CN211351964U - Air supply fan capable of quickly adding heat dissipation of motor - Google Patents
Air supply fan capable of quickly adding heat dissipation of motor Download PDFInfo
- Publication number
- CN211351964U CN211351964U CN202020218002.9U CN202020218002U CN211351964U CN 211351964 U CN211351964 U CN 211351964U CN 202020218002 U CN202020218002 U CN 202020218002U CN 211351964 U CN211351964 U CN 211351964U
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- motor
- impeller
- cavity
- shell
- boss
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Abstract
The utility model relates to the technical field of fans, a can add radiating air supply fan of motor fast is disclosed, which comprises a housing, an impeller and a motor, the impeller includes a front impeller base plate, a rear impeller base plate and a plurality of flabellums which are arranged in front and back, an air inlet is formed on the front impeller base plate, a boss which is convex forward is formed in the middle of the rear impeller base plate, a supporting cavity with a rear side opening is formed on the boss, the supporting cavity is hinged on the outer wall of a motor support, the motor support is fixed on the rear side wall of the housing, a motor cavity with a rear side opening is formed on the motor support, the motor is fixed in the motor cavity, and a motor shaft of the motor is fixedly; a plurality of first air holes communicated with the supporting cavity are formed in the outer wall of the boss, and a plurality of second air holes communicated with the supporting cavity and the motor cavity are formed in the outer wall of the motor support. The motor is cooled by a part of air through the impeller and the air holes, so that the heat dissipation effect of the motor can be accelerated, the motor is effectively protected, and the service life of the motor is prolonged.
Description
The technical field is as follows:
the utility model relates to a fan technical field, concretely relates to can add radiating air supply fan of motor soon.
Background art:
the air supply fan is a power device for supplying air required by fuel combustion into the boiler. The motor of the existing air supply fan generally depends on the motor to dissipate heat during working, but the environment near a boiler is severe, the heat dissipation effect of the motor is poor, and the service life of the motor is easy to reduce.
The utility model has the following contents:
the utility model aims at overcoming prior art not enough, providing a can add radiating air supply fan of motor soon, it cools off the motor through impeller and wind hole with some air, can accelerate the radiating effect of motor to effectively protect the motor, improve the life of motor.
The utility model provides a technical problem's scheme is:
a fan capable of quickly cooling a motor comprises a shell, an impeller and a motor, wherein the impeller is arranged in the shell and comprises a front impeller base plate and a rear impeller base plate which are arranged in front and back, an air inlet is formed in the front impeller base plate, a plurality of blades which are uniformly distributed on the circumference are fixed between the front impeller base plate and the rear impeller base plate, a boss protruding forwards is formed in the middle of the rear impeller base plate, a supporting cavity with a rear side opening is formed in the boss and hinged to the outer wall of a motor support, the motor support is fixed on the rear side wall of the shell, a motor cavity with a rear side opening is formed in the motor support, the motor is fixed in the motor cavity, and a motor shaft of the motor penetrates through the extending end of the front side wall of the motor cavity to be fixedly connected with the boss;
a plurality of first air holes communicated with the supporting cavity are formed in the outer wall of the boss, and a plurality of second air holes communicated with the supporting cavity and the motor cavity are formed in the outer wall of the motor support.
The shell comprises an upper shell, a lower shell and an air outlet pipe, the air outlet pipe is fixed on the upper shell, and the upper shell and the lower shell are fixedly connected through a plurality of screws; the upper shell is formed with an upper semicircular inner cavity, the lower shell is formed with a lower semicircular inner cavity, and the impeller is arranged between the upper semicircular inner cavity and the lower semicircular inner cavity.
The front end of the upper shell is formed with an upper big semicircular hole, and the rear end of the upper shell is formed with an upper small semicircular hole; a lower big semicircular hole is formed at the front end of the lower shell, and a lower small semicircular hole is formed at the rear end of the lower shell;
the motor support is clamped between the upper small semicircular hole and the lower small semicircular hole.
The rear end of the motor support is formed with an outward flange which is fixed on the upper shell and the lower shell through a plurality of screws.
The supporting cavity is hinged on the outer wall of the motor support through two bearings arranged in front and at back; a bearing support sleeve is clamped between the two bearings; and a plurality of third air holes are formed in the bearing support sleeve.
And the front end of the boss is formed with a wind guide cone.
The utility model discloses an outstanding effect is:
compared with the prior art, the motor cooling device cools the motor through the impeller and the air holes, and can accelerate the heat dissipation effect of the motor, thereby effectively protecting the motor and prolonging the service life of the motor.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1 taken about A-A;
fig. 3 is a partial enlarged view of fig. 2 at B.
The specific implementation mode is as follows:
embodiment, as shown in fig. 1 to 3, a blower fan capable of dissipating heat by a fast motor includes a housing 1, an impeller 2 and a motor 3, the impeller 2 is disposed in the housing 1, the impeller 2 comprises a front impeller base plate 21 and a rear impeller base plate 22 which are arranged in a front-back manner, an air inlet 211 is formed on the front impeller base plate 21, a plurality of fan blades 23 which are uniformly distributed on the circumference are fixed between the front impeller base plate 21 and the rear impeller base plate 22, a boss 24 which protrudes forwards is formed in the middle of the rear impeller base plate 21, a supporting cavity 241 with a rear opening is formed on the boss 24, the supporting cavity 241 is hinged on the outer wall of the motor support 4, the motor support 4 is fixed on the rear side wall of the shell 1, a motor cavity 41 with a rear opening is formed in the motor support 4, the motor 3 is fixed in the motor cavity 41, and a motor shaft of the motor 3 penetrates through the extending end of the front side wall of the motor cavity 41 and is fixedly connected with the boss 24;
a plurality of first air holes 242 communicated with the supporting cavity 241 are formed in the outer wall of the boss 24, and a plurality of second air holes 42 communicated with the supporting cavity 241 and the motor cavity 41 are formed in the outer wall of the motor support 4.
Furthermore, the housing 1 includes an upper housing 11, a lower housing 12 and an air outlet pipe 13, the air outlet pipe 13 is fixed on the upper housing 11, and the upper housing 11 and the lower housing 12 are fixedly connected by a plurality of screws 14; the upper shell 11 is formed with an upper semicircular inner cavity 111, the lower shell 12 is formed with a lower semicircular inner cavity 121, and the impeller 2 is arranged between the upper semicircular inner cavity 111 and the lower semicircular inner cavity 121.
Furthermore, an upper semicircular hole 112 is formed at the front end of the upper shell 11, and an upper small semicircular hole 113 is formed at the rear end of the upper shell 11; a lower big semicircular hole 122 is formed at the front end of the lower shell 12, and a lower small semicircular hole 123 is formed at the rear end of the lower shell 12;
the motor support 4 is clamped between the upper small semicircular hole 113 and the lower small semicircular hole 123.
Further, the motor support 4 is formed with a flange 43 at a rear end thereof, and the flange 43 is fixed to the upper and lower cases 11 and 12 by a plurality of screws 44.
Furthermore, the support cavity 241 is hinged to the outer wall of the motor support 4 through two bearings 51 arranged in front and back; a bearing support sleeve 52 is clamped between the two bearings 51; a plurality of third air holes 521 are formed on the bearing support sleeve 52.
More specifically, the front end of the boss 24 is formed with an air guiding cone 243.
The working principle is as follows: the motor 3 drives the boss 24 to rotate, the boss 24 drives the rear impeller base plate 22 to rotate, the rear impeller base plate 22 drives the plurality of fan blades 23 to rotate, the fan blades 23 suck outside air into the impeller 2 from the air inlet 211, and the air flows out of the air outlet pipe 13 under the action of centrifugal force; and when the impeller 2 works, a part of air sequentially flows through the first air hole 242, the third air hole 521 and the second air hole 42 to enter the motor cavity 41, so that the motor is cooled, the heat dissipation and cooling effects of the motor are accelerated, and the motor is effectively protected.
Finally, the above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (6)
1. The utility model provides a can add radiating air supply fan of motor soon, includes casing (1), impeller (2) and motor (3), and impeller (2) set up in casing (1), its characterized in that: the impeller (2) comprises a front impeller substrate (21) and a rear impeller substrate (22) which are arranged in a front-back mode, an air inlet (211) is formed in the front impeller substrate (21), a plurality of fan blades (23) which are uniformly distributed on the circumference are fixed between the front impeller substrate (21) and the rear impeller substrate (22), a boss (24) protruding forwards is formed in the middle of the rear impeller substrate (22), a supporting cavity (241) with a rear-side opening is formed in the boss (24), the supporting cavity (241) is hinged to the outer wall of a motor support (4), the motor support (4) is fixed to the rear side wall of the shell (1), a motor cavity (41) with a rear-side opening is formed in the motor support (4), the motor (3) is fixed in the motor cavity (41), and the extending end of the motor shaft (3) penetrating through the front side wall of the motor cavity (41) is fixedly connected with the boss (24);
a plurality of first air holes (242) communicated with the supporting cavity (241) are formed in the outer wall of the boss (24), and a plurality of second air holes (42) communicated with the supporting cavity (241) and the motor cavity (41) are formed in the outer wall of the motor support (4).
2. A blower fan capable of dissipating heat from a fast-powered motor as claimed in claim 1, wherein: the shell (1) comprises an upper shell (11), a lower shell (12) and an air outlet pipe (13), the air outlet pipe (13) is fixed on the upper shell (11), and the upper shell (11) and the lower shell (12) are fixedly connected through a plurality of screws (14); go up casing (11) shaping and have last semicircle inner chamber (111), lower casing (12) internal shaping has lower semicircle inner chamber (121), and impeller (2) set up between last semicircle inner chamber (111) and lower semicircle inner chamber (121).
3. A blower fan capable of dissipating heat from a fast-powered motor as claimed in claim 2, wherein: an upper large semicircular hole (112) is formed at the front end of the upper shell (11), and an upper small semicircular hole (113) is formed at the rear end of the upper shell (11); a lower big semicircular hole (122) is formed at the front end of the lower shell (12), and a lower small semicircular hole (123) is formed at the rear end of the lower shell (12);
the motor support (4) is clamped between the upper small semicircular hole (113) and the lower small semicircular hole (123).
4. A blower fan with a fast-powered motor for heat dissipation as defined in claim 3, further comprising: the rear end of the motor support (4) is formed with an outward flange (43), and the outward flange (43) is fixed on the upper shell (11) and the lower shell (12) through a plurality of screws (44).
5. A blower fan capable of dissipating heat from a fast-powered motor as claimed in claim 1, wherein: the supporting cavity (241) is hinged on the outer wall of the motor support (4) through two bearings (51) arranged in front and back; a bearing support sleeve (52) is clamped between the two bearings (51); and a plurality of third air holes (521) are formed in the bearing support sleeve (52).
6. A blower fan capable of dissipating heat from a fast-powered motor as claimed in claim 1, wherein: the front end of the boss (24) is formed with an air guide cone (243).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020218002.9U CN211351964U (en) | 2020-02-27 | 2020-02-27 | Air supply fan capable of quickly adding heat dissipation of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020218002.9U CN211351964U (en) | 2020-02-27 | 2020-02-27 | Air supply fan capable of quickly adding heat dissipation of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211351964U true CN211351964U (en) | 2020-08-25 |
Family
ID=72102819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020218002.9U Expired - Fee Related CN211351964U (en) | 2020-02-27 | 2020-02-27 | Air supply fan capable of quickly adding heat dissipation of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211351964U (en) |
-
2020
- 2020-02-27 CN CN202020218002.9U patent/CN211351964U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |