CN216414050U - Closed motor with inside and outside forced air cooling structure - Google Patents
Closed motor with inside and outside forced air cooling structure Download PDFInfo
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- CN216414050U CN216414050U CN202122474741.1U CN202122474741U CN216414050U CN 216414050 U CN216414050 U CN 216414050U CN 202122474741 U CN202122474741 U CN 202122474741U CN 216414050 U CN216414050 U CN 216414050U
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Abstract
The utility model discloses a closed motor with an internal and external air cooling structure, which comprises a motor body; the motor body is provided with a rotor shaft penetrating through the motor body, a cylindrical outer cover is sleeved on the outer side of the motor body, and the output end of the rotor shaft extends to the outer side of the outer cover; the motor body outer wall fixedly connected with is the radiating fin that the circumference distributes, radiating fin outer end and dustcoat inner wall butt, the dustcoat left part install with rotor shaft fixed connection's air inlet fan impeller, the air intake has been seted up to the dustcoat left end, the air outlet has been seted up to the dustcoat right-hand member. According to the utility model, the outer cover is sleeved outside the motor body, and the strip-shaped channels distributed circumferentially are formed between the radiating fins arranged on the outer wall of the motor body and the inner wall of the outer cover, so that airflow generated by the impeller of the air inlet fan uniformly passes through the radiating fins on the outer wall of the motor body, the radiating uniformity and speed are improved, meanwhile, components in the motor are prevented from contacting with air, and corrosion is avoided.
Description
Technical Field
The utility model relates to the field of motors, in particular to a closed motor with an internal and external air cooling structure.
Background
The traditional air-cooled motor forces airflow to pass through the inner cavity of the motor through fan blades fixed with a rotor, and moisture and impurities contained in the air easily corrode components inside the motor, including but not limited to coils, stators, windings and the like.
The application provides a closed motor with inside and outside forced air cooling structure.
SUMMERY OF THE UTILITY MODEL
Based on the above mentioned shortcomings in the prior art, the present invention provides a closed motor with an internal and external air cooling structure.
The utility model overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:
a closed motor with an internal and external air cooling structure comprises a motor body; the motor body is provided with a rotor shaft penetrating through the motor body, a cylindrical outer cover is sleeved on the outer side of the motor body, and the output end of the rotor shaft extends to the outer side of the outer cover; the motor body outer wall fixedly connected with is the radiating fin that the circumference distributes, radiating fin outer end and dustcoat inner wall butt, the dustcoat left part install with rotor shaft fixed connection's air inlet fan impeller, the air intake has been seted up to the dustcoat left end, the air outlet has been seted up to the dustcoat right-hand member.
Preferably, the right side of the air inlet fan impeller is sleeved with a guide cylinder installed in the outer cover, the guide cylinder is provided with a hourglass channel, the right end of the guide cylinder is nested with a first centrifugal impeller fixedly connected with the rotor shaft, and the right end of the motor body is provided with a second centrifugal impeller fixedly connected with the rotor shaft.
Preferably, the outer cover comprises a central cylinder for installing and fixing the motor body, the left end of the central cylinder is fixedly connected with an air inlet cylinder in a bolt fixing mode, an air inlet fan impeller is installed in the air inlet cylinder, and the right end of the central cylinder is fixedly connected with an air outlet cylinder in a bolt fixing mode; the central cylinder is provided with a group of mounting rods fixedly connected with the motor body through bolts.
Preferably, the side wall of the air inlet cylinder is provided with an air inlet, a first dust screen is nested in the air inlet, the annular outer wall of the air outlet cylinder is provided with an air outlet, and a second dust screen is nested in the air outlet.
Preferably, the guide cylinder is nested in the air inlet cylinder and is fixedly connected with the inner wall of the air inlet cylinder through a bolt; the second centrifugal impeller is arranged in the air outlet cylinder.
Preferably, the second centrifugal impeller is disposed opposite to the second dust screen.
After adopting the structure, compared with the prior art, the utility model has the following advantages:
according to the utility model, the outer cover is sleeved outside the motor body, and the strip-shaped channels distributed circumferentially are formed between the radiating fins arranged on the outer wall of the motor body and the inner wall of the outer cover, so that airflow generated by the impeller of the air inlet fan uniformly passes through the radiating fins on the outer wall of the motor body, the radiating uniformity and speed are improved, meanwhile, components in the motor are prevented from contacting with air, and corrosion is avoided.
The guide cylinder with the hourglass channel, the first centrifugal impeller and the second centrifugal impeller are arranged to compress and centrifugally diffuse the entering air, so that the air flow speed is further improved, and the heat dissipation effect is improved.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention.
FIG. 2 is a left side view of the heat dissipating fin of the present invention;
FIG. 3 is a perspective view of the draft tube of the present invention;
fig. 4 is a schematic perspective view of the center tube of the present invention.
In the figure: 1. a motor body; 2. a rotor shaft; 3. a housing; 301. a central barrel; 302. an air inlet cylinder; 303. an air outlet cylinder; 4. a heat dissipating fin; 5. an intake fan impeller; 6. a draft tube; 601. an hourglass channel; 7. a first centrifugal impeller; 8. a first dust screen; 9. a second centrifugal impeller; 10. a second dust screen; 11. and (5) installing a rod.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1 to 4, in an embodiment of the present invention, a closed motor with an internal and external air cooling structure includes a motor body 1; the motor body 1 is provided with a rotor shaft 2 penetrating through the motor body 1, a cylindrical outer cover 3 is sleeved outside the motor body 1, and the output end of the rotor shaft 2 extends to the outer side of the outer cover 3; the outer wall of the motor body 1 is fixedly connected with radiating fins 4 distributed circumferentially, the outer ends of the radiating fins 4 are abutted to the inner wall of the outer cover 3, an air inlet fan impeller 5 fixedly connected with the rotor shaft 2 is installed at the left part of the outer cover 3, an air inlet is formed in the left end of the outer cover 3, and an air outlet is formed in the right end of the outer cover 3.
Specifically, at motor body 1 during operation, pivoted rotor shaft 2 drives air inlet fan impeller 5 and rotates, take out outside cold air to in dustcoat 3, motor body 1's outer wall, the strip passageway that is the circumference and distributes has been formed between radiating fin 4 and the 3 inner wall three of dustcoat, the even quick area of heat that enters into in dustcoat 3 passes through the strip passageway and leaves motor body 1 surface with radiating fin 4 on, the efficiency of improvement air current and the contact of motor body 1, and then improve the radiating effect, keep motor body 1's closed state simultaneously, avoid the moist air current that looses to corrode motor body 1 inside.
In this embodiment, the outer cover 3 includes a central cylinder 301 for mounting and fixing the motor body 1, the left end of the central cylinder 301 is fixedly connected with an air inlet cylinder 302 by means of bolt fastening, the air inlet fan impeller 5 is mounted in the air inlet cylinder 302, and the right end of the central cylinder 301 is fixedly connected with an air outlet cylinder 303 by means of bolt fastening; the central cylinder 301 is provided with a group of mounting rods 11 fixedly connected with the motor body 1 through bolts.
Specifically, the outer cover 3 is convenient to disassemble and assemble and the internal parts are convenient to maintain and replace.
In this embodiment, an air inlet is formed in the side wall of the air inlet cylinder 302, a first dust screen 8 is nested in the air inlet, an air outlet is formed in the annular outer wall of the air outlet cylinder 303, and a second dust screen 10 is nested in the air outlet.
Specifically, reduce the dust and enter into dustcoat 3 in, have better guard action, reduce the erosion of impurity to the shell of motor body 1.
In another embodiment of the utility model, in order to further increase the flow velocity of the air flow, the heat dissipation effect is improved; the right side of the air inlet fan impeller 5 is sleeved with a guide shell 6 installed in the outer cover 3, the guide shell 6 is provided with a sandglass channel 601, a first centrifugal impeller 7 fixedly connected with the rotor shaft 2 is installed at the right end of the guide shell 6 in a nested mode, and a second centrifugal impeller 9 fixedly connected with the rotor shaft 2 is installed at the right end of the motor body 1.
Specifically, the air current enters into dustcoat 3 under the effect of air inlet fan impeller 5 in, under the effect of hourglass passageway 601 of draft tube 6, the air current is compressed, then diffusion in the quick bar passageway under the effect of first centrifugal impeller 7, takes away from motor body 1's heat after the centrifugal discharge dustcoat 3 under the effect of second centrifugal impeller 9, has accelerated the flow efficiency of air current, improves air-cooled effect.
In this embodiment, the guide cylinder 6 is nested in the air inlet cylinder 302 and is fixedly connected with the inner wall of the air inlet cylinder 302 through a bolt; the second centrifugal impeller 9 is installed in the air outlet cylinder 303.
In this embodiment, the second centrifugal impeller 9 is disposed to face the second dust screen 10.
Specifically, the speed of the air flow discharged outside is improved.
The working principle is as follows:
when the motor body 1 works, the rotating rotor shaft 2 drives the air inlet fan impeller 5 to rotate, external cold air is pumped into the outer cover 3, strip-shaped channels which are distributed circumferentially are formed among the outer wall of the motor body 1, the radiating fins 4 and the inner wall of the outer cover 3, and the air entering the outer cover 3 uniformly and quickly takes heat on the radiating fins 4 away from the surface of the motor body 1 through the strip-shaped channels, so that the contact efficiency of air flow and the motor body 1 is improved, the radiating effect is further improved, the closed state of the motor body 1 is kept, and the phenomenon that the interior of the motor body 1 is corroded by the damp air flow is avoided; the air current enters into dustcoat 3 under the effect of air inlet fan impeller 5 in, under the hourglass passageway 601 effect of draft tube 6, the air current is compressed, then quick diffusion to the bar passageway in under the effect of first centrifugal impeller 7, takes away from motor body 1's heat after the centrifugal discharge dustcoat 3 under the effect of second centrifugal impeller 9, has accelerated the flow efficiency of air current, improves air-cooled effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A closed motor with an internal and external air cooling structure comprises a motor body (1); the motor is characterized in that the motor body (1) is provided with a rotor shaft (2) penetrating through the motor body (1), a cylindrical outer cover (3) is sleeved outside the motor body (1), and the output end of the rotor shaft (2) extends to the outside of the outer cover (3); motor body (1) outer wall fixedly connected with is radiating fin (4) that the circumference distributes, radiating fin (4) outer end and dustcoat (3) inner wall butt, dustcoat (3) left part install with rotor shaft (2) fixed connection's air inlet fan impeller (5), and the air intake has been seted up to dustcoat (3) left end, and the air outlet has been seted up to dustcoat (3) right-hand member.
2. The enclosed motor with the internal and external air cooling structure as claimed in claim 1, wherein the right side of the air intake fan impeller (5) is sleeved with a guide cylinder (6) installed in the housing (3), the guide cylinder (6) is provided with an hourglass channel (601), the right end of the guide cylinder (6) is nested with a first centrifugal impeller (7) fixedly connected with the rotor shaft (2), and the right end of the motor body (1) is provided with a second centrifugal impeller (9) fixedly connected with the rotor shaft (2).
3. The enclosed motor with the inside and outside air cooling structure as claimed in claim 2, wherein said housing (3) comprises a central cylinder (301) for installing and fixing the motor body (1), the left end of the central cylinder (301) is fixedly connected with an air inlet cylinder (302) by means of bolt fastening, the air inlet fan impeller (5) is installed in the air inlet cylinder (302), and the right end of the central cylinder (301) is fixedly connected with an air outlet cylinder (303) by means of bolt fastening; the central cylinder (301) is provided with a group of mounting rods (11) fixedly connected with the motor body (1) through bolts.
4. The enclosed motor with the inside and outside air cooling structure as claimed in claim 3, wherein the side wall of the air inlet cylinder (302) is provided with an air inlet, a first dust screen (8) is nested in the air inlet, the annular outer wall of the air outlet cylinder (303) is provided with an air outlet, and a second dust screen (10) is nested in the air outlet.
5. The enclosed motor with the internal and external air cooling structure as claimed in claim 3, wherein said guide shell (6) is nested in the air inlet cylinder (302) and is fixedly connected with the inner wall of the air inlet cylinder (302) through bolts; the second centrifugal impeller (9) is arranged in the air outlet cylinder (303).
6. A closed-type electric motor with an internal and external air-cooling structure as defined in claim 3, wherein said second centrifugal impeller (9) is disposed opposite to said second dust screen (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122474741.1U CN216414050U (en) | 2021-10-14 | 2021-10-14 | Closed motor with inside and outside forced air cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122474741.1U CN216414050U (en) | 2021-10-14 | 2021-10-14 | Closed motor with inside and outside forced air cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216414050U true CN216414050U (en) | 2022-04-29 |
Family
ID=81294843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122474741.1U Active CN216414050U (en) | 2021-10-14 | 2021-10-14 | Closed motor with inside and outside forced air cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216414050U (en) |
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2021
- 2021-10-14 CN CN202122474741.1U patent/CN216414050U/en active Active
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