CN213574698U - Novel radiator fan's package assembly and radiator fan - Google Patents
Novel radiator fan's package assembly and radiator fan Download PDFInfo
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- CN213574698U CN213574698U CN202021663163.5U CN202021663163U CN213574698U CN 213574698 U CN213574698 U CN 213574698U CN 202021663163 U CN202021663163 U CN 202021663163U CN 213574698 U CN213574698 U CN 213574698U
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- casing
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Abstract
The utility model discloses a novel radiating fan assembly structure and a radiating fan, which at least comprise a buckling part I and a buckling part II which are arranged on a casing and a cover plate of the fan, wherein the buckling part I and the buckling part II are mutually matched, and the casing and the cover plate are fastened and fixed through the buckling part I and the buckling part II to form a hollow rectangular frame structure; the shell and the cover plate are installed in an interference fit mode, a part of the shell, on which the cover plate is installed, is provided with a flange, and the cover plate is installed on the inner side of the flange of the shell; a part of a rectangular frame structure formed by the shell and the cover plate and connected with the lead is provided with a stop post; the outer side of the machine shell is provided with a yoke plate mounting position, and the yoke plate mounting position is integrally formed on the machine shell. The technical scheme has the advantages of simple structure, convenient installation and low cost; effectively prevent that fan motor's each part structure from droing at the operation in-process, maintain radiator fan inner structure's operating stability.
Description
Technical Field
The utility model relates to the technical field of electric machine, especially, relate to a novel radiator fan's package assembly and radiator fan.
Background
The heat radiating fan is one motor with fan hub and blades, and has homogeneously distributed slots along the outer circumference of the fan hub, and the blades are inserted into the slots and welded, adhered and other permanent connection method to make the blades and the fan hub become one integral. With the development of industrial automation, the application of the cooling fan is more and more extensive. The existing heat dissipation fan is generally directly electrically connected with the circuit substrate through a circuit connecting wire, and heat generated by electronic devices in the circuit substrate is dissipated, so that the stability of heating of the integrated circuit of the circuit substrate is maintained, and equipment operation faults caused by unstable heating state are avoided. The assembly forms of the components of the cooling fan are fixed by gluing (for example, the circuit board, the coil and the coil yoke plate are fixed by gluing) or by screw locking (for example, the cover plate and the casing of the fan are fixed by gluing), and the assembly forms have various problems, for example, the gluing form is adopted, the firmness is influenced in the use process, the glued firmness can be greatly reduced after long-time use, and the problem of reduced firmness is also caused by screw locking; these problems can cause the structure of the cooling fan itself to be loose and the operation to be unstable.
In order to stabilize the heat dissipation fan, a technician is dedicated to develop a novel assembly structure of the heat dissipation fan and the heat dissipation fan, so as to ensure a more stable operation state of the heat dissipation fan.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects in the prior art, the present invention provides a novel heat dissipation fan assembly structure and a heat dissipation fan, so as to solve the problem of poor structural stability of the existing heat dissipation fan.
In order to solve the above problems, the present invention provides a novel assembly structure of a heat dissipation fan, which is an installation form of the heat dissipation fan itself, and at least includes a fastening portion I and a fastening portion II installed on a casing and a cover plate of the fan, the fastening portion I and the fastening portion II are matched with each other, the casing and the cover plate are fastened and fixed through the fastening portion I and the fastening portion II to form a hollow rectangular frame structure;
the shell and the cover plate are installed in an interference fit mode, a part of the shell, where the cover plate is installed, is provided with a flange, and the cover plate is installed on the inner side of the flange of the shell;
a part of a rectangular frame structure formed by the casing and the cover plate and connected with a lead is provided with a stop column to control the lead of the fan to move to excessively clamp the lead;
the coil yoke plate is characterized in that a yoke plate mounting position is arranged on the machine shell and integrally formed on the machine shell so as to enhance the stability of the installation of the coil yoke plate.
Furthermore, the buckling part I and the buckling part II respectively adopt a combination form of a buckling lug and a stop block, and when the buckling part I is buckled with the buckling part II, the stop block is clamped into a buckling hole of the buckling lug for fixing; at this time, the fastening lug and the stopper are disposed at the side edges of the case and the cover plate.
Furthermore, the buckling part I and the buckling part II respectively adopt a pin column and pin hole combination form, and when the buckling part I is buckled with the buckling part II, the pin column is embedded into the pin hole for fixing; at this time, the pin and the pin hole are disposed at the bottom of the cover plate and inside the case.
Further, the height of the flange is matched with the thickness of the cover plate, so that the cover plate forms a sunken cover plate, and the cover plate and the flange are in interference fit to prevent wind in the fan from flowing out of a gap.
Furthermore, the bumping post is arranged on the side of any structure of the cover plate or the casing, and a space for reasonably moving the lead is formed between the bumping post and the cover plate and the casing.
Further, the yoke plate mounting position may be disposed at an inner side of the cabinet or an outer side of the cabinet.
Based on the above assembly structure, the utility model provides a cooling fan, which at least comprises a casing, a cover plate, a fan rotor and a fan stator; the casing and the cover plate adopt the assembly structure to form a hollow rectangular structure, and the fan rotor and the fan stator are arranged in the rectangular structure formed by the casing and the cover plate; the fan rotor at least comprises an impeller, an impeller shaft, a magnetic steel yoke plate and magnetic steel, and the impeller is supported on the shell through the impeller shaft; the fan stator at least comprises a coil, a connecting plate, a driving circuit board and a coil yoke plate, wherein the magnetic steel yoke plate, the magnetic steel, the coil, the connecting plate and the driving circuit board are used for the impeller shaft as an axis and are sequentially connected between the impeller and the casing, and the coil yoke plate is arranged on the integrated yoke plate installation position on the casing.
Furthermore, a positioning point I is arranged on the driving circuit board and used for fixing the installation position of the coil.
Furthermore, the number of the coils is at least two, and the coils are symmetrically distributed.
Furthermore, a positioning point II is arranged on the inner side of the casing and used for positioning the installation position of the driving circuit board.
Through implementing the aforesaid the utility model provides a radiator fan's package assembly and radiator fan have following technological effect:
(1) the technical scheme has the advantages of simple structure, convenient installation and low cost;
(2) the problem of low installation firmness between the fan motor shell and the cover plate is effectively solved through the arrangement of the buckling part between the shell and the cover plate, the interference fit and the like, and the structural stability of the cooling fan is guaranteed;
(3) the technology has the advantages that the yoke plate mounting position is integrally formed outside the casing, the glued coil yoke plate is replaced, the stability and the fatigue resistance of the coil yoke plate can be effectively guaranteed, the coil yoke plate can effectively adsorb the main blade, and the driving torque is shortened;
(4) the positioning points are arranged in the shell and on the circuit board, so that the mounting positions of the circuit board and the coil are effectively guaranteed, and the circuit board and the coil are prevented from being unstable when the gluing firmness is reduced;
(5) this technique sets up the bumping post on the casing, and the moving range of restriction bumping post prevents the double-layered line problem that the wire excessive movement caused.
Drawings
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Fig. 1 is a schematic structural view of a cooling fan in embodiment 1 of the present invention;
FIG. 2 is an exploded view of the structure of FIG. 1;
FIG. 3 is a side view of the snap of FIG. 2;
FIG. 4 is a bottom view of FIG. 2;
fig. 5 is an exploded view of the structure of embodiment 2 of the present invention.
In the figure:
1. a heat radiation fan;
10. a housing; 100. a stopper; 101. a bumping post; 102. a yoke plate mounting position; 103. a flange; 104. a bolt; 105. a screw hole; 106. a pin hole; 11. a cover plate; 110. buckling lugs; 111. buckling holes; 112. a connecting plate; 113. a pin; 12. an impeller; 13. an impeller shaft; 14. a wire; 15. a magnetic steel yoke plate; 16. magnetic steel; 17. a coil; 18. then, a plate is attached; 19. a drive circuit board; 20. a coil yoke plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The following examples are used to describe the technical solution of the present invention in detail.
The present embodiment provides a heat dissipation fan 1, where the heat dissipation fan 1 at least includes a casing 10, a cover plate 11, a rotor of the fan 1, and a stator of the fan 1; the casing 10 and the cover plate 11 are assembled into a hollow rectangular structure by adopting a novel assembling structure of the cooling fan 1, and a rotor of the fan 1 and a stator of the fan 1 are arranged in the rectangular structure formed by the casing 10 and the cover plate 11; the rotor of the fan 1 at least comprises an impeller 12, an impeller shaft 13, a magnetic steel yoke plate 15 and magnetic steel, the heat radiation fan 1 provides a rotary permanent magnetic field through the rotor of the fan 1, and the impeller 12 is supported on the casing 10 through the impeller shaft 13; the stator of the fan 1 at least comprises a coil 17, a connecting plate 18, a driving circuit board 19 and a coil yoke plate 20, wherein the magnetic steel yoke plate 15, the magnetic steel 16, the coil 17, the connecting plate 18 and the driving circuit board 19 are sequentially connected between the impeller 12 and the casing 10 by taking the impeller shaft 13 as an axis, the coil yoke plate 20 is installed on a yoke plate installation position 102 integrally formed on the casing 10, and the magnetic steel yoke plate 15, the magnetic steel 16, the coil 17, the coil yoke plate 20, the connecting plate 18 and the driving circuit board 19 form a closed magnetic circuit in a working state, so that magnetic leakage is prevented from influencing the operation of other parts.
The specific implementation mode is as follows:
example 1
As shown in fig. 1-4, an assembly structure of a novel heat dissipation fan 1 and a heat dissipation fan 1 are provided, based on the structure of the heat dissipation fan 1, a fastening portion I and a fastening portion II on a casing 10 and a cover plate 11 of the heat dissipation fan 1 are matched with each other, the casing 10 and the cover plate 11 are fastened and fixed by the fastening portion I and the fastening portion II to form a hollow rectangular frame structure; in this embodiment, the fastening portion I and the fastening portion II respectively adopt a combination of the fastening lug 110 and the stop block 100, the fastening lug 110 is a square sheet structure, and is disposed on one side of the cover plate 11, and protrudes toward one side of the housing 10, the middle of the square sheet structure of the fastening lug 110 is a square fastening hole 111, the stop block 100 is a protruding square structure and is disposed on the outer side of the housing 10, the outer side of the housing 10 has a recessed area for fastening the fastening lug 110, when the cover plate 11 is fastened with the housing 10, the stop block 100 is clamped into the fastening hole 111 of the fastening lug 110 and is fixed, and the fastening lug 110 is embedded into the recessed area on the side of the housing 10, so that a rectangular frame structure without any protrusion is formed when the housing 10 is fastened with the cover plate 11.
It should be noted that the shapes of the fastening lug 110, the fastening hole 111 and the stopper 100 are not limited to a square shape, and other shapes such as a circle, a triangle and other quadrangles may be used as long as the fastening hole 111 is in accordance with the shape of the stopper 100, and the fastening lug 110 is in accordance with the shape of the recessed area outside the casing 10.
The casing 10 and the cover plate 11 are installed in an interference fit mode, a part of the casing 10, on which the cover plate 11 is installed, is provided with a flange 103, and the cover plate 11 is installed on the inner side of the flange 103 of the casing 10; the height of the flange 103 matches the thickness of the cover plate 11 so that the cover plate 11 forms a sunken cover plate 11, and the cover plate 11 and the flange 103 are in interference fit to prevent wind in the fan 1 from flowing out of the gap.
In this embodiment, after the housing 10 is fastened to the cover plate 11, in order to further ensure the fastening stability, a combination of a connection plate 112, a screw 104 and a screw hole 105 is adopted, the connection plate 112 is disposed on the cover plate 11, the connection plate 112 and the housing 10 are both provided with the screw hole 105, and the screw 104 sequentially passes through the connection plate 112 and the screw hole 105 of the housing 10 to fasten the cover plate 11 and the housing 10.
Because the driving circuit board 19 inside the heat dissipating fan 1 is connected to the wires 14, and the other end of the wires 14 needs to extend out of the frame structure of the heat dissipating fan 1, an area where the wires 14 extend needs to be left after the casing 10 and the cover plate 11 are fastened together, in this embodiment, a part of the rectangular frame structure formed by the casing 10 and the cover plate 11, where the wires 14 extend, is provided with a catch 101 to control the wires 14 of the fan 1 to move too large to clamp wires; the stop pillar 101 is installed on the side of either the cover 11 or the housing 10, and in this embodiment, the stop pillar 101 is installed on the housing 10, and a space for the wire 14 to move reasonably is formed between the stop pillar 101 and the cover 11 and the housing 10.
The outer side of the housing 10 has a yoke plate mounting portion (not shown in the drawings), which is integrally formed on the housing 10 to enhance the stability of the mounting of the coil yoke plate 20.
The driving circuit board 19 is provided with a positioning point I for fixing the mounting position of the coil 17, and the driving circuit board 19 is typically a PCBA board.
The number of the coils 17 is at least two, and the coils 17 are symmetrically distributed, in this embodiment, the number of the coils 17 is two, and in practical use, the coils 17 can be selected according to a single phase, a three phase and the like.
The inner side of the casing 10 is provided with a positioning point II, and the positioning point II is used for positioning the installation position of the driving circuit board 19.
Example 2
As shown in fig. 5, in the present embodiment, the structure of the heat dissipation fan 11 is substantially the same as that of the heat dissipation fan 11 in embodiment 1, and the difference is that:
the buckling part I and the buckling part II respectively adopt a combination form of a pin 113 and a pin hole 106, and when the buckling part I and the buckling part II are buckled, the pin 113 is embedded into the pin hole 106 and fixed; at this time, the pin 113 is provided at the bottom of the cover plate 11, and the pin hole 106 is provided at the inner edge portion of the cabinet to match the position of the pin 113.
Example 3
As shown in fig. 5, in the present embodiment, the structure of the heat dissipation fan 11 is substantially the same as that of the heat dissipation fan 1 in embodiment 1 or embodiment 2, except that a yoke plate mounting position 102 is provided inside the casing 10.
It should be added that unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The terms "connected" or "coupled" and the like as used in the description and the claims of the present application are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "end", "side", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships are changed accordingly.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any uses or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It is to be understood that the present invention is not limited to the structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (9)
1. The assembling structure of the novel radiating fan is an installing form of the radiating fan, and is characterized by at least comprising a buckling part I and a buckling part II which are installed on a shell and a cover plate of the fan, wherein the buckling part I and the buckling part II are matched with each other, and the shell and the cover plate are fastened and fixed through the buckling part I and the buckling part II to form a hollow rectangular frame structure;
the shell and the cover plate are installed in an interference fit mode, a part of the shell, where the cover plate is installed, is provided with a flange, and the cover plate is installed on the inner side of the flange of the shell;
a part of a rectangular frame structure formed by the shell and the cover plate and connected with a lead is provided with a stop post;
the outer side of the machine shell is provided with a yoke plate installation position, and the yoke plate installation position is integrally formed on the machine shell.
2. The assembling structure of a novel heat dissipating fan according to claim 1, wherein the fastening portion I and the fastening portion II are respectively formed by a fastening lug and a stopper, and when the fastening portion I and the fastening portion II are fastened, the stopper is fastened and fixed in the fastening hole of the fastening lug; at this time, the fastening lug and the stopper are disposed at the side edges of the case and the cover plate.
3. The assembling structure of a novel heat dissipating fan according to claim 1, wherein the fastening portion I and the fastening portion II are respectively formed by a pin and a pin hole, and when the fastening portion I and the fastening portion II are fastened, the pin is inserted into the pin hole and fixed; at this time, the pin and the pin hole are disposed at the bottom of the cover plate and inside the case.
4. The assembly structure of a novel heat dissipation fan as claimed in claim 1, wherein the height of the flange matches the thickness of the cover plate, the cover plate forms a sunken cover plate, and the cover plate and the flange are in interference fit.
5. The assembly structure of a novel heat dissipation fan as claimed in claim 1, wherein the blocking pillar is mounted on a side of any one of the cover plate and the housing, and a space for a wire to move is formed between the blocking pillar and the cover plate and the housing.
6. A kind of heat-dissipating fan, this heat-dissipating fan includes the chassis, cover plate, fan rotor and fan stator at least; the fan is characterized in that the casing and the cover plate are assembled to form a hollow rectangular structure by adopting the assembling structure of any one of claims 1 to 5, and the fan rotor and the fan stator are arranged in the rectangular structure formed by the casing and the cover plate; the fan rotor at least comprises an impeller, an impeller shaft, a magnetic steel yoke plate and magnetic steel, and the impeller is supported on the shell through the impeller shaft; the fan stator at least comprises a coil, a connecting plate, a driving circuit board and a coil yoke plate, wherein the magnetic steel yoke plate, the magnetic steel, the coil, the connecting plate and the driving circuit board are used for the impeller shaft as an axis and are sequentially connected between the impeller and the casing, and the coil yoke plate is arranged on the integrated yoke plate installation position on the casing.
7. The heat dissipating fan according to claim 6, wherein the driving circuit board is provided with positioning points I for fixing the mounting positions of the coils.
8. The heat dissipating fan according to claim 7, wherein at least two coils are provided and symmetrically distributed.
9. The heat dissipating fan as claimed in claim 6, wherein a positioning point II is provided inside the casing to position the mounting position of the driving circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021663163.5U CN213574698U (en) | 2020-08-11 | 2020-08-11 | Novel radiator fan's package assembly and radiator fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021663163.5U CN213574698U (en) | 2020-08-11 | 2020-08-11 | Novel radiator fan's package assembly and radiator fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213574698U true CN213574698U (en) | 2021-06-29 |
Family
ID=76555386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021663163.5U Active CN213574698U (en) | 2020-08-11 | 2020-08-11 | Novel radiator fan's package assembly and radiator fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213574698U (en) |
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2020
- 2020-08-11 CN CN202021663163.5U patent/CN213574698U/en active Active
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