CN220354078U - Motor fixing structure of heat radiation fan - Google Patents
Motor fixing structure of heat radiation fan Download PDFInfo
- Publication number
- CN220354078U CN220354078U CN202321907317.4U CN202321907317U CN220354078U CN 220354078 U CN220354078 U CN 220354078U CN 202321907317 U CN202321907317 U CN 202321907317U CN 220354078 U CN220354078 U CN 220354078U
- Authority
- CN
- China
- Prior art keywords
- steel sheet
- buckle
- wire frame
- silicon steel
- middle pipe
- 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
- 230000005855 radiation Effects 0.000 title description 2
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 46
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to a motor fixing structure of a cooling fan, which is designed for solving the technical problem that the prior similar products can not realize the fastening and fixing between a motor component and a middle pipe by a wire frame of the motor component or the inner diameter bulge of an orifice at a silicon steel sheet. The main point is that the outer diameter of the pipe orifice at the top of the middle pipe of the cooling fan is provided with a clamping ring groove, the clamping ring groove of the middle pipe is higher than the pipe orifice in the wire frame of the wire frame, and the clamping ring is fixed on an elastic clamping ring with symmetrical convex inner diameter at the pipe orifice in the wire frame of the wire frame by interference; or the buckling ring groove of the middle pipe is higher than the steel sheet middle pipe orifice of the silicon steel sheet, and is fixed on the rigid buckle with symmetrical bulges of the inner diameter at the steel sheet middle pipe orifice of the silicon steel sheet by interference buckling; the elastic buckle of the wire frame or the rigid buckle of the silicon steel sheet is fixed in the buckle ring groove of the middle pipe, and simultaneously is inserted into the buckle hole or the deep groove at the buckle ring groove.
Description
Technical Field
The utility model relates to a cooling fan, in particular to a motor fixing structure of the cooling fan.
Background
The heat dissipation fans are generally fans for heat dissipation of main board equipment such as a CPU (Central processing Unit), a display card and the like, wherein some of the heat dissipation fans are also provided with heat dissipation fins, and the main purpose of the heat dissipation fans is to conduct heat out and blow the heat into nearby air so as to achieve the effect of cooling. With the development of society and the change of environment, the application field of the cooling fan in the electronic product is also more and more widespread, the equipment installed in the electronic product is more and more precise, and the cooling fan is widely applied to the equipment such as the server. The motor and fan frame fixing modes in the same industry currently include the following three modes: the motor and the fan frame are fixed by dispensing, stainless steel buckles are added on the motor and the fan frame middle pipe for fixing, and the fan frame middle pipe is tapped and then fixed by nuts. In addition, the motors of some existing cooling fans are fixed on the middle tube and the fan frame through the rubber parts arranged at the tube orifices of the middle tube, such as application number 202111180806.X disclosed in Chinese patent literature, application publication date 2022.02.01, and the utility model name is a novel cooling fan middle tube structure; the motor of other heat dissipating fans is fixed to the middle tube and the fan frame through the fastening head of the middle tube, such as application number 202022261238.3 disclosed in the Chinese patent document, grant date 2021.08.06, and the name of the utility model is "new plastic fan frame structure of heat dissipating fan". The structure and the like can realize the fastening fixation between the motor component and the middle pipe by less protruding orifice inner diameter at the wire frame or the silicon steel sheet of the motor component, and the problems of complex structure, high cost, inconvenient production operation and the like of the wire frame or the silicon steel sheet die are solved.
Disclosure of Invention
In order to overcome the defects, the utility model aims to provide a motor fixing structure of a cooling fan in the field, so that the technical problems that the prior similar products can not realize the fastening and fixing between a motor component and a middle pipe by the inner diameter protrusion of an orifice at a wire frame or a silicon steel sheet of the motor component, and the wire frame or the silicon steel sheet die has complex structure, high cost and inconvenient production operation are solved. The aim is achieved by the following technical scheme.
