CN219012931U - Miniature direct current fan with detachable and replaceable fan blades - Google Patents
Miniature direct current fan with detachable and replaceable fan blades Download PDFInfo
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- CN219012931U CN219012931U CN202223538313.1U CN202223538313U CN219012931U CN 219012931 U CN219012931 U CN 219012931U CN 202223538313 U CN202223538313 U CN 202223538313U CN 219012931 U CN219012931 U CN 219012931U
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Abstract
The utility model discloses a miniature direct current fan with detachable and replaceable fan blades, relates to the technical field of miniature direct current fans, and aims to solve the problems that most of the fan blades of the miniature direct current fan of the existing notebook computer are not detachable, are not easy to clean up when dust is cleaned, and cause inconvenient cleaning. The miniature direct current fan comprises a miniature direct current fan body, wherein a mounting cavity is formed in the miniature direct current fan body, the mounting cavity and the miniature direct current fan body are of an integrated structure, and a center rotating plate is arranged in the mounting cavity; further comprises: the outer ring protection plate is arranged outside the central rotation plate, the outer ring protection plate and the central rotation plate are fixed through a hot melt external connection frame on the rear surface, and fan blades are arranged between the central rotation plate and the outer ring protection plate; the limiting slot is arranged at one end of the fan blade, the limiting slot and the fan blade are of an integrated structure, a limiting plug column is arranged on the inner wall of the outer ring protection plate, and the limiting plug column is inserted into the limiting slot.
Description
Technical Field
The utility model relates to the technical field of miniature direct current fans, in particular to a miniature direct current fan with detachable and replaceable fan blades.
Background
Through direct current voltage and electromagnetic induction, electric energy is converted into machinery to drive the fan blade to rotate, and the fan blade is collectively called a direct current fan.
However, most of the miniature direct current fan blades of the existing notebook computer are not detachable, so that the miniature direct current fan blades are not easy to clean up when dust is cleaned, and the cleaning is inconvenient; therefore, the existing requirements are not met, and a miniature direct current fan with detachable and replaceable fan blades is provided.
Disclosure of Invention
The utility model aims to provide a miniature direct current fan with detachable and replaceable fan blades, which solves the problems that most of the fan blades of the miniature direct current fan of the existing notebook computer provided in the background art are not detachable, are not easy to clean up when dust is cleaned, and cause inconvenient cleaning.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a miniature dc fan with removable and replaceable blades, comprising: the miniature direct current fan comprises a miniature direct current fan shell, wherein a mounting cavity is arranged in the miniature direct current fan shell, the mounting cavity and the miniature direct current fan shell are of an integrated structure, and a central rotating plate is arranged in the mounting cavity;
further comprises:
the outer ring protection plate is arranged outside the central rotation plate, the outer ring protection plate and the central rotation plate are fixed through a hot melt external connection frame on the rear surface, and fan blades are arranged between the central rotation plate and the outer ring protection plate;
the limiting slot is arranged at one end of the fan blade, the limiting slot and the fan blade are of an integrated structure, a limiting plug column is arranged on the inner wall of the outer ring protection plate, and the limiting plug column is inserted into the limiting slot.
Preferably, the outer wall of the center rotating plate is provided with a stable slot, the stable slot and the center rotating plate are of an integrated structure, and the other end of the fan blade is inserted into the stable slot.
Preferably, a sealing cover is arranged at the opening of the mounting cavity, and a sealing gasket is arranged on the rear surface of the sealing cover.
Preferably, an impeller protection groove is formed in the center of the sealing cover, and the impeller protection groove and the sealing cover are of an integrated structure.
Preferably, the surface of the sealing cover is provided with a ventilation hole groove, and the ventilation hole groove and the sealing cover are of an integrated structure.
Preferably, the center department of center pivoted board is provided with the impeller subassembly, the outside of impeller subassembly is provided with the coil assembly, the outside of coil assembly is provided with the PBC board subassembly, the one end of PBC board subassembly is provided with the power connecting wire, the junction of power connecting wire and miniature direct current fan casing is provided with the connecting wire recess, and connecting wire recess and miniature direct current fan casing structure as an organic whole.
Preferably, the both sides of miniature direct current fan casing all are provided with the installation ear seat, and installation ear seat and miniature direct current fan casing hot melt are connected, the inside of installation ear seat is provided with the mounting hole groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the central rotating plate and the outer ring guard plate are arranged in the mounting cavity of the miniature direct current fan shell, the fan blades are arranged between the central rotating plate and the outer ring guard plate, one ends of the fan blades are inserted into the stable slots on the outer wall of the central rotating plate, the other ends of the fan blades are sleeved in the limiting inserting posts on the inner wall of the outer ring guard plate by virtue of the limiting slots, the fan blades are extruded and fixed by virtue of extrusion force, the central rotating plate and the fan blades are protected by virtue of the threaded fixation of the sealing cover and the mounting cavity, the falling is avoided, the direct current fan motor consisting of the impeller assembly, the coil assembly and the PBC plate assembly is utilized to drive the central rotating plate to rotate, so that the fan blades and the outer ring guard plate rotate, the heat dissipation treatment is carried out on a notebook computer, and when the fan blades need to be cleaned, the sealing cover is detached firstly, the fan blades are detached, and the cleaning convenience is improved.
2. Through setting up sealed pad at sealed lid rear surface, sealed pad hugs closely sealed lid edge, when sealed lid and installation cavity screw thread are fixed, can extrude the outstanding part of edge to improve the leakproofness and the compactness between sealed lid and the installation cavity, avoid loosening.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a center rotating plate structure of the present utility model;
FIG. 3 is a schematic view of a fan blade according to the present utility model;
FIG. 4 is a schematic rear view of the seal cap of the present utility model;
in the figure: 1. a miniature DC fan housing; 2. installing an ear seat; 3. a mounting hole groove; 4. a mounting cavity; 5. sealing cover; 6. ventilation hole slots; 7. fan blades; 8. a power supply connection line; 9. a connecting wire groove; 10. a center rotating plate; 11. an outer ring protection plate; 12. a PBC plate assembly; 13. an impeller assembly; 14. a coil assembly; 15. a sealing gasket; 16. limiting plug posts; 17. a limit slot; 18. a stabilizing slot; 19. impeller guard groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, an embodiment of the present utility model is provided: a miniature dc fan with removable and replaceable blades, comprising: the miniature direct current fan comprises a miniature direct current fan housing 1, wherein an installation cavity 4 is arranged in the miniature direct current fan housing 1, the installation cavity 4 and the miniature direct current fan housing 1 are of an integrated structure, and a central rotating plate 10 is arranged in the installation cavity 4;
further comprises:
an outer ring guard plate 11 which is provided outside the central rotation plate 10, and the outer ring guard plate 11 and the central rotation plate 10 are fixed by a hot melt external connection frame on the rear surface, and fan blades 7 are provided between the central rotation plate 10 and the outer ring guard plate 11;
the limiting slot 17 is arranged at one end of the fan blade 7, the limiting slot 17 and the fan blade 7 are of an integrated structure, the inner wall of the outer ring protection plate 11 is provided with a limiting plug 16, and the limiting plug 16 is inserted into the limiting slot 17.
One end of the fan blade 7 is inserted into the stable slot 18 of the outer wall of the central rotating plate 10, the other end is sleeved in the limit inserting column 16 of the inner wall of the outer ring protection plate 11 by means of the limit slot 17, the fan blade 7 is extruded and fixed by utilizing extrusion force, when the fan blade 7 needs to be cleaned, the sealing cover 5 is detached firstly, then the fan blade 7 is detached, cleaning is facilitated, and cleaning convenience is improved.
Referring to fig. 2 and 3, the outer wall of the central rotating plate 10 is provided with a stabilizing slot 18, and the stabilizing slot 18 and the central rotating plate 10 are in an integral structure, the other end of the fan blade 7 is inserted into the stabilizing slot 18, so that the fixing stability of the fan blade 7 is improved, and the two ends of the fan blade 7 are not easily deflected by stress and are not easily loosened.
Referring to fig. 1 and 4, a sealing cover 5 is disposed at an opening of the installation cavity 4, a sealing gasket 15 is disposed on a rear surface of the sealing cover 5, and the central rotating plate 10 and the fan blades 7 are protected from falling by means of threaded fixation of the sealing cover 5 and the installation cavity 4, and when the sealing cover 5 and the installation cavity 4 are threaded fixation, the sealing gasket 15 extrudes a part of the edge protruding, so that sealing performance and tightness between the sealing cover 5 and the installation cavity 4 are improved, and loosening is avoided.
Referring to fig. 4, an impeller protection groove 19 is disposed at the center of the sealing cover 5, and the impeller protection groove 19 and the sealing cover 5 are in an integrated structure, and one end of the direct current fan motor composed of the impeller assembly 13, the coil assembly 14 and the PBC plate assembly 12 is protected by means of the impeller protection groove 19, so as to avoid collision damage.
Referring to fig. 1, a ventilation hole groove 6 is formed in the surface of the sealing cover 5, and the ventilation hole groove 6 and the sealing cover 5 are integrally formed, so that wind generated by rotation of the fan blades 7 circulates through the ventilation hole groove 6.
Referring to fig. 1 and 2, an impeller assembly 13 is disposed at the center of a center rotating plate 10, a coil assembly 14 is disposed outside the impeller assembly 13, a PBC plate assembly 12 is disposed outside the coil assembly 14, a power connection wire 8 is disposed at one end of the PBC plate assembly 12, a connection wire groove 9 is disposed at the connection position of the power connection wire 8 and a micro direct current fan housing 1, the connection wire groove 9 and the micro direct current fan housing 1 are of an integrated structure, a direct current fan motor composed of the impeller assembly 13, the coil assembly 14 and the PBC plate assembly 12 is mounted inside a mounting cavity 4 and connected with the center rotating plate 10, a computer is externally connected through the power connection wire 8, the power connection wire 8 is limited and protected by the connection wire groove 9, damage caused by external protrusion friction is avoided, the center rotating plate 10 is driven to rotate by the direct current fan motor, and therefore the fan blades 7 and an outer ring protection plate 11 are enabled to rotate, and heat dissipation treatment is carried out on a notebook computer.
Referring to fig. 1, mounting lugs 2 are disposed on two sides of the micro dc fan housing 1, and the mounting lugs 2 are in hot-melt connection with the micro dc fan housing 1, mounting holes 3 are disposed in the mounting lugs 2, and the micro dc fan housing 1 and the notebook computer are fixed by using bolts externally connected to the mounting holes 3 of the mounting lugs 2.
Working principle: during the use, the direct current fan motor that comprises impeller subassembly 13, coil pack 14 and PBC board subassembly 12 is installed inside installation cavity 4 to be connected with central rotating plate 10, the one end of fan flabellum 7 inserts the inside of the stable slot 18 of central rotating plate 10 outer wall, the other end relies on spacing slot 17 cover to extrude fixedly at the spacing post 16 of inserting of outer lane guard plate 11 inner wall, utilize the extrusion force to extrude fan flabellum 7, rely on sealed lid 5 and installation cavity 4 thread tightening, protect central rotating plate 10 and fan flabellum 7, avoid dropping, utilize direct current fan motor to drive central rotating plate 10 rotation, thereby realize fan flabellum 7 and outer lane guard plate 11 rotation, carry out the heat dissipation to notebook computer and handle, when needs clearance fan flabellum 7, dismantle fan flabellum 7 earlier can, be convenient for clean up, improve the clearance convenience.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a miniature direct current fan that flabellum can dismantle change, includes miniature direct current fan housing (1), the inside of miniature direct current fan housing (1) is provided with installation cavity (4), and installation cavity (4) and miniature direct current fan housing (1) are integrated into one piece structure, the inside of installation cavity (4) is provided with central rotating plate (10);
the method is characterized in that: further comprises:
the outer ring protection plate (11) is arranged outside the central rotation plate (10), the outer ring protection plate (11) and the central rotation plate (10) are fixed through a hot-melt external connection frame on the rear surface, and fan blades (7) are arranged between the central rotation plate (10) and the outer ring protection plate (11);
the limiting slot (17) is arranged at one end of the fan blade (7), the limiting slot (17) and the fan blade (7) are of an integrated structure, a limiting inserting column (16) is arranged on the inner wall of the outer ring protection plate (11), and the limiting inserting column (16) is inserted into the limiting slot (17).
2. The miniature dc fan with removable replaceable blades as set forth in claim 1, wherein: the outer wall of the center rotating plate (10) is provided with a stabilizing slot (18), the stabilizing slot (18) and the center rotating plate (10) are of an integrated structure, and the other end of the fan blade (7) is inserted into the stabilizing slot (18).
3. The miniature dc fan with removable replaceable blades as set forth in claim 1, wherein: the opening of the mounting cavity (4) is provided with a sealing cover (5), and the rear surface of the sealing cover (5) is provided with a sealing gasket (15).
4. A miniature dc fan with removable and replaceable blades as set forth in claim 3, wherein: an impeller protection groove (19) is formed in the center of the sealing cover (5), and the impeller protection groove (19) and the sealing cover (5) are of an integrated structure.
5. A miniature dc fan with removable and replaceable blades as set forth in claim 3, wherein: the surface of the sealing cover (5) is provided with a ventilation hole groove (6), and the ventilation hole groove (6) and the sealing cover (5) are of an integrated structure.
6. The miniature dc fan with removable replaceable blades as set forth in claim 1, wherein: the center department of center pivoted board (10) is provided with impeller subassembly (13), the outside of impeller subassembly (13) is provided with coil pack (14), the outside of coil pack (14) is provided with PBC board subassembly (12), the one end of PBC board subassembly (12) is provided with power connecting wire (8), the junction of power connecting wire (8) and miniature direct current fan casing (1) is provided with connecting wire recess (9), and connecting wire recess (9) and miniature direct current fan casing (1) structure as an organic whole.
7. The miniature dc fan with removable replaceable blades as set forth in claim 1, wherein: the miniature direct current fan comprises a miniature direct current fan body (1), wherein mounting lug seats (2) are arranged on two sides of the miniature direct current fan body (1), the mounting lug seats (2) are connected with the miniature direct current fan body (1) in a hot melting mode, and mounting hole grooves (3) are formed in the mounting lug seats (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223538313.1U CN219012931U (en) | 2022-12-29 | 2022-12-29 | Miniature direct current fan with detachable and replaceable fan blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223538313.1U CN219012931U (en) | 2022-12-29 | 2022-12-29 | Miniature direct current fan with detachable and replaceable fan blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219012931U true CN219012931U (en) | 2023-05-12 |
Family
ID=86252203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223538313.1U Active CN219012931U (en) | 2022-12-29 | 2022-12-29 | Miniature direct current fan with detachable and replaceable fan blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219012931U (en) |
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2022
- 2022-12-29 CN CN202223538313.1U patent/CN219012931U/en active Active
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