first mounting hole is offered on four arms of angle of the fan frame, along turning for first mounting hole
Angle both sides open up fluted.
Preferably, the support frame is the skeleton that four supporting racks form boss shape.
The beneficial effects of the utility model are：Compared with prior art, the executive component of the Switching Power Supply fan drives band
Dynamic rotary sleeve rotation, the rotation of rotary sleeve drive flabellum component to be rotated around rotary shaft, the flabellum rotation of the Switching Power Supply fan
Air-supply is to realize heat dissipation.The Switching Power Supply fan structure is simple, using flabellum odd-numbered blade so that flabellum rotation will not generate
The electromagnetism of mutual sympathetic response, therefore noise caused by electromagentic resonance will not be generated so that the Switching Power Supply fan muting function
It is good；Further through flabellum around rotary sleeve rotary motion so that flabellum rotates stress balance, and flabellum rotation force unbalance is avoided to draw
The sound shaken is acted, the stability of flabellum rotation is also improved.
Description of the drawings：
Fig. 1 is the structural schematic diagram of Switching Power Supply fan described in the utility model.
Fig. 2 is the positive structure diagram of Switching Power Supply fan described in the utility model.
Fig. 3 is the schematic cross-sectional view at the places the utility model Fig. 2A-A.
Fig. 4 is the structural decomposition diagram of Switching Power Supply fan described in the utility model.
Fig. 5 is another angled arrangement decomposition diagram of Switching Power Supply fan described in the utility model.
Specific implementation mode
In order to make the goal of the invention of the utility model, technical solution and technique effect are more clearly understood, with reference to tool
Body embodiment is described further the utility model.It should be understood that specific embodiment described herein, be only used for explaining
The utility model is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not offered as being unique embodiment.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model
The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more relevant Listed Items.
Referring to figs. 1 to Fig. 5, the Switching Power Supply fan of the utility model, including fan frame 100 and setting are in the wind
Executive component component 200, rotating shaft assembly 300 in fan frame 100 and flabellum component 400, the executive component component 200 divide
It is not connect with the rotating shaft assembly 300 and the flabellum component 400.
Referring to figs. 1 to Fig. 5, it is provided with support frame 110 on the fan frame 100 and houses the executive component component
200, the cavity 120 of the rotating shaft assembly 300 and the flabellum component 400, the support frame 110 is toward the cavity 120
Direction protrude out a connecting pole 130.Wherein, for the ease of the Switching Power Supply fan to be mounted in a Switching Power Supply, the wind
The first mounting hole 101 is offered on four arms of angle of fan frame 100；In order to reduce cost and beauty, 100 4 side of the fan frame
Turning both sides open up fluted 102.For the ease of the installation of the rotating shaft assembly 300, on the inner cavity of the connecting pole 130
There are three step 131, the steps 131, and the inner cavity of the connecting pole 130 is divided into the first cavity 132, the second cavity for setting
133, third cavity 134 and the 4th cavity 135.In the present embodiment, the support frame 110 is that four supporting racks form wheel hub
The skeleton of shape.The interior diameter of first cavity 132 is more than the interior diameter of second cavity 133, second cavity 133
Interior diameter be more than the interior diameter of the third cavity 134, the interior diameter of second cavity 133 is interior with the 4th cavity
Diameter is equal.
With reference to Fig. 3 to Fig. 5, the executive component component 200 includes mounting plate 210, branch sleeve 220 and executive component
230；The mounting plate 210 is mounted on the support frame 110, and the branch sleeve 220 is mounted on the mounting plate 210
On, the executive component 230 is mounted in the outside wall surface of the branch sleeve 220.Wherein, in order to by the branch sleeve 220
On the mounting plate 210, setting and installation link block 211 on the mounting plate 210, on the installation link block 211
The second mounting hole 212 is offered, the connecting hole 213 being connect with the connecting pole 130 is additionally provided on the mounting plate 210.For
The branch sleeve 220 is mounted on the mounting plate 210, offers at least six thirds on the branch sleeve 220
Mounting hole 221.In the present embodiment, a fastener passes through the third mounting hole 221 to be arranged institute on the mounting plate 210
Branch sleeve 220 is stated on the mounting plate 210, fastener passes through second mounting hole 212 to be arranged in the support
The mounting plate 210 is mounted on the fan frame 100 on four skeletons of skeleton 110.The shape of the branch sleeve 220
Shape is preferably hexagonal prisms, and the distribution of the executive component 230 is arranged on the hexagonal prisms lateral surface of the branch sleeve 220.It is described
Executive component 230 is preferably motor.The fastener is preferably pin, screw, bolt, Self-locking screw etc..