A motor fixing structure of a cooling fan is characterized in that fan blades of the cooling fan are arranged in a fan frame, a motor component is fixedly arranged on a middle pipe of the fan frame, the fan frame and the middle pipe are fixedly connected into a whole, a circuit board is arranged at the bottom of the motor component, a wire frame of the motor component and a silicon steel sheet are fixedly connected into a whole, the motor component is positioned in a hub of the fan blades, the outer diameter of the hub of the fan blades is provided with blades, a motor shell is arranged on the inner diameter of the hub of the fan blades, an electromagnet is arranged on the inner diameter of the motor shell, and a middle core shaft in the motor shell is inserted into the middle pipe. The main point of the structural design is that the outer diameter of the pipe orifice at the top of the middle pipe is provided with a clamping ring groove, the clamping ring groove of the middle pipe is higher than the pipe orifice in the wire frame of the wire frame, and the clamping ring is fixed on an elastic clamping ring with symmetrical convex inner diameter at the pipe orifice in the wire frame of the wire frame by interference; or the buckling ring groove of the middle pipe is higher than the steel sheet middle pipe orifice of the silicon steel sheet, and is fixed on the rigid buckle with symmetrical inner diameter protrusions at the steel sheet middle pipe orifice of the silicon steel sheet by interference buckling. According to the wire frame, the elastic buckles and the rigid buckles of the silicon steel sheets are symmetrically arranged in pairs or in three pairs, bearings or magnets at two ends are arranged between the inner diameter of the silicon steel sheets and the outer diameter of the middle tube according to the prior art and actual needs, and the stability and flexibility of rotation of the fan blade are improved through the central shaft in the middle tube.
The elastic buckle of the wire frame or the rigid buckle of the silicon steel sheet is fixed in the buckle ring groove of the middle pipe, and is inserted into the buckle hole or the deep groove at the buckle ring groove. Thereby further improving the fixed connection of the motor assembly and the middle tube.
At least one positioning groove is formed in one side of the inner diameter of the steel sheet middle pipe hole of the silicon steel sheet, and convex ribs are arranged on the outer diameter of the middle pipe corresponding to the positioning groove. So that the motor assembly is further fixed to the middle tube.
Two positioning grooves are formed in one side of the inner diameter of the pipe hole in the steel sheet of the silicon steel sheet, one positioning groove is semicircular, and the other positioning groove is square. Thereby facilitating the motor assembly to be further fixed on the middle pipe according to the actual requirement and the shape of the convex rib at the middle pipe.
The outer diameter above the orifice of the middle pipe of the wire frame is provided with an outer hole sleeve which is higher than the orifice of the middle pipe. Thereby being convenient for hiding the pipe orifice of the middle pipe in the wire frame.
The elastic buckles of the wire frame are respectively arranged on the inner diameter of the outer hole sleeve. The structure is convenient for the elastic buckle of the wire frame to increase the height and improve the elasticity and the stability, and the wire frame is fixedly connected with the silicon steel sheet into a whole in an assembling and fixing way through the two ends of the silicon steel sheet; the outer hole sleeve is omitted from the wire frame, the elastic buckle is slightly raised in a rigid buckling mode of the silicon steel sheet, and the corresponding wire frame can be fixed on the silicon steel sheet in other existing modes.
The rigid buckle of the silicon steel sheet is at least arranged at the inner diameter of the silicon steel sheet at the top part. According to actual needs, rigid buckles can be arranged on the inner diameters of the second silicon steel sheet and the third silicon steel sheet below the top silicon steel sheet.
The utility model has reasonable structural design, easier wire frame or silicon steel sheet mould, simple structure, low cost, high efficiency and easy production operation; the motor assembly is suitable for assembly production of motor assemblies of fan frames in cooling fans and further improvement of similar products.
Drawings
Fig. 1 is a schematic diagram of an exploded structure of an embodiment of the present utility model, in which a circuit board is omitted and a frame is enlarged.
Fig. 2 is a schematic view of the assembled structure of fig. 1, with the framing enlarged.
Fig. 3 is a schematic diagram of the assembled structure of the second modified embodiment of fig. 2.
Fig. 4 is a schematic view of the partially exploded structure of fig. 3, with the framing enlarged.
Figure number and name: 1. the fan frame, 2, the middle tube, 201, the buckle circle groove, 3, the motor assembly, 301, the wire frame, 3011, the elastic buckle, 3012, the outer hole sleeve, 302, the silicon steel sheet, 3021, the rigid buckle, 3022 and the positioning groove.
Description of the embodiments
The construction and use of the present utility model will now be further described with reference to the accompanying drawings. As shown in fig. 1 and fig. 2, in the first embodiment, a motor assembly 3 is fixedly arranged on a middle tube 2 at a fan frame 1 of the cooling fan, the fan frame and the middle tube are fixedly connected into a whole, a circuit board is arranged at the bottom of the motor assembly, and a wire frame 301 of the motor assembly and a silicon steel sheet 302 are fixedly connected into a whole; the outer diameter of the pipe orifice at the top of the middle pipe is provided with a clamping ring groove 201, the clamping ring groove of the middle pipe is higher than the pipe orifice in the wire frame of the wire frame 301, the clamping ring is fixed on an elastic clamping ring 3011 with symmetrical inner diameter at the pipe orifice in the wire frame of the wire frame by interference clamping, and the motor assembly is fixed on the middle pipe. Two positioning grooves 3022 are formed in one side of the inner diameter of the tube hole in the steel sheet of the silicon steel sheet, one positioning groove is semicircular, and the other positioning groove is square. The outer diameter above the middle pipe orifice of the wire frame is provided with an outer hole sleeve 3012 which is higher than the middle pipe orifice; the elastic buckles of the wire frame are respectively arranged on the inner diameter of the outer hole sleeve.
Therefore, the elastic buckle protruding inwards is added on the wire frame, meanwhile, the groove is added on the middle pipe in a matched mode at the corresponding size, and when the motor and the frame are assembled, the protruding part on the wire frame is pressed into the groove of the middle pipe through the existing motor pressing procedure, so that the motor assembly is fixed.
As shown in fig. 3 and fig. 4 in the second embodiment, further, based on the first embodiment, the snap ring groove of the middle tube is higher than the middle tube orifice of the silicon steel sheet, and the snap ring is fixed on the rigid snap ring 3021 with symmetrical inner diameter protruding at the middle tube orifice of the silicon steel sheet, and the motor assembly is fixed on the middle tube; the rigid buckle of the silicon steel sheet is arranged at the inner diameter of the silicon steel sheet of the top sheet. Therefore, in the second embodiment, the rigid buckle of four teeth extending inwards from the uppermost silicon steel sheet of the silicon steel sheet inner diameter structure is changed, meanwhile, the middle tube is matched with the corresponding size to form a groove, and when the motor and the frame are assembled, the protruding rigid buckle part on the silicon steel sheet is pressed into the groove of the middle tube through the existing motor pressing procedure, so that the motor component is fixed.
Or further, the elastic buckle of the wire frame or the rigid buckle of the silicon steel sheet is fixed in the buckle ring groove of the middle pipe, and simultaneously is inserted into the buckle hole or the deep groove at the buckle ring groove.
The above description is intended to illustrate the technical means of the present utility model, and not to limit the technical scope of the present utility model. Obvious modifications or substitutions by one with ordinary skill in the art are within the scope of the present utility model as defined by the appended claims.
Claims (7)
1. A fan blade of a cooling fan is arranged in a fan frame (1), a middle pipe (2) of the fan frame is fixedly provided with a motor component (3), the fan frame and the middle pipe are fixedly connected into a whole, the bottom of the motor component is provided with a circuit board, a wire frame (301) of the motor component and a silicon steel sheet (302) are fixedly connected into a whole, the motor component is positioned in a hub of the fan blade, the outer diameter of the hub of the fan blade is provided with a blade, the inner diameter of the hub of the fan blade is provided with a motor shell, the inner diameter of the motor shell is provided with an electromagnet, and a middle core shaft in the motor shell is inserted into the middle pipe; the wire frame is characterized in that a clamping ring groove (201) is formed in the outer diameter of the pipe orifice of the top of the middle pipe (2), is higher than the wire frame middle pipe orifice of the wire frame (301), and is fixed on an elastic clamping buckle (3011) with symmetrical bulges in inner diameter at the wire frame middle pipe orifice of the wire frame in an interference clamping manner; or the buckling ring groove of the middle tube is higher than the middle tube hole of the silicon steel sheet (302), and is fixed on the rigid buckle (3021) with symmetrical inner diameter at the middle tube hole of the silicon steel sheet by interference buckling.
