CN212412897U - Stator supporting structure of radiating fan - Google Patents
Stator supporting structure of radiating fan Download PDFInfo
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- CN212412897U CN212412897U CN202021968104.9U CN202021968104U CN212412897U CN 212412897 U CN212412897 U CN 212412897U CN 202021968104 U CN202021968104 U CN 202021968104U CN 212412897 U CN212412897 U CN 212412897U
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- limiting
- base
- circuit board
- bottom plate
- insulating
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Abstract
The utility model discloses a radiator fan's stator bearing structure, include: a base including a bottom plate having a plate-like structure; the insulating seat is combined with the bottom plate through integral molding, and at least covers part of the upper surface of the bottom plate; the middle pipe protrudes upwards from the upper surface of the middle position of the insulating seat; the circuit board is sleeved on the periphery of the middle pipe and at least partially covers the upper surface of the insulating seat, and the circuit board is directly or indirectly fixed with the insulating seat. The utility model has the advantages of simple structure, simple manufacture, radiator fan's stator bearing structure is stable, extension radiator fan's life.
Description
Technical Field
The utility model belongs to the technical field of the fan design, concretely relates to radiator fan's stator bearing structure.
Background
The existing electronic equipment can generate a large amount of heat inside during operation, a cooling fan needs to be installed to cool internal elements of the existing electronic equipment, the serious loss of the existing electronic equipment is avoided, and the service life of the existing cooling fan is shortened.
Therefore, in view of the above technical problems, it is desirable to provide a stator supporting structure of a heat dissipation fan.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a radiator fan's stator bearing structure and preparation method to solve the problem among the prior art.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
in one embodiment, there is provided a stator support structure of a heat dissipation fan, including:
a base including a bottom plate having a plate-like structure;
the insulating seat is combined with the bottom plate through integral molding, and at least covers part of the upper surface of the bottom plate;
the middle pipe protrudes upwards from the upper surface of the middle position of the insulating seat;
the circuit board is sleeved on the periphery of the middle pipe and at least partially covers the upper surface of the insulating seat, and the circuit board is directly or indirectly fixed with the insulating seat.
As a further improvement of the present invention, the base and between the insulating seat and/or the insulating seat and between the circuit board realize mutual fixation through a plurality of limit structures.
As a further improvement of the present invention, the plurality of limit structures include a location the bottom plate with first limit structure and/or second limit structure between the insulator, locate the insulator with third limit structure and/or fourth limit structure between the circuit board.
As a further improvement of the present invention, the first limit structure includes:
a plurality of clamping columns formed on the bottom plate;
a plurality of clamping grooves which are formed on the insulating base and matched with the clamping columns;
the insulating seat is clamped with the clamping column through the clamping groove, so that relative fixation between the insulating seat and the base is realized.
As a further improvement of the utility model, the card post is constructed into L type card post, the draw-in groove is constructed into L type draw-in groove.
As a further improvement of the present invention, the second limit structure includes:
a plurality of limiting holes formed on the bottom plate;
the plurality of limiting columns are convexly arranged on the insulating base along the direction of the bottom plate;
the limiting column is matched with the limiting hole, and the insulating seat is clamped in the limiting hole through the limiting column to be relatively fixed with the base.
As a further improvement of the present invention, the third limiting structure includes:
and the edges of the circuit board are embedded in the clamping structures.
As a further improvement of the present invention, the fourth limit structure includes:
a plurality of positioning columns formed on the upper surface of the insulating base;
a positioning through hole formed on the circuit board;
the circuit board is clamped in the positioning through hole through the positioning column to realize relative fixation with the insulating base.
As a further improvement, the insulating base has an coupling portion and certainly the extension of the radial outside extension of coupling portion, coupling portion and along coupling portion axial direction and coupling portion correspond be equipped with on the bottom plate first limit structure, the extension reaches along coupling portion axial direction and extension correspond be equipped with on the bottom plate second limit structure.
As a further improvement, the coupling part is hollow, the middle pipe is arranged in the coupling part, and the middle pipe is made of metal material.
As a further improvement, the inner surface of the coupling part is provided with a raised annular step part, the outer surface of the middle pipe is concavely provided with an annular groove part matched with the annular step part, and the middle pipe is clamped with the annular step part through the annular groove part and the annular step part to be fixed relatively to the coupling part.
As a further improvement of the present invention, the limiting structure can be a through structure that is connected to the bottom plate, the insulating base and the limiting part of the circuit board.
As a further improvement of the present invention, the insulating base is formed by injection molding between the circuit board and the base.
As a further improvement of the present invention, the insulating base is formed on the base by one-time injection molding; the circuit board is sleeved on the middle pipe in an assembling mode, and the third limiting structure and/or the fourth limiting structure are/is formed in a secondary injection molding mode.
Compared with the prior art, the utility model has the advantages of:
the structure is simple, the manufacture is simple, the stator supporting structure of the cooling fan is stable, and the service life of the cooling fan is prolonged;
the stator supporting structure can be formed in one step through injection molding, so that time and labor cost are saved, and damage to the middle pipe and the bottom plate in the injection molding process is reduced;
when the stator supporting structure is formed by secondary injection molding, the stator supporting structure is easier to form, and the used mold is simple in structure.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a perspective view of a stator support structure of a heat dissipation fan in embodiment 1 of the present application;
fig. 2 is a partial sectional view of a stator support structure of a heat dissipation fan in embodiment 1 of the present application;
fig. 3 is an exploded view of a stator support structure of a radiator fan in embodiment 1 of the present application;
fig. 4 is an exploded view of another perspective of the stator support structure of the radiator fan in embodiment 1 of the present application;
fig. 5 is an exploded view of a stator support structure of a radiator fan in embodiment 2 of the present application;
fig. 6 is a sectional view of a stator support structure of a heat dissipation fan in embodiment 2 of the present application;
fig. 7 is a structural diagram of a limiting member in a stator supporting structure of a cooling fan in embodiment 2 of the present application.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.
Example 1
Referring to fig. 1, an embodiment of the present application provides a stator supporting structure of a heat dissipation fan, including a base 1, an insulating base 2, a circuit board 3 and a middle tube 4, wherein the insulating base 2 is embedded on the base 1, the circuit board 3 is sleeved on the insulating base 2, the middle tube 4 is clamped in the insulating base 2, the insulating base 2 is combined on the base 1 through an integrated molding, and the circuit board 3 is directly or indirectly fixed to the insulating base 2.
Referring to fig. 2 and 3, a positioning hole 11 is formed in the middle of the base 1, four L-shaped clamping columns 12 are arranged at the edge of the positioning hole 11 in an array manner, the L-shaped clamping columns 12 are arranged in a protruding manner in the direction of the insulating base 2, and four limiting holes 13 are formed in the base 1 around the positioning hole 11 and used for limiting the insulating base 2.
Insulating seat 2 inlays and locates on base 1, and insulating seat 2 is constructed into annular structure, and insulating seat 2 includes a coupling portion 21 and the extension 22 of radially outwards extending from coupling portion 21, and coupling portion 21 inlays and locates in base 1's locating hole 11, and extension 22 covers on base 1's upper surface.
The bottom of the shaft connecting part 21 is provided with four L-shaped clamping grooves 211 matched with the L-shaped clamping columns 12, and the shaft connecting part 21 is clamped with the L-shaped clamping grooves 211 through the L-shaped clamping columns 12 to realize the relative fixation between the insulating base 2 and the base 1; the shaft coupling portion 21 is hollow, and a raised annular step portion 212 is provided on the inner surface of the shaft coupling portion 21.
The annular edge of the extension portion 22 is provided with five engaging structures 221, and the engaging structures 221 are configured to be bent toward the shaft connecting portion 21 along the edge of the extension portion 22 and have a certain gap with the extension portion 22, and the thickness of the gap is the same as that of the circuit board 3, so as to accommodate and fix the circuit board 3.
Referring to fig. 4, four limiting posts 222 are convexly disposed on the lower surface of the extending portion 22 corresponding to the limiting holes 13 of the base 1 along the direction of the base 1, and the extending portion 22 is clamped in the limiting holes 13 through the limiting posts 222 to be relatively fixed with the base 1.
Referring to fig. 3, the circuit board 3 is sleeved on the insulating base 2, the circuit board 3 is also configured as a circular ring structure, and the edge of the circuit board 3 is embedded in the engaging structure 221 of the extending portion 22.
Referring to fig. 2 and 3, the middle tube 4 is clamped in the insulating base 2, the middle tube 4 is made of a metal material, specifically, the middle tube 4 is arranged in the shaft connecting portion 21, an annular groove portion 41 matched with the annular step portion 212 is concavely arranged on the outer surface of the middle tube 4, and the middle tube 4 is fixed relative to the shaft connecting portion 21 through the clamping of the annular groove portion 41 and the annular step portion 212.
Example 2
Referring to fig. 5 and 6, an embodiment of the present application provides a stator supporting structure of a heat dissipation fan, including a base 1, an insulating base 2, a circuit board 3 and a middle tube 4, wherein the insulating base 2 is embedded on the base 1, the circuit board 3 is sleeved on the insulating base 2, and the middle tube 4 is clamped in the insulating base 2.
The difference from embodiment 1 is that the stator supporting structure of the heat dissipation fan in embodiment 2 includes a limiting member 5, and the limiting member 5 penetrates through the base 1, the insulating base 2 and the circuit board 3 to realize relative fixation among the three components.
A locating hole 11 is formed in the middle of the base 1, four L-shaped clamping columns 12 are arranged at the edge of the locating hole 11 in an array mode, the L-shaped clamping columns 12 are arranged in a protruding mode in the direction of the insulating base 2, five first limiting holes 14 are formed in the base 1 around the locating hole 11 and used for limiting the positions of the insulating base 2 and the circuit board 3 in a matching mode with the limiting part 5, the side wall of each first limiting hole 14 comprises a first side wall 141 and a second side wall 142 which are connected, a first space is formed by surrounding the first side wall 141, a second space is formed by surrounding the second side wall 142, and the cross sectional area of the first space in the axial direction perpendicular to the middle pipe 4 is smaller than that of the second space in the axial direction perpendicular to the middle pipe 4.
Insulating seat 2 inlays and locates on base 1, and insulating seat 2 is constructed into annular structure, and insulating seat 2 includes a coupling portion 21 and the extension 22 of radially outwards extending from the coupling portion, and coupling portion 21 inlays and locates in the locating hole of base 1, and extension 22 covers on the upper surface of base 1.
The bottom of the shaft connecting part 21 is provided with four L-shaped clamping grooves matched with the L-shaped clamping columns, and the shaft connecting part is clamped with the L-shaped clamping grooves through the L-shaped clamping columns to realize the relative fixation between the insulating base 2 and the base 1; the shaft connecting portion 21 is hollow and has an upward opening, and a raised annular step portion 212 is provided on the inner surface of the shaft connecting portion 21.
The annular edge of the extension portion 22 may be provided with a clamping structure 212 in fig. 3, the clamping structure is configured to be bent towards the shaft connecting portion along the edge of the extension portion and has a certain gap with the extension portion, and the thickness of the gap is the same as that of the circuit board 3, so as to accommodate and fix the circuit board 3; the extending portion 22 is provided with a second position-limiting hole 224 corresponding to the first position-limiting hole 14 of the base 1, and the aperture of the second position-limiting hole 224 is smaller than the minimum aperture of the first position-limiting hole 14.
The circuit board 3 is sleeved on the insulating base 2, the circuit board 3 is also constructed into a circular structure, a third limiting hole 32 is formed in the circuit board 3 corresponding to the second limiting hole 224, and the aperture of the third limiting hole 32 is equal to or larger than that of the second limiting hole 224.
Referring to fig. 7, the limiting member 5 includes a limiting base 51, a limiting cover 52 and a limiting portion 53 therebetween, wherein the limiting base 51 can be engaged in the first limiting hole 14 and has a shape matching the first limiting hole; the position limiting part 53 is configured into a cylindrical structure, can be arranged in the second position limiting hole 224 and the third position limiting hole 32, and has the axial length equal to the sum of the thicknesses of the extending part and the circuit board 3; the sectional area of the limiting cover 52 along the axial direction is larger than the axial sectional area of the limiting part 53, so that when the limiting part 5 is arranged in the first, second and third limiting holes, the limiting cover 52 can be abutted against the upper surface of the circuit board 3, and the relative positions of the base 1, the insulating base 2 and the circuit board 3 are fixed.
Well pipe 4 block is in insulating seat 2, specifically, locate the coupling part in, the concave annular slot part 41 that is equipped with one and annular step portion assorted on well pipe 4's the surface, well pipe 4 passes through the annular slot part and realizes the relatively fixed with the coupling part with the block of annular step portion, well pipe 4 is made by metal material.
The manner of the spacing between the base 1, the insulating base 2, and the circuit board 3 is not limited to the methods in embodiment 1 and embodiment 2 described above.
An embodiment of the present invention provides a method for manufacturing a stator supporting structure of a heat dissipation fan, including that the insulating base 2 is formed between the circuit board 3 and the base 1 by an injection molding method.
Further, in an embodiment, the method comprises the following steps:
providing a mould, and placing the middle pipe 4, the circuit board 3 and the base 1 in the mould according to fixed positions;
injecting the insulating material of the insulating base 2 into the mold in an injection molding manner;
and (5) condensing and forming.
The molding mode can save time and labor cost, reduces the damage to the centering tube 4 and the base 1 in the injection molding process, and ensures that the circuit board 3 and the insulating layer (the insulating base 2) are tightly combined without a special structure.
Further, in another embodiment, the method comprises the following steps:
providing a first mould, and placing the middle pipe 4 and the base 1 in the first mould according to fixed positions;
injecting the insulating material of the insulating base 2 into the first mold in an injection molding mode, and condensing and molding;
sleeving the circuit board 3 on the middle pipe 4 and on the surface of the insulating base 2, and forming a third limiting structure and/or a fourth limiting structure between the circuit board 3 and the insulating base 2 in an injection molding mode;
and (5) condensing and forming.
The insulating layer (the insulating base 2) and the base 1, and the circuit board 3 and the insulating layer (the insulating base 2) are formed by injection and package twice, so that the forming is easier and the required die structure is simple.
Or
Providing a first mould, and placing the middle pipe 4 and the base 1 in the first mould according to fixed positions;
injecting the insulating material of the insulating base 2 into the first mold in an injection molding mode, and condensing and molding;
the circuit board 3 is sleeved on the middle tube 4 and positioned on the surface of the insulating base 2, and a limiting part 5 is formed among the circuit board 3, the insulating base 2 and the base 1 in an injection molding mode for condensation.
In addition to the above embodiments, the insulating base 2 may also be designed as an independent injection molding part, and after the insulating base 2 is assembled to the base 1, a local position is fixed to the base 1 through injection molding (which may be designed in a manner similar to the fixing manner of the limiting member 5 in the above embodiments).
Compared with the prior art, the utility model has the advantages of:
the structure is simple, the manufacture is simple, the stator supporting structure of the cooling fan is stable, and the service life of the cooling fan is prolonged;
the stator supporting structure can be formed in one step through injection molding, so that time and labor cost are saved, and damage to the middle pipe and the bottom plate in the injection molding process is reduced;
when the stator supporting structure is formed by secondary injection molding, the stator supporting structure is easier to form, and the used mold is simple in structure.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (13)
1. A stator support structure of a heat radiation fan, comprising:
a base including a bottom plate having a plate-like structure;
the insulating seat is combined with the bottom plate through integral molding, and at least covers part of the upper surface of the bottom plate;
the middle pipe protrudes upwards from the upper surface of the middle position of the insulating seat;
the circuit board is sleeved on the periphery of the middle pipe and at least partially covers the upper surface of the insulating seat, and the circuit board is directly or indirectly fixed with the insulating seat.
2. The stator support structure of a heat dissipation fan as claimed in claim 1, wherein the base and the insulating base and/or the insulating base and the circuit board are fixed to each other by a plurality of position-limiting structures.
3. The stator support structure of a heat dissipation fan as claimed in claim 2, wherein the plurality of position-limiting structures include a first position-limiting structure and/or a second position-limiting structure disposed between the bottom plate and the insulating base, and a third position-limiting structure and/or a fourth position-limiting structure disposed between the insulating base and the circuit board.
4. The stator support structure of a heat dissipating fan as claimed in claim 3, wherein the first position limiting structure comprises:
a plurality of clamping columns formed on the bottom plate;
a plurality of clamping grooves which are formed on the insulating base and matched with the clamping columns;
the insulating seat is clamped with the clamping column through the clamping groove, so that relative fixation between the insulating seat and the base is realized.
5. The stator support structure of a heat dissipating fan as claimed in claim 3, wherein the second position limiting structure includes:
a plurality of limiting holes formed on the bottom plate;
the plurality of limiting columns are convexly arranged on the insulating base along the direction of the bottom plate;
the limiting column is matched with the limiting hole, and the insulating seat is clamped in the limiting hole through the limiting column to be relatively fixed with the base.
6. The stator support structure of a heat dissipating fan as claimed in claim 3, wherein the third position limiting structure includes:
and the edges of the circuit board are embedded in the clamping structures.
7. The stator support structure of a heat dissipating fan as claimed in claim 3, wherein the fourth position limiting structure includes:
a plurality of positioning columns (223) formed on the upper surface of the insulating base;
a positioning through hole (31) formed on the circuit board;
the circuit board is clamped in the positioning through hole through the positioning column to realize relative fixation with the insulating base.
8. The stator supporting structure of a heat dissipating fan according to claim 3, wherein the insulating base has a coupling portion and an extending portion extending radially outward from the coupling portion, the first limiting structure is provided on the coupling portion and the bottom plate corresponding to the coupling portion along an axial direction of the coupling portion, and the second limiting structure is provided on the extending portion and the bottom plate corresponding to the extending portion along the axial direction of the coupling portion.
9. The stator support structure of a heat dissipating fan of claim 8, wherein the coupling portion is hollow, the middle tube is disposed in the coupling portion, and the middle tube is made of a metal material.
10. The stator supporting structure of a heat dissipating fan as claimed in claim 9, wherein a raised annular step is formed on an inner surface of the coupling portion, an annular groove matching the annular step is formed in an outer surface of the middle tube, and the middle tube is fixed to the coupling portion by engaging the annular groove with the annular step.
11. The stator support structure of a heat dissipation fan as claimed in claim 2, wherein the limiting structure is a limiting member penetrating through the bottom plate, the insulating base and the circuit board.
12. The stator support structure of a heat dissipating fan according to any one of claims 1 to 11, wherein: the insulating seat is formed between the circuit board and the base in an injection molding mode.
13. The stator support structure of a heat dissipating fan according to any one of claims 3 to 10, wherein: the insulating seat is formed on the base in a one-time injection molding mode; the circuit board is sleeved on the middle pipe in an assembling mode, and the third limiting structure and/or the fourth limiting structure are/is formed in a secondary injection molding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021968104.9U CN212412897U (en) | 2020-09-10 | 2020-09-10 | Stator supporting structure of radiating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021968104.9U CN212412897U (en) | 2020-09-10 | 2020-09-10 | Stator supporting structure of radiating fan |
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| Publication Number | Publication Date |
|---|---|
| CN212412897U true CN212412897U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021968104.9U Active CN212412897U (en) | 2020-09-10 | 2020-09-10 | Stator supporting structure of radiating fan |
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| CN (1) | CN212412897U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969751A (en) * | 2020-09-10 | 2020-11-20 | 太仓欣华盈电子有限公司 | Stator supporting structure of radiating fan |
-
2020
- 2020-09-10 CN CN202021968104.9U patent/CN212412897U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969751A (en) * | 2020-09-10 | 2020-11-20 | 太仓欣华盈电子有限公司 | Stator supporting structure of radiating fan |
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