It is provided on the branch sleeve 220 with reference to Fig. 3 to Fig. 5 in order to drive the rotation of the rotating shaft assembly 300
The vestibule 222 of the rotating shaft assembly 300 is placed, the branch sleeve 220 is socketed in the connecting pole 130 by vestibule 222
On by the executive component component 200 be arranged on the fan frame 100.In order to by the branch sleeve 220 and the company
It connects column 130 to be connected and fixed, screw thread is provided on the vestibule 222.
With reference to Fig. 3 to Fig. 5, the rotating shaft assembly 300 includes rotary shaft 310, at least two bearings 320 and rotary sleeve
330, the rotary shaft 310 and the bearing 320 are arranged in the cavity 120, and two bearings 320 are socketed in institute respectively
It states the both ends of rotary shaft 310, the rotary shaft 310 and the rotary sleeve 330 to connect with the flabellum component 400, the rotation
The inner wall periphery of set 330 is abutted with 230 surface of the executive component by the branch sleeve 220 and the executive component 230
It wraps, the outer circumference surface of the rotary sleeve 330 is abutted with the internal face of the flabellum component 400.Wherein, two bearings
320 be respectively first bearing 321 and second bearing 322, the first bearing 321 be arranged in second cavity 133 and with
The internal face of second cavity 133 abuts, and the bearing hole in the first bearing 321 is arranged in one end of the rotary shaft 310
On, the second bearing 322 is socketed in the rotary shaft 310 of the other end and the second bearing 322 is arranged described
It is abutted in 4th cavity 135 and with the internal face of the 4th cavity 135 and the rotary shaft 310 is arranged in the cavity 120
In.In order to be connect with the flabellum component 400, link slot 311 is offered in the rotary shaft 310.In the present embodiment, described
The overall diameter of rotary shaft 310 is less than or equal to the bearing hole interior diameter of the bearing 320.The shape of the rotary sleeve 330 is preferred
Design for hollow cylindrical, the rotary sleeve 330 makes 400 rotary motion stress balance of the flabellum component, avoid rotation by
Power imbalance causes the sound shaken, also improves the stability of flabellum rotation.
Referring to figs. 1 to Fig. 5, the flabellum component 400 includes that rotatable connection sleeve 410 and setting are covered in the rotatable connection
Cylinder 410 on flabellum 420, it is described rotatable connection sleeve 410 in be provided with match with the link slot 311 connect rotatable connection
Column 411, the rotatable connection sleeve 410 be socketed on the rotary sleeve 330 and 410 internal face of rotatable connection sleeve with
The outside circumference of the rotary sleeve 330 abuts, and the connecting cylinder 411 is connect with the link slot 311.Wherein, it is
Do not generate or reduce noise caused by the electromagentic resonance that flabellum rotation generates, the fan on the rotatable connection sleeve 410
Leaf 420 is provided with seven.The intracavity diameter of the rotatable connection sleeve 410 is greater than or equal to the overall diameter of the rotary sleeve 330.
In the present embodiment, when 400 rotary motion of flabellum component, because of seven flabellums 420 of asymmetrical design, the flabellum
420 rotations not will produce the electromagnetism of mutual sympathetic response, therefore will not generate noise caused by electromagentic resonance so that switch electricity
Source fan muting function is good.
The operation principle of the Switching Power Supply fan：
The driving of the executive component 230 drives the rotary sleeve 330 to rotate, described in the rotation drive of the rotary sleeve 330
Flabellum component 400 is rotated around the rotary shaft 310, and the flabellum rotation air-supply of the Switching Power Supply fan is to realize heat dissipation.It should
Switching Power Supply fan structure is simple, using flabellum odd-numbered blade so that flabellum rotates the electromagnetism that will not generate mutual sympathetic response, therefore
Noise caused by electromagentic resonance will not be generated so that the Switching Power Supply fan muting function is good, by flabellum around rotation
Cover rotary motion so that flabellum rotates stress balance, avoids flabellum rotation force unbalance from causing the sound shaken, also improves fan
The stability of leaf rotation.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, architectural form cans be flexible and changeable, and can be produced with subseries
Product.Several simple deduction or replace are only made, it is true by the claims submitted all to shall be regarded as belonging to the utility model
Fixed scope of patent protection.
Claims (10)
1. a kind of Switching Power Supply fan, including fan frame (100) and setting execute member on the fan frame (100)
Part component (200), rotating shaft assembly (300) and flabellum component (400), which is characterized in that the executive component component (200) point
It is not connect with the rotating shaft assembly (300) and the flabellum component (400)；
It is provided with support frame (110) on the fan frame (100) and houses the executive component component (200), the rotation
The cavity (120) of rotating assembly (300) and the flabellum component (400), the past cavity (120) of the support frame (110)
Direction protrude out a connecting pole (130)；
The executive component component (200) includes mounting plate (210), branch sleeve (220) and executive component (230), the peace
Loading board (210) is mounted on the support frame (110), and the branch sleeve (220) is mounted on the mounting plate (210),
The executive component (230) is mounted in the outside wall surface of the branch sleeve (220)；
The rotating shaft assembly (300) includes rotary shaft (310), at least two bearings (320) and rotary sleeve (330), the rotation
Shaft (310) and the bearing (320) are arranged in the cavity (120), and two bearings (320) are socketed in described respectively
The both ends of rotary shaft (310), the rotary shaft (310) and the rotary sleeve (330) are connect with the flabellum component (400), institute
It states the inner wall periphery of rotary sleeve (330) and the executive component (230) surface is abutted the branch sleeve (220) and described
Executive component (230) wraps, and the outer circumference surface of the rotary sleeve (330) is abutted with the internal face of the flabellum component 400；
The flabellum component (400) includes the fan of rotatable connection sleeve (410) and setting on the rotatable connection sleeve (410)
Leaf (420).
2. Switching Power Supply fan according to claim 1, which is characterized in that be arranged on the inner cavity of the connecting pole (130)
There are three step (131), the inner cavity of the connecting pole (130) is divided into the first cavity (132), second type by the step (131)
Chamber (133), third cavity (134) and the 4th cavity (135)；The interior diameter of first cavity (132) is more than the second type
The interior diameter of chamber (133), the interior diameter of second cavity (133) are more than the interior diameter of the third cavity (134), and described the
The interior diameter of two cavities (133) is equal with the interior diameter of the 4th cavity.
3. Switching Power Supply fan according to claim 1, which is characterized in that setting and installation on the mounting plate (210)
Link block (211) offers the second mounting hole (212) on the installation link block (211), is also set on the mounting plate (210)
It is equipped with the connecting hole (213) being connect with the connecting pole (130)；One fastener passes through second mounting hole (212) to be arranged
The mounting plate (210) is mounted on the fan frame (100) on four skeletons of the support frame (110).
4. Switching Power Supply fan according to claim 1, which is characterized in that offered on the branch sleeve (220) to
Few six third mounting holes (221)；One fastener passes through the third mounting hole (221) to be arranged on the mounting plate (210)
The branch sleeve (220) is mounted on the mounting plate (210)；It is provided with described in placement on the branch sleeve (220)
The vestibule (222) of rotating shaft assembly (300), the branch sleeve (220) are socketed in the connecting pole by vestibule (222)
(130) the executive component component (200) is arranged on the fan frame (100) on.
5. Switching Power Supply fan according to claim 2, which is characterized in that two bearings (320) are respectively first
Bearing (321) and second bearing (322), the first bearing (321) are arranged in second cavity (133) and with described the
The internal face of two cavities (133) abuts, and the bearing hole in the first bearing (321) is arranged in one end of the rotary shaft (310)
On, the second bearing (322) is socketed in the rotary shaft (310) of the other end and the second bearing (322) is arranged
It is abutted in the 4th cavity (135) and with the internal face of the 4th cavity (135) and the rotary shaft (310) setting exists
In the cavity (120).
6. Switching Power Supply fan according to claim 1, which is characterized in that offer connection on the rotary shaft (310)
Slot (311)；The overall diameter of the rotary shaft (310) is less than or equal to the bearing hole interior diameter of the bearing (320).
7. Switching Power Supply fan according to claim 6, which is characterized in that setting in the rotatable connection sleeve (410)
There are the rotatable connection column (411) for matching connection with the link slot (311), the rotatable connection sleeve (410) to be socketed in described
On rotary sleeve (330) and rotatable connection sleeve (410) internal face and the outside circumference of the rotary sleeve (330) are supported
It connects.
8. Switching Power Supply fan according to claim 1, which is characterized in that the institute on the rotatable connection sleeve (410)
It states flabellum (420) and is provided with seven；The intracavity diameter of the rotatable connection sleeve (410) is greater than or equal to the rotary sleeve
(330) overall diameter.
9. Switching Power Supply fan according to claim 1, which is characterized in that on four arms of angle of the fan frame (100)
The first mounting hole (101) is offered, is opened up fluted (102) along the turning both sides of first mounting hole (101).
10. Switching Power Supply fan according to claim 1, which is characterized in that the support frame (110) is four supports
Frame forms the skeleton of boss shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820144827.3U CN207814005U (en) | 2018-01-27 | 2018-01-27 | Switching power supply fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820144827.3U CN207814005U (en) | 2018-01-27 | 2018-01-27 | Switching power supply fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207814005U true CN207814005U (en) | 2018-09-04 |
Family
ID=63321760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820144827.3U Active CN207814005U (en) | 2018-01-27 | 2018-01-27 | Switching power supply fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207814005U (en) |
-
2018
- 2018-01-27 CN CN201820144827.3U patent/CN207814005U/en active Active
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