2. The motor fixing structure of a cooling fan according to claim 1, wherein the elastic buckle (3011) of the wire frame (301) or the buckle ring groove (201) of the middle tube (2) at the fixing position of the rigid buckle (3021) of the silicon steel sheet (302) is provided with a buckle hole or a deep groove, and the elastic buckle of the wire frame or the rigid buckle of the silicon steel sheet is fixed in the buckle ring groove of the middle tube and simultaneously inserted into the buckle hole or the deep groove at the buckle ring groove.
3. The motor fixing structure of a cooling fan according to claim 1, wherein at least one positioning groove (3022) is provided on one side of the inner diameter of the tube hole in the silicon steel sheet (302), and ribs are provided on the outer diameter of the middle tube (2) corresponding to the positioning groove.
4. The motor fixing structure of the cooling fan according to claim 3, wherein two positioning grooves (3022) are formed on one side of the inner diameter of the tube hole in the silicon steel sheet (302), one positioning groove is semicircular, and the other positioning groove is square.
5. The motor fixing structure of the radiator fan according to claim 1, characterized in that an outer diameter above the middle pipe orifice of the bobbin (301) is provided with an outer orifice sleeve (3012) which is higher than the orifice of the middle pipe (2).
6. The motor fixing structure of a cooling fan according to claim 1, wherein the elastic clips (3011) of the wire frame (301) are respectively disposed at the inner diameter of the outer jacket (3012).
7. The motor fixing structure of a cooling fan according to claim 1, wherein the rigid fastener (3021) of the silicon steel sheet (302) is at least disposed at an inner diameter of the silicon steel sheet of the top piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321907317.4U CN220354078U (en) | 2023-07-19 | 2023-07-19 | Motor fixing structure of heat radiation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321907317.4U CN220354078U (en) | 2023-07-19 | 2023-07-19 | Motor fixing structure of heat radiation fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220354078U true CN220354078U (en) | 2024-01-16 |
Family
ID=89482844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321907317.4U Active CN220354078U (en) | 2023-07-19 | 2023-07-19 | Motor fixing structure of heat radiation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220354078U (en) |
-
2023
- 2023-07-19 CN CN202321907317.4U patent/CN220354078U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203201864U (en) | Fan wheel | |
| CN220354078U (en) | Motor fixing structure of heat radiation fan | |
| CN213818423U (en) | Electronic equipment and heat dissipation device thereof | |
| CN101504012B (en) | Fan | |
| CN210343865U (en) | Fixing structure for magnetic frame of heat dissipation fan | |
| CN211901066U (en) | Novel fan blade of cooling fan | |
| CN210265187U (en) | Magnetic suspension radiating fan | |
| CN211692878U (en) | Circulation cooling type heat radiation fan | |
| CN210509690U (en) | Fan frame iron middle tube of radiating fan | |
| CN210290271U (en) | Reinforced axial flow fan and shell structure thereof | |
| CN114001042A (en) | Novel central tube structure of radiating fan | |
| CN212935612U (en) | Novel wire frame cooling fan | |
| CN200987250Y (en) | Buckle type radiating fin | |
| CN213016875U (en) | Non-central pipe radiating fan | |
| CN216975333U (en) | Volute device of centrifugal fan of blowing-type cooling tower | |
| CN215832232U (en) | Condenser cover of motor home air conditioner | |
| CN210265192U (en) | Fan blade integrated radiating fan | |
| CN216635920U (en) | Printer shaft | |
| US8382437B2 (en) | Fan structure | |
| CN216414946U (en) | Frame suitable for radiator fan | |
| CN210265193U (en) | Shell-fan integrated radiating fan | |
| CN217107551U (en) | Sheet type cooling fan frame | |
| US9890795B2 (en) | Cooling fan structure | |
| CN216819519U (en) | Heat dissipation and exchange structure device for high-power-density motor | |
| CN200987251Y (en) | Buckle type radiating fin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |