CN213450905U - Integrated fan - Google Patents

Abstract

The utility model relates to an integrated fan, which comprises a lower shell, a stator component, a rotating shaft, a magnetic ring, a bearing, an integrated fan blade, an upper shell fixed with the lower shell and an upper cover fixed on the upper shell; the lower shell is provided with a first containing cavity and a lower shell air outlet channel, a bearing column is arranged in the first containing cavity, and a bearing chamber is arranged on the bearing column; the upper shell is provided with a second cavity and an upper shell air outlet channel, the other end of the upper shell is provided with an upper shell air inlet channel and a first through hole which communicates the upper shell air inlet channel with the second cavity; the bearing is arranged in a bearing chamber of the bearing column, the stator assembly is fixed in a first containing cavity of the lower shell, the magnetic ring is fixed on the integrated fan blade, the integrated fan blade is fixed at one end of the rotating shaft, the other end of the rotating shaft penetrates through the stator assembly and then is inserted into an inner hole of the bearing, and a radial gap is formed between the stator assembly and the magnetic ring. The utility model discloses integral type fan has rational in infrastructure, axial dimensions is short, the heat dissipation is good, spare part is small in quantity and advantage such as with low costs.

Description

Integrated fan

[ technical field ] A method for producing a semiconductor device

The utility model relates to a fan especially relates to the direct integral type fan of installing the spare part of motor in the fan casing.

[ background of the invention ]

In the prior art, the assembled motor is fixed in the fan shell, the motor and the fan shell are two independent bodies, the split assembly is large in number of parts, complex in assembly process and large in axial size of the whole fan.

[ Utility model ] content

The to-be-solved technical problem of the utility model lies in avoiding above-mentioned prior art's weak point and providing an integral type fan, utilizes the fan casing, directly installs the key spare part of motor in the fan casing, has rational in infrastructure, axial dimensions is short, the heat dissipation is good, spare part advantage such as few in quantity and with low costs.

The utility model provides a technical scheme that technical problem adopted is:

the integrated fan comprises a lower shell, a stator component, a rotating shaft, a magnetic ring, a bearing, integrated fan blades, an upper shell and an upper cover; one end of the lower shell is provided with a cylindrical first containing cavity and a lower shell air outlet channel communicated with the first containing cavity in an opening mode, a bearing column is arranged in the first containing cavity, and a bearing chamber is arranged on the bearing column; one end of the upper shell is provided with a cylindrical second cavity and an upper shell air outlet channel communicated with the second cavity, and the other end of the upper shell is provided with an upper shell air inlet channel and a first through hole communicated with the upper shell air inlet channel and the second cavity; the bearing is arranged in a bearing chamber of a bearing column of the lower shell, the stator assembly is fixed in a first containing cavity of the lower shell, the magnetic ring is fixed on the integrated fan blade, the integrated fan blade is fixed at one end of the rotating shaft, the other end of the rotating shaft penetrates through an axial through hole of the stator assembly and then is inserted into an inner hole of the bearing, a radial gap is formed between the outer circumferential surface of a stator core of the stator assembly and the inner circumferential surface of the magnetic ring, the upper shell and the lower shell are fixed together, and the upper cover is fixed on the upper shell.

The bearing is an oil bearing.

The bottom of the bearing chamber of the bearing column of the lower shell is also provided with a containing cavity for containing the head of the rotating shaft, the head of the rotating shaft is positioned in the containing cavity of the bearing chamber of the bearing column of the lower shell, and a first gasket is arranged between the head of the rotating shaft and the bottom of the containing cavity of the bearing chamber of the bearing column of the lower shell.

The air inlet of the air inlet channel of the upper shell is provided with a top column, and the top column is propped against the inner surface of the upper cover after the upper cover is fixed on the upper shell.

The side of the shell air inlet channel on the upper shell is provided with a convex edge, the upper cover is provided with a groove matched with the convex edge, the upper cover is fixed on the upper shell, and the convex edge of the upper shell is clamped into the groove of the upper cover.

An upper cover air inlet channel is arranged on the upper cover.

The upper housing and the upper cover can be made as one body.

The integrated fan blade comprises a fan blade upper cover, a fan blade main body and a fan blade lower cover, wherein the fan blade upper cover and the fan blade lower cover are axially fixed at the upper end and the lower end of the fan blade main body respectively; the fan blade lower cover is provided with a hollow convex column for fixing the magnetic ring, the hollow convex column is provided with a cavity matched with the magnetic ring, and the magnetic ring is fixed on the inner surface of the cavity of the hollow convex column of the fan blade lower cover.

The upper fan blade cover is in a hollow straw hat shape and comprises a circular base plate and a hollow wind port part connected with the base plate, the main fan blade body comprises a circular disc body provided with a first central through hole, a plurality of blades are arranged on the lower end face of one side of the circular disc body close to the lower fan blade cover, the radial inner end of each blade is fixedly connected with a central cylinder, a second central through hole is arranged on the central cylinder, each blade close to the central cylinder is exposed out of the first central through hole of the circular disc body and is higher than the upper end face of the other side of the circular disc body, a first convex column which is arranged on the same side of the hollow convex column of the lower fan blade cover is arranged on the lower fan blade cover, a third central through hole which has the same central axis with the cavity of the hollow convex column is arranged on the first convex column, the base plate of the upper fan blade cover is fixed on the upper end face of the circular, the fan blade lower cover is fixed on the axial free lower end face of each blade, and a third central through hole of a convex column of the fan blade lower cover and a second central through hole of a central cylinder of the fan blade main body share a common central axis.

The integrated fan further comprises a control circuit board electrically connected and fixed with the stator assembly.

Compared with the prior art, the utility model discloses beneficial effect of integral type fan lies in:

the lower shell, the upper shell and the upper cover of the integrated fan form a fan shell, key parts of the motor are directly installed in the fan shell by using the fan shell, a support or an end cover of the motor is omitted, the axial size of the whole fan is reduced, and the whole fan is more flattened;

the utility model discloses an integral type fan directly uses the integral type fan blade as the carrier to bear magnetic ring and pivot, and the rotor subassembly of prior art need provide a carrier to bear magnetic ring and pivot, the utility model discloses just reduce this spare part to make the axial dimension of whole motor shorter, can also make whole motor only need a bearing;

the integrated fan blade adopts the structure of the upper fan blade cover, the main fan blade body and the lower fan blade cover, so that the die opening is convenient and the structure is firm, and the upper fan blade cover, the main fan blade body and the lower fan blade cover have respective special structures, so that the strength and the ventilation effect of the fan blade are very good;

fourthly, the whole fan is high in integration level, the number of parts is small, the assembly production efficiency is high, and the cost is also reduced;

fifthly, after the motor and the fan shell are integrated, the installation space of key parts of the motor is large, the air inlet channel and the air outlet channel of the fan shell are reasonably arranged, cold air enters from the air inlet channel, heat generated by the key parts of the motor is directly dissipated along with the air outlet channel, and the heat dissipation effect of the motor is better.

Through adopting this kind of structure above, the utility model discloses integral type fan has rational in infrastructure, axial dimensions is short, the heat dissipation is good, spare part is small in quantity and advantage such as with low costs.

[ description of the drawings ]

Fig. 1 is a schematic diagram of an axial projection of the integrated fan of the present invention, in which arrow a indicates air entering from here and arrow B indicates air exiting from here;

FIG. 2 is a schematic axial projection view of the integrated blower in another direction, in which arrow A indicates air inlet and arrow B indicates air outlet;

FIG. 3 is a front cross-sectional elevation view of the integrated blower with the arrow A indicating the air flow therethrough;

FIG. 4 is a schematic perspective view of the integrated blower after disassembly;

FIG. 5 is a schematic isometric view of a lower housing of the integrated blower;

FIG. 6 is a schematic isometric view of the upper housing of the integrated blower;

FIG. 7 is a schematic diagram of an axonometric projection of the upper cover of the integrated blower;

FIG. 8 is a schematic diagram of an axial projection of the integrated fan when the rotating shaft, the magnetic ring and the integrated fan blade are assembled together;

FIG. 9 is a schematic view of an axonometric projection in another direction when the rotating shaft, the magnetic ring and the integrated fan blade are assembled together;

FIG. 10 is a front cross-sectional view of an orthographic projection of the rotating shaft, the magnetic ring and the integrated fan blade assembled together;

FIG. 11 is a schematic view of an axonometric projection of the rotating shaft, the magnetic ring and the integrated fan blade after being disassembled;

FIG. 12 is a schematic view of an exploded perspective view of the rotating shaft, the magnetic ring and the integrated fan blade in another direction;

FIG. 13 is a schematic axial view of a main body of the integrated blade;

fig. 14 is a schematic diagram of an axonometric projection of the fan blade main body in another direction;

FIG. 15 is a schematic view of an axial projection of a lower cover of the integrated fan blade;

fig. 16 is a schematic diagram of an axonometric projection of the fan blade lower cover in another direction;

FIG. 17 is a schematic axial projection view of the integrated blower with the stator assembly and control circuit board assembled together.

[ detailed description ] embodiments

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 10, an integrated fan includes a lower casing 10, a stator assembly 20, a rotating shaft 30, a magnetic ring 40, a bearing 50, an integrated fan blade 60, an upper casing 70 and an upper cover 80, where the lower casing 10, the upper casing 70 and the upper cover 80 together form a fan casing of the whole fan; a cylindrical first cavity 11 and a lower shell air outlet channel 12 communicated with the first cavity 11 are arranged at an opening at one end of the lower shell 10, a bearing column 13 is arranged in the first cavity 11, and a bearing chamber 131 is arranged on the bearing column 13; a cylindrical second cavity 71 and an upper shell air outlet channel 72 communicated with the second cavity 71 are arranged at an opening at one end of the upper shell 70, an upper shell air inlet channel 73 and a first through hole 74 for communicating the upper shell air inlet channel 73 with the second cavity 71 are arranged at the other end of the upper shell 70; the bearing 50 is disposed in the bearing chamber 131 of the bearing post 13 of the lower housing 10, the stator assembly 20 is fixed in the first cavity 11 of the lower casing 10, the magnetic ring 40 is fixed on the integrated fan blade 60, the integrated fan blade 60 is fixed at one end of the rotating shaft 30, the other end of the rotating shaft 30 passes through the axial through hole of the stator assembly 20 and then is inserted into the inner hole of the bearing 50, a radial gap 99 is formed between the outer circumferential surface of the stator core 21 of the stator assembly 20 and the inner circumferential surface of the magnetic ring 40, the upper casing 70 and the lower casing 10 are fixed together, the upper casing air outlet channel 72 of the upper casing 70 and the lower casing air outlet channel 12 of the lower casing 10 together form an air outlet channel of the whole integrated fan, the upper cover 80 is fixed on the upper housing 70, and covers the upper housing air inlet channel 73 of the upper housing 70 to form a semi-closed air inlet channel with only an air inlet. The rotating shaft 30, the magnetic ring 40 and the integrated fan blade 60 are assembled together to form a rotor assembly, the rotor assembly formed by the rotating shaft 30, the magnetic ring 40 and the integrated fan blade 60 rotates relative to the stator assembly 20 through the bearing 50, and external air is sucked in from the air inlet channel and is sucked out from the air outlet channel. Magnetic ring 40 and pivot 30 are the key spare part of prior art's rotor subassembly, and prior art's rotor subassembly needs to provide a carrier to bear magnetic ring 40 and pivot 30, and the utility model discloses the integral type fan is direct to bear magnetic ring 40 and pivot 30 with integral type fan blade 60 as the carrier, has just so reduced a spare part to make the axial dimensions of whole motor short, can also make whole motor only need a bearing.

Referring to fig. 3 and 4, the bearing 50 is an oil-impregnated bearing.

Referring to fig. 3 and 4, in order to prevent the head of the rotating shaft 30 from directly contacting the bottom cavity of the bearing chamber 131 of the bearing column 13 of the lower housing 10, the bottom of the bearing chamber 131 of the bearing column 13 of the lower housing 10 is further provided with a cavity 132 for accommodating the head of the rotating shaft 30, the head of the rotating shaft 30 is located in the cavity 132 of the bearing chamber 131 of the bearing column 13 of the lower housing 10, and a first gasket 95 is disposed between the head of the rotating shaft 30 and the bottom of the cavity 132 of the bearing chamber 131 of the bearing column 13 of the lower housing 10.

Referring to fig. 3, 4 and 6, in order to enhance the strength of the air inlet channel, a top post 739 is disposed at the air inlet of the air inlet channel 73 of the upper housing 70, and after the upper cover 80 is fixed on the upper housing 70, the top post 739 is pressed against the inner surface of the upper cover 80.

Referring to fig. 3, 4, 6 and 7, for positioning and fixing, a raised edge 79 is provided on the upper casing 70 on the side of the upper casing air inlet channel 73, a groove 89 adapted to the raised edge 79 is provided on the upper cover 80, and after the upper cover 80 is fixed on the upper casing 70, the raised edge 79 of the upper casing 70 is snapped into the groove 89 of the upper cover 80.

Referring to fig. 3, 4, 6 and 7, in order to increase the volume of the air inlet channel, an upper cover air inlet channel 83 is provided on the upper cover 80, so that the upper cover air inlet channel 83 of the upper cover 80 and the upper housing air inlet channel 73 of the upper housing 70 together form the air inlet channel of the whole integrated fan.

Referring to fig. 1 to 3, the upper housing 70 and the upper cover 80 can be formed as a single body, and the upper housing 70 and the upper cover 80 are formed as a single body, which is complicated to manufacture.

Referring to fig. 10 to 12, in order to facilitate mold opening and secure structure, the integrated fan blade 60 includes a fan blade upper cover 61, a fan blade main body 62 and a fan blade lower cover 63, and the fan blade upper cover 61 and the fan blade lower cover 63 are respectively axially fixed at the upper end and the lower end of the fan blade main body 62; the fan blade lower cover 63 is provided with a hollow convex column 631 for fixing the magnetic ring 40, the hollow convex column 631 is provided with a cavity 6311 matched with the magnetic ring 40, and the magnetic ring 40 is fixed on the inner surface of the cavity 6311 of the hollow convex column 631 of the fan blade lower cover 63.

Referring to fig. 8 to 16, in order to enhance the strength and ventilation effect of the fan blade, the upper cover 61 of the fan blade is in a hollow straw hat shape and comprises an annular base plate 611 and a hollow wind port 612 connected with the base plate 611, the main body 62 of the fan blade comprises an annular disc 621 provided with a first central through hole 6211, a plurality of blades 622 are arranged on the lower end surface of one side of the annular disc 621 close to the lower cover 63 of the fan blade, the radial inner end of each blade 622 is fixedly connected with a central cylinder 623, a second central through hole 6231 is arranged on the central cylinder 623, each blade 622 close to the central cylinder 623 is exposed out of the first central through hole 6211 of the annular disc 621 and is higher than the upper end surface of the other side of the annular disc 621, the lower cover 63 of the fan blade is further provided with a first convex column 632 on the same side with the hollow convex column 631 of the lower cover 63 of the fan blade, the first convex column 632 is provided with a third central through hole 6321 having a common central axis with the cavity 6311 of The bottom disc 611 of the upper fan blade cover 61 is fixed on the upper end face of the circular disc 621 of the main fan blade body 62, the hollow wind port part 612 of the upper fan blade cover 61 covers each fan blade 622 exposed from the first central through hole 6211 of the circular disc 621, the lower fan blade cover 63 is fixed on the axial free lower end face 6221 of each fan blade 622, and the third central through hole 6321 of the convex column 632 of the lower fan blade cover 63 and the second central through hole 6231 of the central cylinder 623 of the main fan blade body 62 share the same central axis.

Referring to fig. 9 to 14, for the convenience of balancing, a plurality of second protruding columns 6219 are disposed on the upper end surface of the circular disc 621 of the fan blade main body 62. The second protruding columns 6219 are formed in a circle and arranged at the outer edge of the upper end surface of the circular disc 621 of the fan blade main body 62. When the balance test of the integrated fan blade rotor assembly is carried out, the balance requirement of the integrated fan blade rotor assembly can be met by shearing certain second convex columns 6219, and the balance test is very convenient.

Referring to fig. 11 to 16, in order to firmly position and fix the fan blade lower cover 63 and the fan blade main body 62, grooves 639 having the same number as the number of the fan blades 622 are provided on the upper end surface of the fan blade lower cover 63, and the axially free lower end surfaces 6221 of the fan blades 622 are respectively embedded into the corresponding grooves 639 of the fan blade lower cover 63, so that the fan blade lower cover 63 is fixed on the axially free lower end surfaces 6221 of the fan blades 622.

Referring to fig. 11 to 16, in order to position the lower blade cover 63 and the blade main body 62 more accurately and firmly, a protrusion 62211 is provided on the lower axial free end face 6221 of each blade 622, and correspondingly, a through hole 6399 adapted to the corresponding protrusion 62211 is provided at each groove 639; when the axial free lower end face 6221 of each blade 622 is respectively embedded into the corresponding groove 639 of the fan blade lower cover 63, the protrusions 62211 on each groove 639 are respectively inserted into the through holes 6399 of the corresponding groove 639.

Referring to fig. 9 and 11 to 16, in order to firmly position and fix the upper fan blade cover 61 and the fan blade main body 62, a circle of a plurality of third convex columns 6218 are provided on the edge of the upper end surface of the circular disc 621 of the fan blade main body 62, which is close to the first central through hole 6211, and correspondingly, third through holes 6118 which are the same in number and are matched with the third convex columns 6218 are provided on the chassis 611 of the upper fan blade cover 61; each third convex column 6218 of the circular disc 621 of the fan blade main body 62 is inserted into the corresponding third through hole 6118 of the bottom disc 611 of the fan blade upper cover 61, so that the bottom disc 611 of the fan blade upper cover 61 is fixed on the circular disc 621 of the fan blade main body 62.

Referring to fig. 11 and 13 to 16, in order to ensure that the third central through hole 6321 of the first convex column 632 of the lower fan blade cover 63 and the second central through hole 6231 of the central cylinder 623 of the fan blade main body 62 have a common central axis, a blind hole 636 having a common central axis with the third central through hole 6321 of the first convex column 632 is arranged on the upper end surface of the lower fan blade cover 63, and the blind hole 636 is matched with the lower end head of the central cylinder 623 of the fan blade main body 62; after the fan blade lower cover 63 is fixed on the axial free lower end face 6221 of each blade 622 of the fan blade main body 62, the lower end head of the central cylinder 623 of the fan blade main body 62 is positioned in the blind hole 636 of the fan blade lower cover 63.

Referring to fig. 3, 4 and 17, the integrated blower further includes a control circuit board 98 electrically secured to the stator assembly 20. Stator assembly 20's stator winding (not marked) electricity is connected to control circuit board 98, and control circuit board 98 controls the utility model discloses the work of integral type fan.

The above-mentioned embodiments only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but it is not understood to limit the scope of the invention, it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which all belong to the protection scope of the present invention, therefore, all the equivalent changes and modifications made with the scope of the claims of the present invention shall belong to the coverage of the claims of the present invention.

Claims (10)

1. The utility model provides an integral type fan which characterized in that:

the wind power generator comprises a lower shell (10), a stator assembly (20), a rotating shaft (30), a magnetic ring (40), a bearing (50), an integrated fan blade (60), an upper shell (70) and an upper cover (80); one end of the lower shell (10) is provided with a cylindrical first cavity (11) and a lower shell air outlet channel (12) communicated with the first cavity (11), a bearing column (13) is arranged in the first cavity (11), and a bearing chamber (131) is arranged on the bearing column (13); one end of the upper shell (70) is provided with a cylindrical second cavity (71) and an upper shell air outlet channel (72) communicated with the second cavity (71) in an opening manner, and the other end of the upper shell (70) is provided with an upper shell air inlet channel (73) and a first through hole (74) communicated with the upper shell air inlet channel (73) and the second cavity (71); the bearing (50) is arranged in a bearing chamber (131) of a bearing column (13) of the lower shell (10), the stator assembly (20) is fixed in a first containing cavity (11) of the lower shell (10), the magnetic ring (40) is fixed on the integrated fan blade (60), the integrated fan blade (60) is fixed at one end of the rotating shaft (30), the other end of the rotating shaft (30) penetrates through an axial through hole of the stator assembly (20) and then is inserted into an inner hole of the bearing (50), a radial gap (99) is formed between the outer circumferential surface of a stator core (21) of the stator assembly (20) and the inner circumferential surface of the magnetic ring (40), the upper shell (70) and the lower shell (10) are fixed together, and the upper cover (80) is fixed on the upper shell (70).

2. The integrated blower of claim 1, wherein:

the bearing (50) is an oil bearing.

3. The integrated blower of claim 1, wherein:

the bottom of the bearing chamber (131) of the bearing column (13) of the lower shell (10) is further provided with a containing cavity (132) for containing the head of the rotating shaft (30), the head of the rotating shaft (30) is located in the containing cavity (132) of the bearing chamber (131) of the bearing column (13) of the lower shell (10), and a first gasket (95) is arranged between the head of the rotating shaft (30) and the bottom of the containing cavity (132) of the bearing chamber (131) of the bearing column (13) of the lower shell (10).

4. The integrated blower of claim 1, wherein:

a top column (739) is arranged at an air inlet of an upper shell air inlet channel (73) of the upper shell (70), and the top column (739) is pressed against the inner surface of the upper shell (80) after the upper shell (80) is fixed on the upper shell (70).

5. The integrated blower of claim 1, wherein:

go up casing (70) and be equipped with chimb (79) on the side of casing air inlet channel (73), be equipped with on upper cover (80) with recess (89) of chimb (79) looks adaptation, upper cover (80) are fixed go up the back on casing (70), chimb (79) the card of going up casing (70) is gone into in recess (89) of upper cover (80).

6. The integrated blower of claim 1, wherein:

an upper cover air inlet channel (83) is arranged on the upper cover (80).

7. The integrated blower of claim 1, wherein:

the upper case (70) and the upper cover (80) can be formed as one body.

8. The integrated blower of claim 1, wherein:

the integrated fan blade (60) comprises a fan blade upper cover (61), a fan blade main body (62) and a fan blade lower cover (63), wherein the fan blade upper cover (61) and the fan blade lower cover (63) are axially fixed at the upper end and the lower end of the fan blade main body (62) respectively; the fan blade lower cover (63) is provided with a hollow convex column (631) for fixing the magnetic ring (40), the hollow convex column (631) is provided with a cavity (6311) matched with the magnetic ring (40), and the magnetic ring (40) is fixed on the inner surface of the cavity (6311) of the hollow convex column (631) of the fan blade lower cover (63).

9. The integrated blower of claim 8, wherein:

the fan blade upper cover (61) is in a hollow straw hat shape and comprises a circular base plate (611) and a hollow wind port part (612) connected with the base plate (611); the fan blade main body (62) comprises a circular disc body (621) provided with a first central through hole (6211), a plurality of blades (622) are arranged on the lower end face of one side of the circular disc body (621) close to the fan blade lower cover (63), a central cylinder (623) is fixedly connected to the inner end in the radial direction of each blade (622), a second central through hole (6231) is arranged on the central cylinder (623), and each blade (622) close to the central cylinder (623) is exposed out of the first central through hole (6211) of the circular disc body (621) and is higher than the upper end face of the other side of the circular disc body (621); the fan blade lower cover (63) is also provided with a first convex column (632) which is arranged on the same side of the hollow convex column (631) of the fan blade lower cover (63), and the first convex column (632) is provided with a third central through hole (6321) which has the same central axis with the cavity (6311) of the hollow convex column (631); the base plate (611) of the upper fan blade cover (61) is fixed on the upper end face of a circular disc body (621) of the main fan blade body (62), and a hollow wind port part (612) of the upper fan blade cover (61) covers each fan blade (622) exposed from a first central through hole (6211) of the circular disc body (621); the fan blade lower cover (63) is fixed on the axial free lower end face (6221) of each fan blade (622), and a third central through hole (6321) of the first convex column (632) of the fan blade lower cover (63) and a second central through hole (6231) of the central cylinder (623) of the fan blade main body (62) share a common central axis.

10. The integrated blower according to any one of claims 1 to 9, wherein:

the motor also comprises a control circuit board (98) which is electrically connected and fixed with the stator assembly (20).

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