CN218298946U - Computer fan with magnetic attraction structure - Google Patents
Computer fan with magnetic attraction structure Download PDFInfo
- Publication number
- CN218298946U CN218298946U CN202222494156.2U CN202222494156U CN218298946U CN 218298946 U CN218298946 U CN 218298946U CN 202222494156 U CN202222494156 U CN 202222494156U CN 218298946 U CN218298946 U CN 218298946U
- Authority
- CN
- China
- Prior art keywords
- magnetic part
- magnetic
- impeller
- rotating shaft
- computer fan
- 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.)
- Active
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a computer fan with magnetic attraction structure, which comprises a shell, a rotating shaft and a second magnetic part, wherein the shell is a frame body provided with a rotating interval, the bottom of the rotating interval is provided with a base, the middle part of the base is provided with a pivoting seat, the pivoting seat is provided with a pivoting hole, the rotating shaft is rotatably arranged in the pivoting hole, the outer wall of the rotating shaft is fixedly provided with a rotor, and the rotating shaft is provided with an impeller; the base is equipped with first magnetic part, first magnetic part is equipped with the clearance with the diapire support of pivot, the upper wall position of pivot seat is located to the second magnetic part, the impeller is equipped with the third magnetic part that sets up with second magnetic part is relative. Through set up second magnetic part and third magnetic part at base and impeller, wherein second magnetic part and third magnetic part keep away from the axle center part, consequently can exert radial downforce to impeller and pivot, consequently can realize the high-speed rotation of impeller, and simple structure, avoided the problem that the impeller appears droing.
Description
Technical Field
The utility model relates to a computer fan field, in particular to computer fan with magnetic attraction structure.
Background
The blades of an axial fan push air to flow in the same direction as the shaft. The impeller and propeller of an axial fan are somewhat similar in that, in operation, the majority of the airflow is directed parallel to the shaft, in other words, in the axial direction. The axial flow fan has the lowest power consumption when the inlet air flow is free air of 0 static pressure, and the power consumption is increased along with the rising of the counter pressure of the air flow when the axial flow fan is operated. Axial fans are usually installed in cabinets of electrical equipment and sometimes integrated in motors, and are widely used because they are compact in structure, save a lot of space, and are convenient to install.
It is widely used in heat dissipation of computers, such as CPUs, video cards, power supplies, and the like. However, when the existing computer fan rotates at a high speed, the floating value exists in the rotating shaft and the rotating seat, so that friction is effectively reduced, but when the rotating speed exceeds a preset value, the problem that the rotating shaft is separated from the rotating seat can occur, so that larger noise is generated or the problem that the rotating shaft falls off occurs in the existing fan structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a computer fan with magnetic attraction structure aims at through magnetic attraction structure, can effectively improve the rotational speed of pivot when guaranteeing the relative unsteady value of pivot, and rotates stably.
In order to achieve the above object, the utility model provides a computer fan with magnetic attraction structure, include:
the device comprises a shell, a rotating mechanism and a rotating mechanism, wherein the shell is a frame body provided with a rotating interval, the bottom of the rotating interval is provided with a base, the middle part of the base is provided with a pivoting seat, and the pivoting seat is provided with a pivoting hole;
the rotating shaft is rotatably arranged in the pivoting hole, a rotor is fixedly arranged on the outer wall of the rotating shaft, and the rotating shaft is provided with an impeller;
the base is provided with a first magnetic part, and a gap is formed between the first magnetic part and the bottom wall support of the rotating shaft;
the second magnetic part is arranged on the pivot seat, the impeller is provided with a third magnetic part arranged opposite to the second magnetic part, and the second magnetic part and the third magnetic part are mutually matched and can apply downward movement pressure to the impeller.
In the technical scheme of the utility model, the outer wall of the pivot seat is provided with the iron core, when the iron core is electrified, the rotor is driven to rotate relatively, and the rotating shaft moves downwards under the adsorption action of the first magnetic part, so that the rotating concentricity of the rotating shaft can be maintained, but the rotating shaft is not contacted with the first magnetic part, and the resistance is smaller; meanwhile, the second magnetic part and the third magnetic part are arranged on the base and the impeller, and the second magnetic part and the third magnetic part are far away from the axle center part, so that radial downward pressure can be applied to the impeller and the rotating shaft, high-speed rotation of the impeller can be realized, the structure is simple, and the problem that the impeller falls off is avoided.
Drawings
Fig. 1 is a sectional view (three-dimensional view) of the present invention;
fig. 2 is a sectional view of the present invention;
FIG. 3 is a perspective view of the present invention;
fig. 4 is a perspective view of the housing.
In the drawing, 1 is a housing, 11 is a rotation section, 12 is a base, 2 is a pivot base, 21 is a pivot hole, 3 is a rotation shaft, 31 is a rotor, 4 is an impeller, 51 is a first magnetic member, 52 is a second magnetic member, 53 is a third magnetic member, 61 is a first engaging groove, 62 is a second engaging groove, 63 is a third engaging groove, 71 is a limiting groove, 72 is a catch plate, and 8 is an iron core.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front, back, top, bottom, inner, outer, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial … …) are involved in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion condition, etc. under a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description relating to "first" or "second", etc. in the embodiments of the present invention, the description of "first" or "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 to 4, a computer fan with a magnetic attraction structure includes:
the device comprises a shell 1, wherein the shell 1 is a frame body provided with a rotating interval 11, the bottom of the rotating interval 11 is provided with a base 12, the middle part of the base 12 is provided with a pivoting seat 2, and the pivoting seat 2 is provided with a pivoting hole 21;
the rotating shaft 3 is rotatably installed in the pivot hole 21, a rotor 31 is fixedly arranged on the outer wall of the rotating shaft 3, and the rotating shaft 3 is provided with an impeller 4;
the base 12 is provided with a first magnetic part 51, and a gap is formed between the first magnetic part 51 and the bottom wall bracket of the rotating shaft 3;
the second magnetic member 52 is arranged on the pivot base 2, the impeller 4 is provided with a third magnetic member 53 arranged opposite to the second magnetic member 52, and the second magnetic member 52 and the third magnetic member 53 are mutually matched and can apply downward movement pressure to the impeller 4.
In specific work, the iron core 8 is arranged on the outer wall of the pivot seat 2, when the iron core 8 is electrified, the rotor 31 is driven to rotate relatively, at the moment, the rotating shaft 3 moves downwards under the adsorption action of the first magnetic part, the rotating concentricity of the rotating shaft 3 can be maintained, but the rotating shaft 3 is not in contact with the first magnetic part 51, and therefore resistance is small; meanwhile, the second magnetic piece 52 and the third magnetic piece 53 are arranged on the base 12 and the impeller 4, wherein the second magnetic piece 52 and the third magnetic piece 53 are far away from the axis part, so that radial downward force can be applied to the impeller 4 and the rotating shaft 3, high-speed rotation of the impeller 4 can be realized, the structure is simple, and the problem that the impeller 4 falls off is avoided.
In the embodiment of the present invention, the second magnetic member 52 is disposed on the upper wall of the pivot seat 2, and the bottom wall of the impeller 4 opposite to the upper wall of the pivot seat 2 is provided with the third magnetic member, in the specific embodiment, the side wall of the upper end of the pivot seat 2 can also achieve the same technical effect.
Specifically, the second magnetic member 52 and the second magnetic member 52 are circular, i.e., concentric circles coaxial with the axis of the rotating shaft 3, so as to ensure the consistency of rotation.
More specifically, the second magnetic member 52 and the third magnetic member 53 are in a closed loop structure, but a structure in which a plurality of magnetic members are arranged at intervals may be adopted, and the same technical effect may be achieved.
Further, a second locking groove 62 is formed in the upper wall of the pivot seat 2, and the second magnetic member 52 is disposed in the second locking groove 62;
the lower wall of the impeller 4 is provided with a third clamping groove 63, and the third magnetic member 53 is arranged in the third clamping groove 63.
Further, at least one of the second magnetic member 52 and the third magnetic member 53 is a magnet. The third magnetic member 53 is a magnet, and the second magnetic member 52 is a metal member (e.g., iron).
The first magnetic member 51, the second magnetic member 52 and the third magnetic member 53 can be fixed by plastic integral molding, glue bonding, etc.
In the embodiment of the present invention, the bottom wall of the casing 1 is provided with a first engaging groove 61, the bottom wall of the casing 1 is provided with the first magnetic member 51, and the bottom ends of the first magnetic member 51 and the rotating shaft 3 are provided with an interval. Thereby realized the magnetism of countershaft 3 and inhaled, downward pressure is all exerted to the last lower extreme of countershaft 3 promptly, reduces the power that rises, and when the rotational speed reached the predetermined value, impeller 4 can drive pivot 3 upward movement to break away from or the great problem of noise appears (but the rotational speed is not showing and is promoting, and the pressure differential of impeller 4 also increases after rising), guarantees that the rotation of pivot 3 is steady.
Specifically, the bottom of the rotating shaft 3 is provided with a limiting groove 71, the bottom of the pivoting seat 2 is provided with a clamping plate 72 matched with the limiting groove 71, and the clamping plate 72 can fix the rotating shaft 3, that is, the clamping plate 72 extends into the limiting groove 71.
More specifically, the bottom end of the rotating shaft 3 is elliptical, so that friction generated during rotation is reduced, i.e., a contact point is smaller.
In the embodiment of the present invention, the outer wall of the pivot seat 2 is provided with an iron core 8.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all be in the utility model discloses a under the design, utilize the equivalent structure transform of what the content of the description and the attached drawing was done, or direct/indirect application all includes in other relevant technical field the utility model discloses a patent protection is within range.
Claims (10)
1. A computer fan with magnetic attraction structure is characterized by comprising:
the device comprises a shell, a rotating mechanism and a rotating mechanism, wherein the shell is a frame body provided with a rotating interval, the bottom of the rotating interval is provided with a base, the middle part of the base is provided with a pivoting seat, and the pivoting seat is provided with a pivoting hole;
the rotating shaft is rotatably arranged in the pivoting hole, a rotor is fixedly arranged on the outer wall of the rotating shaft, and the rotating shaft is provided with an impeller;
the base is provided with a first magnetic part, and a gap is formed between the first magnetic part and the bottom wall support of the rotating shaft;
the second magnetic part is arranged on the pivot seat, the impeller is provided with a third magnetic part arranged opposite to the second magnetic part, and the second magnetic part and the third magnetic part are mutually matched and can apply downward movement pressure to the impeller.
2. The computer fan with magnetic attraction structure of claim 1, wherein: the second magnetic piece is arranged on the upper wall of the pivot seat, and the third magnetic piece is arranged on the bottom wall of the impeller opposite to the upper wall of the pivot seat.
3. The computer fan with magnetic attraction structure of claim 1, wherein: the second magnetic part and the second magnetic part are circular.
4. The computer fan with magnetic attraction structure of claim 3, wherein: the second magnetic part and the third magnetic part are of a closed loop structure.
5. The computer fan with magnetic attraction structure of claim 3, wherein:
the upper wall of the pivot seat is provided with a second clamping groove, and the second magnetic piece is arranged in the second clamping groove;
the lower wall of the impeller is provided with a third clamping groove, and the third magnetic part is arranged in the third clamping groove.
6. The computer fan with magnetic attraction structure of claim 1, wherein: at least one of the second magnetic part and the third magnetic part is a magnet.
7. The computer fan with magnetic attraction structure of claim 1, wherein: the diapire of casing is equipped with first draw-in groove, the diapire of casing is located to first magnetic part, the bottom of first magnetic part and pivot is equipped with the interval.
8. The computer fan with magnetic attraction structure of claim 1, wherein: the bottom of the rotating shaft is provided with a limiting groove, and the bottom of the pivoting seat is provided with a clamping plate matched with the limiting groove.
9. The computer fan with magnetic attraction structure of claim 1, wherein: the bottom end of the rotating shaft is elliptic.
10. The computer fan with magnetic attraction structure of claim 1, wherein: an iron core is arranged on the outer wall of the pivot seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222494156.2U CN218298946U (en) | 2022-09-20 | 2022-09-20 | Computer fan with magnetic attraction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222494156.2U CN218298946U (en) | 2022-09-20 | 2022-09-20 | Computer fan with magnetic attraction structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218298946U true CN218298946U (en) | 2023-01-13 |
Family
ID=84816120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222494156.2U Active CN218298946U (en) | 2022-09-20 | 2022-09-20 | Computer fan with magnetic attraction structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218298946U (en) |
-
2022
- 2022-09-20 CN CN202222494156.2U patent/CN218298946U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4458800B2 (en) | Fan and information device equipped with the same | |
| US7824154B2 (en) | Motor having heat-dissipating structure for circuit component and fan unit including the motor | |
| US7192258B2 (en) | Axial flow type cooling fan with shrouded blades | |
| US7946805B2 (en) | Fan unit including tapered airflow passage | |
| US20070140844A1 (en) | Axial Flow Fan | |
| US20080286135A1 (en) | Serial axial fan unit | |
| US6332758B1 (en) | Air-bearing fan | |
| JP6012034B2 (en) | Axial fan | |
| JP2000320546A (en) | Bearing device and motor provided with the bearing device | |
| CN215344291U (en) | Magnetic suspension motor | |
| CN100529419C (en) | Small pump of liquid cooling heat radiation system | |
| US6416300B1 (en) | Cooling fan structure | |
| JP4006810B2 (en) | Electric motor and heat sink device using the same | |
| CN218298946U (en) | Computer fan with magnetic attraction structure | |
| US8647077B2 (en) | Cooling fan for electronic device | |
| JP2007192217A (en) | Axial-flow fan | |
| US20140134011A1 (en) | Cooling fan with rotor blade flanges for controlling rotor movement | |
| CN201639437U (en) | Motor fan | |
| JP5113454B2 (en) | Blower | |
| JP4670285B2 (en) | Impeller and blower fan having the same | |
| CN213093352U (en) | Novel signal transmitter for electronic engineering | |
| CN221074688U (en) | Coaxial double-blade connecting structure | |
| CN216142941U (en) | Miniature turbofan for electronic equipment | |
| CN103835968A (en) | Cooling fan | |
| CN212563751U (en) | Miniature fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240305 Address after: 511510, 6th Floor, Building 1, Guangdong Zhongqing Industrial Co., Ltd., No. 9 East Huaqing Industrial Avenue, Guangzhou (Qingyuan) Industrial Transfer Industrial Park, Shijiao Town, Qingcheng District, Qingyuan City, Guangdong Province Patentee after: Jiete Technology (Guangdong) Co.,Ltd. Country or region after: China Address before: 510000 floor 3 and floor 4 of Building 2 and floor 4 of Building 1, No. 21, Lingdong Road, Huadu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU ZETA MODEL AIRCRAFT TECHNOLOGY Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |