CN210343865U - Fixing structure for magnetic frame of heat dissipation fan - Google Patents
Fixing structure for magnetic frame of heat dissipation fan Download PDFInfo
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- CN210343865U CN210343865U CN201920986487.3U CN201920986487U CN210343865U CN 210343865 U CN210343865 U CN 210343865U CN 201920986487 U CN201920986487 U CN 201920986487U CN 210343865 U CN210343865 U CN 210343865U
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Abstract
The utility model relates to a radiator fan magnetism frame fixed knot constructs to gluing between magnetism frame and the flabellum and spilling over structural design not good enough among the current like product, lead to the point between magnetism frame and the flabellum to glue the not good enough technical problem of firm in connection and design. The center of the inner part of a fan frame of the cooling fan is provided with a copper middle pipe, the center of a hub of a fan blade is provided with a rotating shaft, the rotating shaft of the fan blade is inserted into the copper middle pipe of the fan frame and is sleeved with bearings at two ends in the copper middle pipe, the outer diameter of the copper middle pipe is provided with a silicon steel sheet, the bottom of the silicon steel sheet of the outer diameter of the copper middle pipe is provided with a circuit board, the hub of the fan blade is internally provided with a magnetic frame, and the; the inner wall of the hub of the fan blade is provided with an annular groove, the notch of the annular groove is provided with a step groove, the bottom of the annular groove is provided with a glue storage groove extending towards the bottom of the fan blade, and the width of the glue storage groove is larger than the chamfer radius of the magnetic frame; the pipe orifice at the fixed end of the fan frame of the copper intermediate pipe is provided with an outward-turned ring opening edge, and the copper intermediate pipe is fixed in a step hole at the center of the fan frame through the limiting of the ring opening edge.
Description
Technical Field
The utility model relates to a radiator fan is a radiator fan magnetism frame fixed knot constructs.
Background
The cooling fan generally mainly refers to a fan used for cooling main board equipment such as a CPU, a graphics card and the like, and mainly aims to conduct heat out and blow the heat to nearby air to achieve a cooling effect, wherein some cooling fans are applied to an electrical cabinet or an industrial equipment cabinet. At present, most of magnetic frames in the scattered hot air fan are generally fixed with fan blades through glue bonding, but the magnetic frames are sleeved into wheel hubs of the fan blades through glue dispensing, and the glue easily overflows from the magnetic frames and the fan blades; therefore, as disclosed in chinese patent No. ZL200620001273.9, granted publication No. 3/21/2007, the utility model discloses a fan blade assembly structure of a heat dissipation fan, which includes a fan blade frame and a plurality of fan blades connected to the outer edge of the fan blade frame, and an annular magnetic sleeve and an annular magnetic stripe are disposed in the fan blade frame, and the annular magnetic stripe is bonded to the inner side of the annular magnetic sleeve by using an adhesive; the annular magnetic strip has embossed patterns on its inner and outer surfaces, which can not only make the adhesive spread uniformly, but also increase the binding degree between the annular magnetic sleeve and the annular magnetic strip, so that the annular magnetic sleeve and the annular magnetic strip can be more tightly bound and are not easy to separate. However, the product only has an effect of overflowing the adhesive of the sleeve opening of the magnetic sleeve, the overflow effect of the adhesive in the outline of the fan blade is small, and the adhesive can only overflow through the sleeve opening of the magnetic sleeve, so that the firmness between the magnetic sleeve and the fan blade is influenced.
Disclosure of Invention
In order to overcome the defects, the utility model aims to provide a radiator fan magnetism frame fixed knot constructs to this field, make it solve in the current like product between magnetism frame and the flabellum point and glue and spill over structural design not good enough, lead to the point between magnetism frame and the flabellum to glue the not good enough technical problem of firm in connection degree. The purpose is realized by the following technical scheme.
A kind of heat-dissipating fan magnetic frame fixed structure, one end of fan frame of the heat-dissipating fan has fretwork holes, another end has through holes, the center in the fan frame has copper middle tubes, the hub center of the flabellum has spindles, the spindle of the flabellum inserts in the copper middle tube of the fan frame, and with the bearing housing of both ends in the copper middle tube, the spindle is fixed to one end bearing through the circlip of the spindle, the external diameter of the copper middle tube has silicon steel sheets, the silicon steel sheet bottom of the external diameter of the copper middle tube has circuit boards, there are magnetic frames in the hub of the flabellum, the inboard wall of the magnetic frame has magnetic; the hub inner wall of the fan blade is provided with an annular groove, the notch of the annular groove is provided with a step groove, the bottom of the annular groove is provided with a glue storage groove extending towards the bottom of the fan blade, and the width of the glue storage groove is larger than the chamfer radius of the magnetic frame. Therefore, glue is dispensed between the fan blade and the magnetic frame, and is mainly pushed into a glue storage groove below the chamfer of the magnetic frame when the frame opening overflows.
The pipe orifice at the fixed end of the fan frame of the copper intermediate pipe is provided with an outward-turned ring opening edge, and the copper intermediate pipe is fixed in a step hole at the center of the fan frame through the limiting of the ring opening edge. The structure is convenient for fixing and installing the copper middle pipe and the fan frame.
The outer diameter of one side of the circuit board below the silicon steel sheet between the bearings at the two ends in the copper-in-pipe is provided with a raised limiting ring diameter, and the diameter of the limiting ring is provided with a through hole. The structure is convenient for heat dissipation and air circulation in the heat dissipation fan and the fixation of the silicon steel sheet in the copper-in-tube.
The fan opening at the contour of the fan blade is aligned with the frame opening of the magnetic frame and the notch of the magnetic strip, the through hole of the copper pipe is aligned with the fan opening of the fan blade, and the contour outer diameter blade of the fan blade is aligned with the hollow hole of the fan frame. The structure is further convenient for the air circulation at the through hole and the air circulation at the opposite position between the fan blade and the hollow hole in the fan frame.
The utility model has reasonable structural design, convenient assembly and production, good stability and firmness of the magnetic frame and the copper-pipe, good air circulation and heat dissipation effects and long service life; the method is suitable for assembling and producing the magnetic frame and the copper-in-tube in the cooling fan and improving the structure of the similar products.
Drawings
Fig. 1 is a schematic sectional view of the present invention, in which a part a is framed.
Fig. 2 is an enlarged view of a portion a of fig. 1.
Figure number and name: 1. the fan comprises a fan frame, 2, fan blades, 201, an annular groove, 3, a rotating shaft, 4, a bearing, 5, a magnetic frame, 6, a magnetic stripe, 7, a silicon steel sheet, 8, a circuit board, 9, a copper middle pipe, 901 and a through hole.
Detailed Description
The structure and use of the present invention will now be further described with reference to the accompanying drawings. As shown in fig. 1 and 2, a hollow hole is formed in one end of a fan frame 1 of the cooling fan, a through hole is formed in the other end of the fan frame, a copper middle pipe 9 is arranged in the center of the fan frame, a rotating shaft 3 is arranged in the center of a hub of the fan blade 2, the rotating shaft of the fan blade is inserted into the copper middle pipe of the fan frame and is sleeved with bearings 4 at two ends of the copper middle pipe, the rotating shaft is fixed on the bearing at one end through a clamp spring retaining ring of the rotating shaft, a silicon steel sheet 7 is arranged on the outer diameter of the copper middle pipe, a circuit board 8 is arranged at the bottom of the silicon steel sheet on the outer diameter of. The structure of the heat radiation fan is characterized as follows: the wheel hub inner wall of flabellum is equipped with ring channel 201, and the notch of ring channel is equipped with the step groove, and the bottom of ring channel is equipped with the glue storage groove that extends to the flabellum bottom, and the width in glue storage groove is greater than the chamfer radius of magnetism frame. Meanwhile, an outwards turned ring opening edge is arranged at a pipe opening at one fixed end of the fan frame of the copper intermediate pipe, and the copper intermediate pipe is fixed in a step hole in the center of the fan frame through the limiting of the ring opening edge; the outer diameter of one side of the circuit board below the silicon steel sheet between the bearings at the two ends in the copper-in-pipe is provided with a raised limiting ring diameter, and the diameter of the limiting ring is provided with a through hole 901. The fan opening at the contour of the fan blade is aligned with the frame opening of the magnetic frame and the notch of the magnetic strip, the through hole of the copper pipe is aligned with the fan opening of the fan blade, and the contour outer diameter blade of the fan blade is aligned with the hollow hole of the fan frame.
The annular groove is additionally arranged on the inner wall of the outline of the fan blade in the cooling fan, the distance from the whole annular groove to the single side is 0.1mm, namely the depth of the annular groove on the inner wall of the hub is 0.1mm, when the annular groove is filled with glue, glue is effectively prevented from flowing to other places, and meanwhile, the binding force between the magnetic frame and the fan blade is increased.
Claims (4)
1. A magnetic frame fixing structure of a cooling fan is characterized in that a hollow hole is formed in one end of a fan frame (1) of the cooling fan, a through hole is formed in the other end of the fan frame, a copper middle pipe (9) is arranged in the center of the fan frame, a rotating shaft (3) is arranged in the center of a hub of a fan blade (2), the rotating shaft of the fan blade is inserted into the copper middle pipe of the fan frame and is sleeved with bearings (4) at two ends of the copper middle pipe, the rotating shaft is fixed to one end of the bearing through a clamp spring retaining ring of the rotating shaft, a silicon steel sheet (7) is arranged on the outer diameter of the copper middle pipe, a circuit board (8) is arranged at the bottom of the silicon steel sheet; the fan blade is characterized in that an annular groove (201) is formed in the inner wall of a hub of the fan blade (2), a step groove is formed in the notch of the annular groove, a glue storage groove extending towards the bottom of the fan blade is formed in the bottom of the annular groove, and the width of the glue storage groove is larger than the chamfering radius of the magnetic frame (5).
2. The fixing structure of the magnetic frame of the heat dissipating fan according to claim 1, wherein the opening of the fixed end of the fan frame (1) of the copper intermediate pipe (9) is provided with an outward-turned rim, and the copper intermediate pipe is fixed in the stepped opening at the center of the fan frame by the rim.
3. The fixing structure of the magnetic frame of the heat dissipating fan according to claim 2, wherein a protruding limiting ring is disposed on the outer diameter of one side of the circuit board (8) below the silicon steel sheet (7) between the bearings (4) at the two ends in the copper-in-tube (9), and a through hole (901) is disposed on the limiting ring.
4. The fixing structure of the magnetic frame of the heat dissipating fan according to claim 3, wherein the fan opening at the contour of the fan blade (2) is aligned with the frame opening of the magnetic frame (5) and the notch of the magnetic stripe (6), the through hole (901) of the copper middle pipe (9) is aligned with the fan opening of the fan blade, and the contour outer diameter blade of the fan blade is aligned with the hollow hole of the fan frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920986487.3U CN210343865U (en) | 2019-06-27 | 2019-06-27 | Fixing structure for magnetic frame of heat dissipation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920986487.3U CN210343865U (en) | 2019-06-27 | 2019-06-27 | Fixing structure for magnetic frame of heat dissipation fan |
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| Publication Number | Publication Date |
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| CN210343865U true CN210343865U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920986487.3U Active CN210343865U (en) | 2019-06-27 | 2019-06-27 | Fixing structure for magnetic frame of heat dissipation fan |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815013A (en) * | 2020-12-30 | 2021-05-18 | 东莞市鸿盈电子科技有限公司 | Novel well tubular construction of installation ball bearing |
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2019
- 2019-06-27 CN CN201920986487.3U patent/CN210343865U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815013A (en) * | 2020-12-30 | 2021-05-18 | 东莞市鸿盈电子科技有限公司 | Novel well tubular construction of installation ball bearing |
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Effective date of registration: 20210706 Address after: 315423 No.1, Shengjiu Ring Road, industrial park, Dayin Town, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Ningbo Shengjiu Technology Co.,Ltd. Address before: 315423 No.1, Shengjiu Road, industrial park, Dayin Town, Yuyao City, Ningbo City, Zhejiang Province Patentee before: NINGBO SHENGJIU HEAT DISSIPATION TECHNOLOGY Co.,Ltd. |