CN110314007B - Brushless motor - Google Patents
Brushless motor Download PDFInfo
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- CN110314007B CN110314007B CN201910606681.9A CN201910606681A CN110314007B CN 110314007 B CN110314007 B CN 110314007B CN 201910606681 A CN201910606681 A CN 201910606681A CN 110314007 B CN110314007 B CN 110314007B
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- main body
- sealing plug
- fixing
- compression
- cleaning
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
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- Public Health (AREA)
- Veterinary Medicine (AREA)
- Brushes (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to the field of motors, in particular to a brushless motor which comprises a sealing plug, a storage mechanism, a main body, a fixing mechanism, a discharging mechanism, a compression mechanism, a cleaning mechanism and a heat dissipation groove, wherein the sealing plug is arranged on the main body; when the main body drives the electric toothbrush to rotate, some water and toothpaste powder flow to the top surface of the sealing plug, the main body drives the cleaning mechanism to rotate, the cleaning mechanism rotates to scrape impurities on the side wall of the fixing mechanism and the top surface of the sealing plug, the cleaning mechanism drives the impurities to move, the impurities are extruded into the feeding mechanism, the impurities move into the storage mechanism in the feeding mechanism, the impurities are prevented from being deposited at the connecting part of the sealing plug and the main body, and the friction force of the main body when the main body drives the electric toothbrush is reduced; when the cleaning mechanism rotates in the fixing mechanism, the cleaning mechanism extrudes the compression mechanism, the compression mechanism drives the storage mechanism to move downwards, the pressure inside the storage mechanism is reduced, the suction force is generated inside the storage mechanism, and impurities inside the discharging mechanism are quickly sucked into the storage mechanism.
Description
Technical Field
The invention relates to the field of motors, in particular to a brushless motor.
Background
The brushless direct current motor is composed of a motor main body and a driver, and is a typical electromechanical integration product. Because the brushless DC motor is operated in a self-control mode, a starting winding is not additionally arranged on a rotor like a synchronous motor which is started under the condition of variable frequency and speed regulation and does not generate oscillation and step-out when the load suddenly changes. The permanent magnet of the brushless DC motor with medium and small capacity is mostly made of rare earth neodymium iron boron material with high magnetic energy product.
When using miniature brushless motor to drive electric toothbrush and rotate, at the in-process that uses electric toothbrush, partly water and the garrulous end of toothpaste flow on the sealing washer, and the garrulous end of toothpaste and water are piled up in the junction of sealing washer and brushless motor axis of rotation, easily lead to the axis of rotation to rust, and increased the frictional force when brushless motor axis of rotation rotates.
Disclosure of Invention
The technical scheme adopted by the invention for solving the technical problems is as follows: a brushless motor comprises a sealing plug, a storage mechanism, a main body, a fixing mechanism, a blanking mechanism, a compression mechanism, a cleaning mechanism and a heat dissipation groove; the inner part of the fixing mechanism is clamped with the main body, one end of the main body is rotatably connected with the sealing plug, and the sealing plug is clamped with one end of the fixing mechanism; one end of the main body is fixedly connected with the cleaning mechanism, and the cleaning mechanism is connected with one end of the sealing plug in a sliding manner; the blanking mechanisms are symmetrically arranged inside the fixing mechanism and abut against the sealing plug; one end of the fixing mechanism is provided with the storage mechanism, and the storage mechanism is communicated with the blanking mechanism; the compression mechanism is arranged at one end of the fixing mechanism, is connected with the cleaning mechanism in a sliding manner, and is connected with the storage mechanism; one end of the main body is provided with the heat dissipation groove, and the heat dissipation groove is communicated with the inside of the compression mechanism.
Specifically, the fixing mechanism comprises a fixing sleeve, fixing rods and clamping plates, the main body is clamped in the fixing sleeve, and the fixing rods are symmetrically arranged on the side wall of the main body; the clamping plates are symmetrically arranged in the fixing sleeve and clamped with the fixing rod.
