CN218678644U

CN218678644U - Dust-proof motor

Info

Publication number: CN218678644U
Application number: CN202223110340.9U
Authority: CN
Inventors: 肖玉林; 王靖; 江新; 江天豪; 应其成; 徐盛泽; 高军正; 陈仙鹏; 陈炳钧
Original assignee: Zhejiang Danau Industries Co ltd
Current assignee: Zhejiang Danau Industries Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-21
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a dustproof motor, which comprises an outer shell and a motor body positioned in the outer shell, wherein an inner shell and a baffle fixedly arranged on one side of the inner shell are arranged in the outer shell, an inner cavity is arranged in the inner shell, the baffle divides the interior of the outer shell into a cavity and a dustproof cavity which are positioned between the outer shell and the inner shell, the motor body is positioned in the inner cavity, a cooling device is arranged in the cavity, the motor body comprises a motor output end, and the motor output end is rotationally connected with the baffle; the motor body is placed in the inner cavity, the output end of the motor penetrates through the partition plate, the motor body can be wrapped in the inner shell, the inner shell can be integrally formed, the outer end and the inner end of the output end of the motor are separated through the partition plate, the inner shell is fixedly connected with the partition plate, compared with the motor body, the connecting gaps of the inner shell and the partition plate are fewer, and the sealing effect can be correspondingly improved; the baffle can reduce the dust along the direct probability that gets into the motor of motor output, improves the dustproof effect of motor greatly.

Description

Dust-proof motor

Technical Field

The utility model relates to the technical field of electric machines, specifically be a dust-protection type motor.

Background

Spare parts such as motor, generator are infected with the dust easily in long-term use, if the shell leakproofness is relatively poor, the dust gets into on inside rotor and the stator easily for stator and rotor damage have reduced the life of motor. Adopt the dust cover at present for prevent that the dust from getting into and damaging the motor, but the dust cover leads to the thermal diffusivity efficiency of motor not high easily, may burn out the motor.

Among the prior art, the patent of application number CN202120949979.2 can solve radiating problem, but its output exposes in the outside of dust cover, and the dust cover can only be used for preventing that the dust from getting into with the one end of keeping away from the output from the lateral wall of motor, can not prevent that the dust from getting into from the gap of output, in getting into the motor along the gap between output shaft and the motor casing, leads to inside rotor of motor and stator to receive dust pollution. Although this scheme has played dustproof effect, dustproof effect is not good.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one technical problem mentioned in the background art, the utility model aims to provide a dustproof type motor improves dustproof effect.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a dust-protection type motor, includes the shell and is located the motor body of shell, be equipped with the inner shell in the shell and set firmly the baffle in inner shell one side, be equipped with the inner chamber in the inner shell, the baffle falls into the inside of shell and is located cavity and dustproof chamber between shell and the inner shell, motor body is located the inner chamber, be equipped with cooling device in the cavity, motor body includes the motor output, the motor output rotates with the baffle to be connected.

Compared with the prior art, the beneficial effects of the utility model are that:

the inner part of the outer shell of the utility model is divided into three cavities by the clapboard and the inner shell, namely an inner cavity positioned in the inner shell, a cavity positioned between the inner shell and the outer shell and a dustproof cavity separated by the clapboard; the motor body is placed in the inner cavity, the output end of the motor penetrates through the partition plate, the motor body can be wrapped in the inner shell, the inner shell can be integrally formed, the outer end and the inner end of the output end of the motor are separated through the partition plate, the inner shell is fixedly connected with the partition plate, compared with the motor body, the connecting gaps of the inner shell and the partition plate are fewer, and the sealing effect can be correspondingly improved; the baffle can reduce the dust along the direct probability that gets into the motor of motor output, improves the dustproof effect of motor greatly.

Preferably, an output shaft is arranged on one side, away from the motor body, of the dust-proof cavity, a transmission mechanism is arranged between the output shaft and the output end of the motor, the output end of the motor is fixedly connected with the input end of the transmission mechanism, and the output shaft is fixedly connected with the output end of the transmission mechanism.

Preferably, the transmission mechanism comprises a transmission shaft, the output end of the motor is in meshing transmission with the transmission shaft through a first gear pair, and the output shaft is in meshing transmission with the transmission shaft through a second gear pair.

Preferably, the dustproof cavity comprises a first cavity and a second cavity, the first gear pair transmission is located in the first cavity, the second gear pair transmission is located in the second cavity, and the transmission shaft penetrates through the first cavity and the second cavity.

Preferably, the inner wall of the cavity is fixedly provided with a plurality of supporting plates for supporting the inner shell, and the supporting plates are fixedly connected with the outer wall of the inner shell.

Preferably, the cooling device comprises a fan fixedly arranged in the cavity, the top of the outer shell is respectively provided with an air inlet and an air outlet, a baffle is arranged between the air inlet and the air outlet, the baffle is fixedly arranged at the top of the cavity, and the bottom of the baffle is abutted to the top of the inner shell.

Preferably, the cooling device further includes a cooling pipe fixedly installed on an outer wall of the inner casing.

Preferably, the cooling pipe is located at the top of the inner casing and at the lower side of the air inlet.

Preferably, the bottom of the shell is provided with a fixing plate, and the fixing plate is provided with a plurality of through holes.

Preferably, the bottom wall of inner chamber sets firmly the fixed block, motor body sets firmly on the fixed block.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side cross-sectional view of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken at A-A "of FIG. 2;

FIG. 4 is a partial cross-sectional view taken at B-B "of FIG. 3;

fig. 5 is a partial cross-sectional view of the present invention;

in the figure:

1. a housing; 10. a cavity; 11. a fixing plate; 111. a through hole; 12. an air inlet; 13. an air outlet; 14. a support plate; 15. a dust-proof cavity; 151. a first chamber; 152. a second chamber; 16. a partition plate; 17. a baffle plate; 2. an inner shell; 20. an inner cavity; 21. a fixed block; 3. a motor body; 31. an output end; 32. a drive shaft; 33. an output shaft; 4. a cooling device; 41. a fan; 42. and (7) cooling the tube.

Detailed Description

The technical solutions in the embodiments of the present invention are described below clearly and completely, 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the embodiment provides a dust-proof motor, which includes an outer shell 1 and a motor body 3 located in the outer shell 1, wherein an inner shell 2 is disposed in the outer shell 1, a cavity 10 is disposed between the outer shell 1 and the inner shell 2, an inner cavity 20 is disposed in the inner shell 2, the motor body 3 is located in the inner cavity 20, the motor body 3 includes a motor output end 31, one side of the outer shell 1 located at the motor output end 31 is separated by a partition plate 16 to form a dust-proof cavity 15, the motor output end 31 is perpendicular to a plane where the partition plate 16 is located (a shaft hole for passing through the motor output end 31 is formed in the center of the partition plate 16, and the motor output end 31 is rotatably connected to the shaft hole on the partition plate 16); put motor body 3 in inner shell 2, baffle 16 sets firmly motor output 31 on inner shell 2 and passes baffle 16, can wrap up motor body 3 in inner shell 2 completely, and inner shell 2 is through an organic whole formation, and for motor body 3, its connecting gap still less, sealed effect also can be corresponding improvement, and still be equipped with cavity 10 and dustproof chamber 15 between inner shell 2 and the shell 1, can reduce the probability that the dust got into, improves the dustproof effect of motor greatly.

Referring to fig. 1 and 5, in order to prevent dust from entering from the motor output end 31, in this embodiment, an output shaft 33 is disposed on a side of the dust-proof cavity 15 away from the motor body 3, and a transmission mechanism is disposed between the output shaft 33 and the motor output end 31.

The dustproof cavity 15 comprises a first cavity 151 and a second cavity 152, the transmission mechanism comprises a transmission shaft 32, and the transmission shaft 32 penetrates through the first cavity 151 and the second cavity 152;

a plate is arranged between the first cavity 151 and the second cavity 152, and is used for positioning the transmission shaft, increasing the cavity and improving the dustproof effect, and for eccentrically arranging the shaft hole on the shell 1 and the shaft hole on the plate and improving the dustproof effect;

the motor output end 31 and the transmission shaft 32 are in transmission through a first gear pair, the first gear pair is located in the first cavity 151 in transmission, a driving gear of the first gear pair is fixedly connected with the motor output end 31, and a driven gear of the first gear pair is fixedly connected with the transmission shaft 32; the output shaft 33 and the transmission shaft 32 are in transmission through a second gear pair, the second gear pair is located in the second cavity 152 in transmission, a driving gear of the second gear pair is fixedly connected with the transmission shaft 32, and a driven gear of the first gear pair is fixedly connected with the output shaft 33; the transmission shaft 32 and the motor output end 31 are not the same shaft, and can be seen from fig. 2 and 5, the transmission shaft and the motor output end 31 are separated from each other, so that dust can enter only from the output shaft 33, the dust can be prevented from directly entering the motor body 3 through gaps around the motor output end 31, and the dustproof effect is improved.

Referring to fig. 2 and 3, in the present embodiment, in order to fix the inner shell 2, two supporting plates 14 are fixedly disposed on an inner wall of the cavity 10, the two supporting plates 14 are respectively located at front and rear ends of the inner shell 2, and the supporting plates 14 are fixedly connected to an outer wall of the inner shell 2 to fix the outer shell 1 and the inner shell 2.

Referring to fig. 2 and 3, in the embodiment, the top of the outer shell 1 is respectively provided with an air inlet 12 and an air outlet 13, a baffle 17 is arranged between the air inlet 12 and the air outlet 13, the baffle 17 is fixedly arranged at the top of the cavity 10, and the bottom of the baffle 17 is abutted against the top of the inner shell 2; the cross section of the baffle 17 is in a shape of a Chinese character ji, as shown in fig. 3, the baffle 17 is an elastic member, the bottom of the baffle 17 is abutted with the inner shell 2 to form a cavity, and the cavity can play a certain role in heat insulation and prevent the mutual channeling of gas at two sides; the cavity 10 is provided with a cooling device 4, the cooling device 4 includes a fan 41 fixedly disposed in the cavity 10, the fan 41 is disposed at the bottom of the inner casing 2, in order to accelerate the air circulation, a plurality of fans 41 may be disposed, and it should be noted that the blowing directions of the fans 41 are all the same, so that the air enters from the air inlet 12, passes through the fans 41, and is then discharged from the air outlet 13, thereby forming a ventilation cycle.

Referring to fig. 3 and 4, in order to improve the cooling effect, in the present embodiment, the cooling device 4 further includes a cooling pipe 42 fixedly disposed on the outer wall of the inner casing 2, the cooling pipe 42 is disposed at the top of the inner casing 2 and is disposed at the lower side of the air inlet 12, the shape of the cooling pipe 42 is as shown in fig. 4, two end portions of the cooling pipe 42 extend to the outer side of the outer casing 1 for introducing cold water, and the cold water enters from one end of the cooling pipe 42 and exits from the other end; after the air enters from the air inlet 12 and is cooled by the cooling pipe 42 by the fan 41, the cooled air circulates around the inner casing 2 and is discharged to the outside from the air outlet 13.

Referring to fig. 1, in the present embodiment, a fixing plate 11 is disposed at the bottom of the housing 1, a plurality of through holes 111 are disposed on the fixing plate 11, and the housing 1 is fixed by bolts passing through the through holes 111.

Referring to fig. 3, since the sizes of the motor bodies 3 are different from each other, for some motors with small sizes, the bottom wall of the inner cavity 20 is fixedly provided with the fixing block 21, the height of the fixing block 21 is set according to the size of the motor, so that the output end 31 of the motor can penetrate through the shaft hole in the center of the partition plate 16, and the motor bodies 3 are fixedly arranged on the fixing block 21 through bolts.

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.

Claims

1. The utility model provides a dust-protection type motor, includes shell (1) and is located motor body (3) of shell (1), its characterized in that, be equipped with inner shell (2) in shell (1) and set firmly baffle (16) in inner shell (2) one side, be equipped with inner chamber (20) in inner shell (2), baffle (16) divide into cavity (10) and dustproof chamber (15) that are located between shell (1) and inner shell (2) with the inside of shell (1), motor body (3) are located inner chamber (20), be equipped with cooling device (4) in cavity (10), motor body (3) include motor output (31), motor output (31) are rotated with baffle (16) and are connected.

2. The dustproof motor according to claim 1, wherein an output shaft (33) is arranged on one side of the dustproof cavity (15) far away from the motor body (3), a transmission mechanism is arranged between the output shaft (33) and the motor output end (31), the motor output end (31) is fixedly connected with an input end of the transmission mechanism, and the output shaft (33) is fixedly connected with an output end of the transmission mechanism.

3. The dustproof motor according to claim 2, wherein the transmission mechanism comprises a transmission shaft (32), the motor output end (31) is in meshing transmission with the transmission shaft (32) through a first gear pair, and the output shaft (33) is in meshing transmission with the transmission shaft (32) through a second gear pair.

4. A dust protected electric motor according to claim 3, wherein said dust protected chamber (15) comprises a first chamber (151) and a second chamber (152), said first gear pair transmission being located in said first chamber (151) and said second gear pair transmission being located in said second chamber (152), said transmission shaft (32) extending through said first chamber (151) and said second chamber (152).

5. A dust protected electric motor according to claim 1, wherein a plurality of support plates (14) are fixedly arranged on the inner wall of said cavity (10) for supporting said inner casing (2), said support plates (14) being fixedly connected to the outer wall of said inner casing (2).

6. The dustproof motor according to claim 1, wherein the cooling device (4) comprises a fan (41) fixedly arranged in the cavity (10), the top of the outer shell (1) is respectively provided with an air inlet (12) and an air outlet (13), a baffle (17) is arranged between the air inlet (12) and the air outlet (13), the baffle (17) is fixedly arranged at the top of the cavity (10), and the bottom of the baffle (17) is abutted to the top of the inner shell (2).

7. A dust-protected electric machine according to claim 6, characterised in that the cooling device (4) further comprises a cooling tube (42) secured to the outer wall of the inner casing (2).

8. A dust-protected electric machine according to claim 7, characterised in that the cooling duct (42) is located at the top of the inner casing (2) and at the underside of the air inlet (12).

9. The dustproof motor according to claim 1, wherein a fixing plate (11) is arranged at the bottom of the housing (1), and a plurality of through holes (111) are arranged on the fixing plate (11).

10. The dustproof motor according to claim 1, wherein a fixed block (21) is fixedly arranged on the bottom wall of the inner cavity (20), and the motor body (3) is fixedly arranged on the fixed block (21).