CN209963913U - Brushless motor of vacuum pump of automobile brake system - Google Patents
Brushless motor of vacuum pump of automobile brake system Download PDFInfo
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- CN209963913U CN209963913U CN201921298347.3U CN201921298347U CN209963913U CN 209963913 U CN209963913 U CN 209963913U CN 201921298347 U CN201921298347 U CN 201921298347U CN 209963913 U CN209963913 U CN 209963913U
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Abstract
The utility model discloses an automobile brake system vacuum pump brushless motor, concretely relates to brushless motor equipment field, which comprises a housing, lid and protecgulum behind the both ends difference fixedly connected with of casing, the middle part of back lid and protecgulum all is equipped with bearing assembly, bearing assembly's middle part is equipped with the pivot, the fixed surface that protecgulum one end was kept away from in the pivot is connected with the flabellum. The utility model discloses a pivot and round bar cooperation speed reducer for the output shaft of speed reducer drives the brush and scrubs on the surface of filter screen, prevent that the filter screen from being plugged up by the filth, after this brushless motor uses for a long time, through rotating spacing lid, make spacing lid pass through the strengthening rib and drive the fillet of screw and rotate, and make filter assembly and fan housing separation, through the dust of clearance fan housing inner wall, it causes the intake little to prevent that the filth from plugging up the filter screen and the fan housing, reduce the problem of radiating effect, thereby reach the good purpose of radiating effect.
Description
Technical Field
The utility model relates to a brushless motor equipment field, more specifically say, the utility model relates to an automobile brake system vacuum pump brushless motor.
Background
For a traditional automobile, in order to meet the emission requirement of an engine, the vacuum degree in an auxiliary booster of a braking system cannot be guaranteed; for hybrid vehicles and pure electric vehicles, no vacuum source is provided, the above conditions need to be compensated through an electronic vacuum pump, and some vacuum pumps adopt brushless motors at present.
The brushless motor is a motor commonly used in the market at present, and compared with a brush motor, the brushless motor has the advantages of low noise, no maintenance, low power consumption, long service life and the like, and is widely used.
However, when the brushless motor is used in practice, the brushless motor usually faces the problem of heating in the using process, especially, a controller and a stator in the brushless motor can generate a large amount of heat, if the heat cannot be dissipated, the internal temperature of the brushless motor can be increased, and the normal operation of the brushless motor is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides an automobile brake system vacuum pump brushless motor, through pivot and round bar cooperation speed reducer, make the output shaft of speed reducer drive the brush and scrub on the surface of filter screen, prevent that the filter screen from being plugged up by the filth, after this brushless motor uses for a long time, through rotating spacing lid, make spacing lid pass through the strengthening rib and drive the fillet of screw and rotate, and make filter assembly and fan housing separation, through the dust of clearance fan housing inner wall, it is little to prevent that the filth from plugging up the filter screen and the fan housing causes the intake, reduce the problem of radiating effect, thereby reach the good purpose of radiating effect, in order to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a brushless motor for a vacuum pump of an automobile brake system comprises a casing, wherein a rear cover and a front cover are fixedly connected to two ends of the casing respectively, bearing assemblies are arranged in the middles of the rear cover and the front cover respectively, a rotating shaft is arranged in the middle of each bearing assembly, a fan blade is fixedly connected to the surface of the rotating shaft, which is far away from one end of the front cover, a fan housing is fixedly connected to one end of the rear cover, which is far away from the front cover, a speed reducer is arranged at one end of the rotating shaft, which is far away from the front cover, a filter housing is fixedly connected to the surface of the speed reducer, the filter housing is fixedly connected to the;
the filter assembly comprises a limiting cover, the inner wall of the limiting cover is connected with the surface of the output shaft of the speed reducer in a rotating mode, the surface of the limiting cover is fixedly connected with reinforcing ribs and a filter screen respectively, the reinforcing ribs are fixedly connected to the middle of the filter screen, the reinforcing ribs and the filter screen are away from the equal fixedly connected with threaded ring at one end of the limiting cover, one end of the corresponding air filter cover of the air cover is of an opening structure, a threaded groove is formed in the inner wall of the air cover opening structure, the inner wall of the threaded groove is connected with the surface of the threaded ring in a threaded mode, a brush is fixedly connected to the surface of the output shaft of the speed.
In a preferred embodiment, the speed reducer is fixedly connected to the inner wall of the fan housing through a connecting rod, and one end of the rotating shaft, which is far away from the front cover, is fixedly connected with the inside of the speed reducer through a round rod.
In a preferred embodiment, the filter aperture of the filter screen is larger than that of the filter hood, the inner wall of the casing is fixedly connected with a stator, the upper side of the periphery of the stator is wound with a coil, the middle part of the surface of the rotating shaft is fixedly connected with a rotor, and the rotor is rotatably connected to the inner wall of the stator.
In a preferred embodiment, the bearing assembly includes an outer ring, the inner wall of the outer ring is rotatably connected with balls, the surfaces of the balls are respectively rotatably connected with a retainer and an inner ring, the retainer is positioned between the outer ring and the balls, the outer ring is respectively embedded in the rear cover and the front cover, and the inner ring is fixedly connected to the surface of the rotating shaft.
In a preferred embodiment, one end of the inner ring is fixedly connected with a flow guiding fan, and the flow guiding fan is arranged at one end of the inner ring, which is far away from the fan cover.
In a preferred embodiment, the inclination angle of the fan blades is equal to the inclination angle of the guide fan.
In a preferred embodiment, the number of the guide fans is six, and the six guide fans are fixedly connected to one end of the inner ring in an annular shape.
In a preferred embodiment, the guide fan has a blade disposed at an end away from the center of the inner ring.
The utility model discloses a technological effect and advantage:
1. the rotating shaft and the round rod are matched with the speed reducer, so that the output shaft of the speed reducer drives the brush to scrub the surface of the filter screen, the filter screen is prevented from being blocked by dirt, after the brushless motor is used for a long time, the limiting cover is rotated to drive the threaded ring to rotate through the reinforcing rib, the filter assembly is separated from the fan housing, and by cleaning dust on the inner wall of the fan housing, the problem that the air intake is small due to the fact that the dirt blocks the filter screen and the fan housing is solved, and the radiating effect is reduced, so that the purpose of good radiating effect is achieved;
2. drive the water conservancy diversion fan through pivot cooperation inner circle and rotate, and the inclination of flabellum equals with the inclination of water conservancy diversion fan, make the flow direction of the wind that the water conservancy diversion fan produced equal with the flow direction that the flabellum produced wind, can play to draw about the wind that the flabellum produced when making the water conservancy diversion fan rotate, make the inside at the casing form good wind channel, it is poor to prevent that the wind that the flabellum produced from the chaotic radiating effect of the inside flow of casing, reach the good mesh of radiating effect, compared with the prior art, can form good wind channel.
Drawings
Fig. 1 is a front sectional view of the overall structure of the present invention.
Fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.
Fig. 3 is a side view of the structure of the filtering assembly of the present invention.
Fig. 4 is a front sectional view of the bearing assembly structure of the present invention.
Fig. 5 is a schematic structural diagram of a bearing assembly according to the present invention.
The reference signs are: 1. a housing; 2. a rear cover; 3. a front cover; 4. a bearing assembly; 41. an outer ring; 42. a ball bearing; 43. a holder; 44. an inner ring; 45. a flow guiding fan; 5. a rotating shaft; 6. a fan blade; 7. a fan housing; 8. a speed reducer; 9. a wind filtering cover; 10. a filter assembly; 11. a limiting cover; 12. reinforcing ribs; 13. a filter screen; 14. a thread ring; 15. a brush; 16. a stator; 17. a coil; 18. and a rotor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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 work belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model provides an automobile brake system vacuum pump brushless motor, including casing 1, the both ends of casing 1 are fixedly connected with back lid 2 and protecgulum 3 respectively, the middle part of back lid 2 and protecgulum 3 all is equipped with bearing assembly 4, the middle part of bearing assembly 4 is equipped with pivot 5, the fixed surface that the one end of protecgulum 3 was kept away from to pivot 5 is connected with flabellum 6, the one end fixedly connected with fan housing 7 of protecgulum 3 was kept away from to back lid 2, the one end that the pivot 5 kept away from protecgulum 3 is equipped with speed reducer 8, the fixed surface of speed reducer 8 is connected with air filter housing 9, and air filter housing 9 is fixedly connected at the inner wall of fan housing 7, the corresponding surface of air filter housing 9 of fan housing 7 is;
the filter assembly 10 comprises a limiting cover 11, the inner wall of the limiting cover 11 is rotatably connected with the surface of an output shaft of the speed reducer 8, the surface of the limiting cover 11 is fixedly connected with a reinforcing rib 12 and a filter screen 13 respectively, the reinforcing rib 12 is fixedly connected with the middle part of the filter screen 13, one ends of the reinforcing rib 12 and the filter screen 13, which are far away from the limiting cover 11, are fixedly connected with a threaded ring 14, one end of the fan cover 7, which corresponds to the fan cover 9, is of an open structure, a threaded groove is formed in the inner wall of the open structure of the fan cover 7, the inner wall of the threaded groove is in threaded connection with the surface of the threaded ring 14, a brush 15 is fixedly connected with the surface of the output shaft of the;
the speed reducer 8 is fixedly connected to the inner wall of the fan cover 7 through a connecting rod, and one end, away from the front cover 3, of the rotating shaft 5 is fixedly connected with the inside of the speed reducer 8 through a round rod;
the filtering aperture of the filtering net 13 is larger than that of the filtering fan cover 9, the inner wall of the casing 1 is fixedly connected with a stator 16, the upper side of the periphery of the stator 16 is wound with a coil 17, the middle part of the surface of the rotating shaft 5 is fixedly connected with a rotor 18, and the rotor 18 is rotatably connected with the inner wall of the stator 16;
the bearing assembly 4 comprises an outer ring 41, the inner wall of the outer ring 41 is rotatably connected with balls 42, the surfaces of the balls 42 are respectively rotatably connected with a retainer 43 and an inner ring 44, the retainer 43 is positioned between the outer ring 41 and the balls 42, the outer ring 41 is respectively embedded in the rear cover 2 and the front cover 3 in a penetrating way, and the inner ring 44 is fixedly connected with the surface of the rotating shaft 5;
the implementation mode is specifically as follows: when the brushless motor is used, the stator 16 is matched with the coil 17 to drive the rotor 18 to rotate, so that the rotor 18 drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the fan blades 6 to rotate, outside air is introduced into the shell 1 through the filtering component 10 and the air filtering cover 9, the brushless motor dissipates heat, the rotating shaft 5 is matched with the speed reducer 8 through the round rod, an output shaft of the speed reducer 8 drives the brush 15 to scrub the surface of the filtering net 13, the filtering net 13 is prevented from being blocked by dirt to cause small air intake, and the heat dissipation effect is reduced, the rotating speed of the brush 15 is smaller than that of the rotating shaft 5, the abrasion between the brush 15 and the filtering net 13 is effectively reduced, the service life of the brush 15 is longer, and after the brushless motor is used for a long time, the limiting cover 11 is rotated to drive the thread ring 14 to rotate through the reinforcing ribs 12, and make filter assembly 10 and fan housing 7 separate, through the dust of clearance fan housing 9 inner wall, prevent that the intake reduces and lead to the poor problem of radiating effect, this embodiment has specifically solved the poor problem of radiating effect that exists among the prior art.
As shown in fig. 1 to 5, the bearing assembly 4 includes an outer ring 41, balls 42 are rotatably connected to an inner wall of the outer ring 41, a retainer 43 and an inner ring 44 are rotatably connected to surfaces of the balls 42, respectively, the retainer 43 is located between the outer ring 41 and the balls 42, the outer ring 41 is respectively inserted into the rear cover 2 and the front cover 3, and the inner ring 44 is fixedly connected to a surface of the rotating shaft 5;
one end of the inner ring 44 is fixedly connected with a flow guiding fan 45, and the flow guiding fan 45 is arranged at one end of the inner ring 44 far away from the fan cover 7;
the inclination angle of the fan blades 6 is equal to that of the flow guide fan 45;
the number of the flow guiding fans 45 is six, and the six flow guiding fans 45 are fixedly connected to one end of the inner ring 44 in an annular shape;
the blades of the guide fan 45 are arranged at one end far away from the circle center of the inner ring 44.
The implementation mode is specifically as follows: when pivot 5 rotates, can make pivot 5 drive inner circle 44 and rotate, and make inner circle 44 drive water conservancy diversion fan 45 and use pivot 5 to rotate as the centre of a circle, and the inclination of flabellum 6 equals with the inclination of water conservancy diversion fan 45, make the flow direction of the wind that water conservancy diversion fan 45 produced equal with the flow direction that flabellum 6 produced wind, and run through the inside of embedding at protecgulum 3 and bearing assembly 4 respectively through bearing assembly 4, make when water conservancy diversion fan 45 rotates, can play to draw about the wind that flabellum 6 produced, make the inside at casing 1 form good wind channel, the wind that prevents flabellum 6 from producing is at the inside chaotic radiating effect of flowing of casing 1 poor, this embodiment has specifically solved the not smooth problem in wind channel that exists among the prior art.
The utility model discloses the theory of operation:
referring to the attached drawings 1-3 of the specification, an output shaft of the speed reducer 8 drives a brush 15 to scrub the surface of a filter screen 13 through matching of a rotating shaft 5 and a round rod with the speed reducer 8, so that the filter screen 13 is prevented from being blocked by dirt, after the brushless motor is used for a long time, the limiting cover 11 is rotated to drive a threaded ring 14 to rotate through a reinforcing rib 12, the filter assembly 10 is separated from the fan housing 7, and the problem that the air intake is small and the heat dissipation effect is reduced due to the fact that the dirt blocks the filter screen 13 and the fan housing 9 is solved through cleaning dust on the inner wall of the fan housing 9, so that the purpose of good heat dissipation effect is achieved;
referring to the attached drawings 1-5 of the specification, the rotating shaft 5 is matched with the inner ring 44 to drive the guide fan 45 to rotate, the inclination angle of the fan blade 6 is equal to that of the guide fan 45, the flow direction of the wind generated by the guide fan 45 is equal to that of the wind generated by the fan blade 6, the wind generated by the fan blade 6 can be pulled left and right when the guide fan 45 rotates, a good air duct is formed inside the casing 1, the chaotic heat dissipation effect of the wind generated by the fan blade 6 in the casing 1 is prevented from being poor, and the purpose of good heat dissipation effect is achieved.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an automobile brake system vacuum pump brushless motor, includes casing (1), its characterized in that: the fan comprises a casing (1), wherein a rear cover (2) and a front cover (3) are fixedly connected to two ends of the casing (1) respectively, a bearing assembly (4) is arranged in the middle of each of the rear cover (2) and the front cover (3), a rotating shaft (5) is arranged in the middle of each of the bearing assemblies (4), a fan blade (6) is fixedly connected to the surface of one end, far away from the front cover (3), of each of the rotating shafts (5), a fan cover (7) is fixedly connected to one end, far away from the front cover (3), of each of the rear covers (2), a speed reducer (8) is arranged at one end, far away from the front cover (3), of each of the rotating shafts (5), a filter fan cover (9) is fixedly connected to the surface of each of the speed reducers (8), each of the filter fan covers (;
the filtering component (10) comprises a limiting cover (11), the inner wall of the limiting cover (11) is rotationally connected with the surface of the output shaft of the speed reducer (8), the surface of the limit cover (11) is respectively fixedly connected with a reinforcing rib (12) and a filter screen (13), the reinforcing rib (12) is fixedly connected with the middle part of the filter screen (13), the reinforcing rib (12) and one end of the filter screen (13) far away from the limit cover (11) are both fixedly connected with a thread ring (14), one end of the fan cover (7) corresponding to the air filtering cover (9) is of an opening structure, and the inner wall of the opening structure of the fan cover (7) is provided with a thread groove, the inner wall of the thread groove is in threaded connection with the surface of the thread ring (14), the surface of the output shaft of the speed reducer (8) is fixedly connected with a brush (15), the surface of the brush (15) is attached to the surface of the filter screen (13).
2. The brushless motor for the vacuum pump of the automobile brake system as claimed in claim 1, wherein: the speed reducer (8) is fixedly connected to the inner wall of the fan cover (7) through a connecting rod, and one end, far away from the front cover (3), of the rotating shaft (5) is fixedly connected with the inside of the speed reducer (8) through a round rod.
3. The brushless motor for the vacuum pump of the automobile brake system as claimed in claim 1, wherein: the filter pore size of filter screen (13) is greater than the filter pore size of filter screen cover (9), the inner wall fixedly connected with stator (16) of casing (1), the winding of week upside of stator (16) has coil (17), middle part fixedly connected with rotor (18) on pivot (5) surface, and rotor (18) rotate the inner wall of connection at stator (16).
4. The brushless motor for the vacuum pump of the automobile brake system as claimed in claim 1, wherein: the bearing assembly (4) comprises an outer ring (41), the inner wall of the outer ring (41) is rotatably connected with balls (42), the surface of each ball (42) is rotatably connected with a retainer (43) and an inner ring (44), each retainer (43) is located between the outer ring (41) and the corresponding ball (42), the outer ring (41) is embedded into the rear cover (2) and the front cover (3) in a penetrating mode, and the inner rings (44) are fixedly connected to the surface of the rotating shaft (5).
5. The brushless motor for the vacuum pump of the automobile brake system as claimed in claim 4, wherein: one end of the inner ring (44) is fixedly connected with a flow guiding fan (45), and the flow guiding fan (45) is arranged at one end, far away from the fan cover (7), of the inner ring (44).
6. The brushless motor for the vacuum pump of the automobile brake system as claimed in claim 5, wherein: the inclination angle of the fan blade (6) is equal to that of the flow guiding fan (45).
7. The brushless motor for the vacuum pump of the automobile brake system as claimed in claim 5, wherein: the number of the flow guide fans (45) is six, and the six flow guide fans (45) are fixedly connected to one end of the inner ring (44) in an annular mode.
8. The brushless motor for the vacuum pump of the automobile brake system as claimed in claim 5, wherein: the blades of the flow guide fan (45) are arranged at one end far away from the circle center of the inner ring (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921298347.3U CN209963913U (en) | 2019-08-12 | 2019-08-12 | Brushless motor of vacuum pump of automobile brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921298347.3U CN209963913U (en) | 2019-08-12 | 2019-08-12 | Brushless motor of vacuum pump of automobile brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209963913U true CN209963913U (en) | 2020-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921298347.3U Active CN209963913U (en) | 2019-08-12 | 2019-08-12 | Brushless motor of vacuum pump of automobile brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209963913U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463965A (en) * | 2020-04-29 | 2020-07-28 | 孙可昂 | Power generation device |
| CN112821672A (en) * | 2021-02-25 | 2021-05-18 | 王恩芽 | Direct-current brushless servo motor |
| CN114289794A (en) * | 2021-11-19 | 2022-04-08 | 重庆登鸿机电有限公司 | Rotor deburring device |
| CN117060649A (en) * | 2023-08-23 | 2023-11-14 | 东莞市吉铼升电机股份有限公司 | Household electrical appliances brushless micro motor convenient to installation |
-
2019
- 2019-08-12 CN CN201921298347.3U patent/CN209963913U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463965A (en) * | 2020-04-29 | 2020-07-28 | 孙可昂 | Power generation device |
| CN112821672A (en) * | 2021-02-25 | 2021-05-18 | 王恩芽 | Direct-current brushless servo motor |
| CN114289794A (en) * | 2021-11-19 | 2022-04-08 | 重庆登鸿机电有限公司 | Rotor deburring device |
| CN117060649A (en) * | 2023-08-23 | 2023-11-14 | 东莞市吉铼升电机股份有限公司 | Household electrical appliances brushless micro motor convenient to installation |
| CN117060649B (en) * | 2023-08-23 | 2024-05-14 | 东莞市吉铼升电机股份有限公司 | Household electrical appliances brushless micro motor convenient to installation |
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