Oil throwing prevention fan structure

By installing an oil-proof cover and sealing ring on the outside of the shaft and outer bearing, the problem of lubricating oil leakage is solved, thus achieving stable fan operation and extending bearing life.

CN223608861UActive Publication Date: 2025-11-28东莞市天夕电子科技有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520090650.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-11-28
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

The lubricating oil in the oil-bearing bearings of existing computer cooling fans is prone to leakage, causing oil spillage, which affects the service life and stability.

Method used

An oil-proof cover and an oil-proof sealing ring are fitted over the outside of the shaft and the outer bearing to form a sealed structure and prevent lubricating oil from flowing out from the top.

Benefits of technology

This effectively avoids oil leakage and splattering during fan operation, improving the service life of the oil-impregnated bearings and the stability of the fan.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223608861U_ABST
    Figure CN223608861U_ABST
Patent Text Reader

Abstract

The utility model discloses an anti-oil-throwing fan structure which comprises a lower support, a central spindle mounting seat fixedly mounted above the lower support, a central spindle rotatably mounted at the center of the interior of the central spindle mounting seat, an outer bearing sleeved outside the central spindle, a plastic-coated wire frame fixedly sleeved on the outer ring of the outer bearing, and an inner ring of the plastic-coated wire frame fixedly sleeved on the outer ring of the plastic-coated wire frame. An oil-proof upper cover is arranged above the plastic-coated wire frame and the outer bearing in a sealing and covering mode, the shaft core is sleeved with the oil-proof upper cover, an oil-proof sealing ring is arranged between the oil-proof upper cover and the shaft core, and an oil storage groove is formed in the bottom of the shaft core. Therefore, oil leakage and oil throwing in the operation process of the fan can be effectively avoided, the good oil leakage and oil throwing prevention use effect is achieved, the fan operates more stably, meanwhile, lubricating oil in the shaft core can be effectively prevented from being lost, the overall service life of the oil bearing is prolonged, and the good use effect is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to computer cooling fan technical field, concretely is a prevent fan structure of oil throwing. BACKGROUND

[0002] Computer fan is the important component in computer cooling system, and the main function is through air flow to help the hardware in computer to keep proper working temperature, ensures the stable operation of system. Computer fan is usually installed in the inside of case, accelerates air flow, and auxiliary cooling. They can be installed in the tail, top, front and side of case position, to adapt to different cooling demand.

[0003] In prior art, many computer cooling fans often adopt oil bearing to install the rotating shaft structure, and for oil bearing, the lubricating oil in oil bearing is easy to flow out in the process of rotating shaft structure rotation, thereby causing lubricating oil loss to cause the fan to throw oil, and the service life of oil bearing is affected, and therefore the utility model provides a prevent fan structure of oil throwing. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a prevent fan structure of oil throwing to solve the problems in the prior art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a prevent fan structure of oil throwing, including lower support, the lower support upper fixed installation axle core mounting seat, the axle core mounting seat inside center position rotation installation has axle core, the outside of axle core is equipped with outer bearing, the outer ring of outer bearing is fixedly covered with plastic coated wire frame, the upper seal cover of plastic coated wire frame and outer bearing is equipped with oilproof upper cover, the oilproof upper cover is covered in the outside of axle core, and the oilproof upper cover is provided with oilproof sealing ring between axle core.

[0006] Preferably, the bottom of the axle core is provided with an oil storage groove.

[0007] Preferably, the plastic coated wire frame adopts a circular column structure design.

[0008] Compared with the prior art, the utility model has the beneficial effects that:

[0009] The utility model discloses a prevent oil fan from throwing oil through the oil -proof upper cover and the oil -proof sealing ring of setting up, can effectively carry out the top sealing treatment of the lubricating oil in the shaft core, can effectively avoid the lubricating oil of the periphery of the bottom of the shaft core from the top of the shaft core, has the actual use effect of the inside lubricating oil upper end sealing, through the upper end sealing of the inside lubricating oil, can effectively avoid the oil leakage, throwing oil of fan in the operation process, has good oil leakage, throwing oil use effect, makes the operation of fan more stable, can also effectively avoid the lubricating oil of the inside of the shaft core and flow, improves the overall service life of oil -containing bearing, has good use effect. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the internal cut structure schematic diagram of the prevent oil fan of the utility model embodiment;

[0011] Figure 2 It is the A area enlarged structure schematic diagram of the utility model embodiment Figure 1 .

[0012] In the drawing: 1, lower support;2, shaft core mounting seat;3, shaft core;4, outer bearing;5, plastic line frame;6, oil storage groove;7, oil -proof upper cover. DETAILED DESCRIPTION

[0013] The technical scheme in the utility model embodiments will be described clearly and completely below in combination with the drawings in the utility model embodiments, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0014] In the description of the utility model, it is necessary to explain that the orientation or position relation of the terms "up", "down", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, structure and operation, therefore, it can not be understood as the limitation of the utility model. In addition, the terms "first", "second" are only for the description purpose, and can not be understood as indicating or implying relative importance.

[0015] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0016] Please see Figures 1-2 An embodiment of this utility model provides an anti-oil-slinging fan structure, including a lower bracket 1, a shaft mounting seat 2 fixedly installed on the upper part of the lower bracket 1, a shaft 3 rotatably installed at the center position inside the shaft mounting seat 2, an outer bearing 4 sleeved on the outside of the shaft 3, a plastic-coated wire frame 5 fixedly sleeved on the outer ring of the outer bearing 4, an oil-proof cover 7 provided on the upper sealing cover of the plastic-coated wire frame 5 and the outer bearing 4, the oil-proof cover 7 being sleeved on the outside of the shaft 3, and an oil-proof sealing ring being provided between the oil-proof cover 7 and the shaft 3;

[0017] This structural design, in this utility model, involves fitting an oil-proof cover 7 around both the shaft core 3 and the outer bearing 4. The oil-proof cover 7 and the oil-proof sealing ring effectively seal the top of the lubricating oil inside the shaft core 3, preventing lubricating oil from leaking out from the top of the shaft core 3. This provides a practical sealing effect for the upper end of the internal lubricating oil. By sealing the internal lubricating oil at the top, oil leakage during fan operation is effectively prevented, as is oil splashing from the fan blades after leakage. This design offers good oil leakage and splash prevention, making the fan operation more stable. It also effectively prevents the loss of lubricating oil inside the shaft core 3, improving the overall service life of the oil-impregnated bearing and resulting in better performance.

[0018] In this embodiment, an oil reservoir 6 is provided at the bottom of the shaft core 3, and the shaft core 3 and the oil reservoir 6 form a structure containing an oil-impregnated bearing.

[0019] In this embodiment, the plastic-coated wire frame 5 adopts a circular columnar structure design, so that the circular columnar plastic-coated wire frame 5 can be wrapped around the outside of the outer bearing 4 to improve stability.

[0020] Working principle: the person skilled in the art can use the fan structure of the utility model by the conventional use method, the utility model is provided with the oil-proof upper cover 7 and the oil-proof sealing ring through setting, the oil-proof upper cover 7 and the oil-proof sealing ring can effectively seal the lubricating oil in the shaft core 3, the lubricating oil in the oil storage groove 4 in the bottom of the shaft core 3 can not flow out from the top end of the shaft core 3, the actual use effect of the upper end sealing of internal lubricating oil is achieved, the oil leakage of the fan during operation can be effectively avoided, the oil leakage and oil throwing of the fan blade after oil leakage can also be effectively avoided, the use effect of good oil leakage and oil throwing prevention is achieved, the operation of the fan is more stable, the lubricating oil in the shaft core 3 can be effectively prevented from flowing out, the overall service life of the oil-containing bearing is improved, and the use effect is good.

[0021] It is apparent for the person skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, the scope of the utility model is defined by the appended claims instead of the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A fan structure for preventing oil flinging, comprising a lower bracket (1), characterized in that, The lower support (1) is fixedly installed with an axle core mounting base (2) above, a rotating axle core (3) is rotatably installed in the center of the axle core mounting base (2), an outer bearing (4) is sleeved outside the axle core (3), a plastic-coated wire frame (5) is fixedly sleeved outside the outer ring of the outer bearing (4), an oil-proof upper cover (7) is arranged on the upper sealing cover of the outer bearing (4) and the plastic-coated wire frame (5), the oil-proof upper cover (7) is sleeved outside the axle core, and an oil-proof sealing ring is arranged between the oil-proof upper cover (7) and the axle core (3).

2. The oil throw prevention fan structure according to claim 1, characterized by: An oil storage groove (6) is arranged at the bottom of the axle core (3).

3. The fan structure of claim 1, wherein: The plastic-coated wire frame (5) is designed in a circular column structure.