Specifically, the cleaning mechanism comprises a cleaning plate, a scraper and a fixing ring, the side wall of the rotating shaft of the main body is fixedly connected with the fixing ring, the scraper is mounted on the side wall of the fixing ring in a hollow round table shape, and the scraper is connected with one end of the sealing plug in a sliding manner; the lateral wall fixed connection of solid fixed ring the clearance board, just the clearance board with the inside wall sliding connection of fixed cover.
Specifically, one end of the sealing plug is in a cone shape, and one end of the sealing plug is in a cone shape, the sliding connection side wall of the sealing plug is in an arc shape, the scraper plate is connected with the sealing plug in a clamping mode, and the sealing plug is clamped inside the fixing sleeve.
Specifically, unloading mechanism includes spout and dog, the inside slope of fixed cover is equipped with the infundibulate the spout, the one end of spout is contradicted the sealing plug, just the inside equidistance of spout is equipped with the lateral wall and is curved the dog.
Specifically, the storage mechanism comprises a storage cylinder, a limiting block, a compression plate and a spring, one end of the fixing sleeve is fixedly connected with the storage cylinder, and the top end of the hollow annular storage cylinder is communicated with the bottom end of the sliding chute; the interior of the storage cylinder is connected with the annular compression plate in a sliding manner; the limiting blocks are symmetrically arranged in the middle of the inner part of the storage cylinder, and the hemispherical limiting blocks are abutted against the compression plate; the spring is arranged in the storage cylinder, and the top end of the spring is fixedly connected with the compression plate.
Specifically, the compression mechanism comprises an air bag, a connecting pipe, a steel wire and a rotating rod, the hemispherical air bag is arranged on the inner side wall of the fixed sleeve, and the air bag is connected with the scraper plate in a sliding manner; the inner part of the air bag is rotatably connected with the rotating rod, one end of the rotating rod is provided with the steel wire, and one end of the steel wire is fixedly connected with the bottom surface of the compression plate; the lateral wall installation of gasbag the connecting pipe, the connecting pipe runs through fixed cover, just the connecting pipe intercommunication the inside of main part, just the radiating groove intercommunication the connecting pipe.
The invention has the beneficial effects that:
(1) according to the brushless motor, when the electric toothbrush is driven to rotate by the main body, some water and toothpaste powder flows to the top surface of the sealing plug, the main body drives the cleaning mechanism to rotate, the cleaning mechanism rotates to scrape impurities on the side wall of the fixing mechanism and the top surface of the sealing plug, the cleaning mechanism drives the impurities to move, the impurities are extruded into the feeding mechanism, the impurities move into the storage mechanism in the feeding mechanism, the impurities are prevented from being deposited at the connecting position of the sealing plug and the main body, friction force when the main body drives the electric toothbrush is reduced, and the sealing plug is kept clean.
(2) According to the brushless motor, when the cleaning mechanism rotates inside the fixing mechanism, the cleaning mechanism extrudes the compression mechanism, the compression mechanism drives the storage mechanism to move downwards, so that the pressure inside the storage mechanism is reduced, suction force is generated inside the storage mechanism, impurities inside the blanking mechanism are quickly sucked into the storage mechanism, the compression mechanism is compressed, gas inside the compression mechanism rushes into the main body and is discharged from the inside of the heat dissipation groove, and heat dissipation inside the main body is accelerated.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of a brushless motor according to a preferred embodiment of the present invention;
fig. 2 is a schematic view of the internal structure of the pouch shown in fig. 1;
FIG. 3 is a schematic view of the internal structure of the airbag shown in FIG. 2;
fig. 4 is a cross-sectional view of the pouch construction of fig. 1;
fig. 5 is an enlarged view of the structure at a shown in fig. 1.
In the figure: 1. the sealing plug, 2, store the mechanism, 21, the storage cylinder, 22, the stopper, 23, compression board, 24, the spring, 3, the main part, 4, fixed establishment, 41, fixed cover, 42, the dead lever, 43, splint, 5, unloading mechanism, 51, the spout, 52, the dog, 6, compression mechanism, 61, the gasbag, 62, the connecting pipe, 63, the steel wire, 64, the bull stick, 7, clearance mechanism, 71, clearance board, 72, the scraper blade, 73, solid fixed ring, 8, the radiating groove.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the brushless motor according to the present invention includes a sealing plug 1, a storage mechanism 2, a main body 3, a fixing mechanism 4, a blanking mechanism 5, a compression mechanism 6, a cleaning mechanism 7, and a heat sink 8; the inside of the fixing mechanism 4 is clamped with the main body 3, one end of the main body 3 is rotatably connected with the sealing plug 1, and the sealing plug 1 is clamped with one end of the fixing mechanism 4; one end of the main body 3 is fixedly connected with the cleaning mechanism 7, and the cleaning mechanism 7 is slidably connected with one end of the sealing plug 1; the blanking mechanisms 5 are symmetrically arranged inside the fixing mechanism 4, and the blanking mechanisms 5 abut against the sealing plug 1; one end of the fixing mechanism 4 is provided with the storage mechanism 2, and the storage mechanism 2 is communicated with the blanking mechanism 5; the compression mechanism 6 is installed at one end of the fixing mechanism 4, the compression mechanism 6 is connected with the cleaning mechanism 7 in a sliding mode, and the compression mechanism 6 is connected with the storage mechanism 2; one end of the main body 3 is provided with the heat dissipation groove 8, and the heat dissipation groove 8 is communicated with the inside of the compression mechanism 6.
Specifically, the fixing mechanism 4 includes a fixing sleeve 41, a fixing rod 42 and a clamping plate 43, the fixing sleeve 41 is internally engaged with the main body 3, and the fixing rod 42 is symmetrically installed on the side wall of the main body 3; the clamping plates 43 are symmetrically installed inside the fixing sleeve 41, the clamping plates 43 are clamped with the fixing rods 42, and the fixing rods 42 are fixed by using the clamping plates 43 so as to conveniently place the main body 3 inside the fixing sleeve 41, so that the main body 3 is fixed inside the fixing sleeve 41, and the main body 3 is prevented from shaking inside the fixing sleeve 41.
Specifically, the cleaning mechanism 7 comprises a cleaning plate 71, a scraper 72 and a fixing ring 73, the side wall of the rotating shaft of the main body 3 is fixedly connected with the fixing ring 73, the scraper 72 is mounted on the side wall of the fixing ring 73 in a hollow truncated cone shape, and the scraper 72 is slidably connected with one end of the sealing plug 1; the lateral wall fixed connection of solid fixed ring 73 clearance board 71, just clearance board 71 with the inside wall sliding connection of fixed cover 41, for the convenience main part 3 drives solid fixed ring 73 is in the inside of fixed cover 41 rotates, clearance board 71 rotates will the impurity of fixed cover 41 inside wall is scraped off, makes impurity fall to the top surface of sealing plug 1, just scraper blade 72 rotates the impurity that drives the sealing plug 1 top surface and rotates, makes impurity get into the inside of spout 51.
Specifically, the one end of sealing plug 1 is round platform shape, and one end is round platform shape sealing plug 1 sliding connection lateral wall is the arc scraper 72, just sealing plug 1 block the inside of fixed cover 41, for the convenience of impurity is in the top surface lapse of sealing plug 1 makes impurity fall sealing plug 1 with the junction of fixed cover 41, the convenience scraper 72 will impurity on the sealing plug 1 is scraped.
Specifically, the blanking mechanism 5 includes a sliding groove 51 and a stopper 52, the inner portion of the fixing sleeve 41 is obliquely provided with the funnel-shaped sliding groove 51, one end of the sliding groove 51 is abutted against the sealing plug 1, and the stoppers 52 with arc-shaped side walls are equidistantly arranged in the sliding groove 51, in order to facilitate the scraping plate 72 to extrude the impurities into the inside of the sliding chute 51, the impurities slide in the sliding chute 51, the impurities contact with the stop block 52 with the arc-shaped side wall, the impurities slide on the stop block 52 with the arc-shaped side wall, so that the impurities penetrate through the sliding chute 51 and enter the inside of the storage cylinder 21, and when the foreign substances slide into the inside of the slide groove 51 from the inside of the storage cylinder 21, the foreign substances contact with the stopper 52 whose side wall is inclined, the stopper 52 blocks the foreign substances, and leaves the foreign substances on the sidewall of the stopper 52, thereby preventing a large amount of foreign substances from entering the inside of the chute 51 from the inside of the storage cylinder 21.
Specifically, the storage mechanism 2 comprises a storage cylinder 21, a limiting block 22, a compression plate 23 and a spring 24, one end of the fixing sleeve 41 is fixedly connected with the storage cylinder 21, and the top end of the hollow circular storage cylinder 21 is communicated with the bottom end of the sliding groove 51; the inner part of the storage cylinder 21 is connected with the annular compression plate 23 in a sliding way; the limiting blocks 22 are symmetrically arranged at the middle part inside the storage cylinder 21, and the hemispherical limiting blocks 22 abut against the compression plate 23; the spring 24 is installed inside the storage cylinder 21, the top end of the spring 24 is fixedly connected with the compression plate 23, when impurities enter the inside of the sliding chute 51, the compression plate 23 is driven by the steel wire 63, so that the compression plate 23 moves downwards inside the storage cylinder 21, the compression plate 23 presses the spring 24 downwards, negative pressure is generated inside the storage cylinder 21, and the impurities inside the sliding chute 21 are sucked into the storage cylinder 21; when the steel wire 63 does not pull down on the compression plate 23, the spring 24 pushes the compression plate 23 to move linearly inside the storage cylinder 21, so that the compression plate 23 abuts against the limiting block 22, the limiting block 22 fixes the compression plate 23, and the steel wire 63 is convenient to pull down the compression plate 23 again.
Specifically, the compression mechanism 6 comprises an air bag 61, a connecting pipe 62, a steel wire 63 and a rotating rod 64, the hemispherical air bag 61 is mounted on the inner side wall of the fixing sleeve 41, and the air bag 61 is slidably connected with the scraper 72; the inside of the air bag 61 is rotatably connected with the rotating rod 64, one end of the rotating rod 64 is provided with the steel wire 63, and one end of the steel wire 63 is fixedly connected with the bottom surface of the compression plate 23; the connecting pipe 62 is installed on the side wall of the air bag 61, the connecting pipe 62 penetrates through the fixing sleeve 41, the connecting pipe 62 is communicated with the inside of the main body 3, the heat dissipation groove 8 is communicated with the connecting pipe 62, in order to facilitate the fixing ring 73 to drive the cleaning plate 71 to rotate, the cleaning plate 71 presses the air bag 61, the cleaning plate 71 presses the rotating rod 64 inside the air bag 61, the cleaning plate 71 pushes the rotating rod 61 to rotate inside the air bag 61, the rotating rod 61 rotates to pull the steel wire 63, the steel wire 63 enters the inside of the air bag 61, and the steel wire 63 pulls the compression plate 23 downward; and the scraper 72 presses the gas inside the airbag 61, the gas inside the airbag 61 penetrates through the connecting pipe 62 and enters the inside of the main body 3, and the gas flows rapidly inside the main body 3, so that the heat inside the main body 3 is discharged, and the use of the main body 3 is facilitated. When the clearance board 71 with when gasbag 61 separates, the compression board 23 upwards slides, makes the compression board 23 drive the steel wire 63 gets into the inside of storage cylinder 21, the steel wire 63 drives the reversal of bull stick 64 rotates and resets, makes things convenient for clearance board 71 extrudees again gasbag 61 with bull stick 64, just gasbag 61 expands, makes the inside hot air of main part 1 gets into the inside of gasbag 61, makes the inside temperature of gasbag 61 risees, the inside heat of gasbag 62 gets into the inside of fixed cover 41, makes the inside impurity of fixed cover 41 soften, makes things convenient for scraper blade 72 with clearance board 71 scrapes impurity.
When in use, the main body 3 is put into the fixed sleeve 41, the fixing rod 42 is fixed by the clamping plate 43, so that the main body 3 is fixed in the fixed sleeve 41, the main body 3 is prevented from shaking in the fixed sleeve 41, one end of the main body 3 is connected with an electric toothbrush, and the main body 3 is connected with a power supply; the main body 3 is opened, and the main body 3 drives the electric toothbrush to rotate to clean teeth. When the electric toothbrush is used, some water and toothpaste dust flow to the top surface of the sealing plug 1 and the inner side wall of the fixing sleeve 41, the main body 3 drives the fixing ring 73 to rotate in the fixing sleeve 41, the cleaning plate 71 rotates to scrape off impurities on the inner side wall of the fixing sleeve 41, so that the impurities fall on the top surface of the sealing plug 1, the scraper 72 rotates to drive the impurities on the top surface of the sealing plug 1 to rotate, so that the impurities enter the inside of the sliding groove 51, when the scraper 72 drives the impurities to enter the inside of the sliding groove 51, the cleaning plate 71 extrudes the air bag 61, the cleaning plate 71 extrudes the rotating rod 64 in the air bag 61, the cleaning plate 71 pushes the rotating rod 61 to rotate in the inside of the air bag 61, the rotating rod 61 rotates to pull the steel wire 63, so that the steel wire 63 enters the inside of the air bag 61, the steel wire 63 pulls the compression plate 23 downwards, so that the compression plate 23 moves downwards in the storage cylinder 21, the compression plate 23 presses the spring 24 downwards, negative pressure is generated in the storage cylinder 21, and impurities in the sliding chute 21 are sucked into the storage cylinder 21; and the scraper 72 presses the gas inside the airbag 61, the gas inside the airbag 61 penetrates through the connecting pipe 62 and enters the inside of the main body 3, and the gas flows rapidly inside the main body 3, so that the heat inside the main body 3 is discharged, and the use of the main body 3 is facilitated. When the clearance board 71 rotate with gasbag 61 separates, spring 24 promotes compression board 23 is in the inside linear motion of storage cylinder 21 makes compression board 23 drive steel wire 63 gets into the inside of storage cylinder 21 makes compression board 23 contradict stopper 22, stopper 22 will compression board 23 is fixed, steel wire 63 drives bull stick 64 counter-rotation resets, makes the clearance board 71 extrude again gasbag 61 with bull stick 64. When the scraping plate 72 extrudes impurities into the sliding groove 51, the impurities slide in the sliding groove 51, the impurities are in contact with the stop block 52 with the arc-shaped side wall, the impurities slide on the stop block 52 with the arc-shaped side wall, so that the impurities penetrate through the sliding groove 51 to enter the storage cylinder 21, the compression plate 23 moves upwards, and when part of the impurities slide into the sliding groove 51 from the storage cylinder 21, the impurities are in contact with the stop block 52 with the inclined side wall, the stop block 52 stops the impurities, the impurities are left on the side wall of the stop block 52, and a large amount of the impurities are prevented from entering the sliding groove 51 from the storage cylinder 21. When the cleaning plate 71 is separated from the air bag 61, the air bag 61 is expanded, so that the hot air inside the main body 1 enters the inside of the air bag 61, the temperature inside the air bag 61 is increased, the heat inside the air bag 62 enters the inside of the fixing sleeve 41, impurities inside the fixing sleeve 41 are softened, and the scraping of the impurities by the scraping plate 72 and the cleaning plate 71 is facilitated.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. A brushless motor characterized by: the device comprises a sealing plug (1), a storage mechanism (2), a main body (3), a fixing mechanism (4), a blanking mechanism (5), a compression mechanism (6), a cleaning mechanism (7) and a heat dissipation groove (8); the main body (3) is clamped in the fixing mechanism (4), one end of the main body (3) is rotatably connected with the sealing plug (1), and the sealing plug (1) is clamped at one end of the fixing mechanism (4); one end of the main body (3) is fixedly connected with the cleaning mechanism (7), and the cleaning mechanism (7) is slidably connected with one end of the sealing plug (1); the blanking mechanisms (5) are symmetrically arranged inside the fixing mechanism (4), and the blanking mechanisms (5) are abutted against the sealing plug (1); one end of the fixing mechanism (4) is provided with the storage mechanism (2), and the storage mechanism (2) is communicated with the blanking mechanism (5); one end of the fixing mechanism (4) is provided with the compression mechanism (6), the compression mechanism (6) is connected with the cleaning mechanism (7) in a sliding manner, and the compression mechanism (6) is connected with the storage mechanism (2); one end of the main body (3) is provided with the heat dissipation groove (8), and the heat dissipation groove (8) is communicated with the inside of the compression mechanism (6); the fixing mechanism (4) comprises a fixing sleeve (41), a fixing rod (42) and a clamping plate (43), the main body (3) is clamped in the fixing sleeve (41), and the fixing rod (42) is symmetrically installed on the side wall of the main body (3); the splints (43) are symmetrically arranged in the fixed sleeve (41), and the splints (43) are clamped with the fixed rod (42); the cleaning mechanism (7) comprises a cleaning plate (71), a scraper (72) and a fixing ring (73), the side wall of the rotating shaft of the main body (3) is fixedly connected with the fixing ring (73), the scraper (72) is installed on the side wall of the fixing ring (73) which is in a hollow truncated cone shape, and the scraper (72) is connected with one end of the sealing plug (1) in a sliding mode; the side wall of the fixed ring (73) is fixedly connected with the cleaning plate (71), and the cleaning plate (71) is in sliding connection with the inner side wall of the fixed sleeve (41); one end of the sealing plug (1) is in a cone shape, the sealing plug (1) with one end in the cone shape is slidably connected with the scraper (72) with the arc-shaped side wall, and the sealing plug (1) is clamped in the fixing sleeve (41); the blanking mechanism (5) comprises a sliding groove (51) and a stop block (52), the funnel-shaped sliding groove (51) is obliquely arranged in the fixed sleeve (41), one end of the sliding groove (51) is abutted against the sealing plug (1), and the stop blocks (52) with arc-shaped side walls are equidistantly arranged in the sliding groove (51); the storage mechanism (2) comprises a storage cylinder (21), a limiting block (22), a compression plate (23) and a spring (24), one end of the fixing sleeve (41) is fixedly connected with the storage cylinder (21), and the top end of the hollow circular storage cylinder (21) is communicated with the bottom end of the sliding groove (51); the interior of the storage cylinder (21) is connected with a circular compression plate (23) in a sliding way; the limiting blocks (22) are symmetrically arranged at the middle part inside the storage cylinder (21), and the hemispherical limiting blocks (22) are abutted against the compression plate (23); the spring (24) is installed inside the storage cylinder (21), and the top end of the spring (24) is fixedly connected with the compression plate (23).
2. A brushless electric machine according to claim 1, wherein: the compression mechanism (6) comprises an air bag (61), a connecting pipe (62), a steel wire (63) and a rotating rod (64), the hemispherical air bag (61) is installed on the inner side wall of the fixing sleeve (41), and the air bag (61) is connected with the scraper (72) in a sliding manner; the inner part of the air bag (61) is rotatably connected with the rotating rod (64), one end of the rotating rod (64) is provided with the steel wire (63), and one end of the steel wire (63) is fixedly connected with the bottom surface of the compression plate (23); the lateral wall installation of gasbag (61) connecting pipe (62), connecting pipe (62) run through fixed cover (41), just connecting pipe (62) intercommunication the inside of main part (3), just radiating groove (8) intercommunication connecting pipe (62).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910606681.9A CN110314007B (en) | 2019-07-06 | 2019-07-06 | Brushless motor |
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| CN201910606681.9A CN110314007B (en) | 2019-07-06 | 2019-07-06 | Brushless motor |
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| CN110314007A CN110314007A (en) | 2019-10-11 |
| CN110314007B true CN110314007B (en) | 2021-05-04 |
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Effective date of registration: 20230522 Address after: 100144 Badachu high tech park, Shijingshan District, Beijing Patentee after: BEIJING AOBO AUTOMOTIVE ELECTRONIC & ELECTRIC APPLIANCE Co.,Ltd. Address before: No. 98, Zhengcun village, Shuangta street, Jiangshan City, Quzhou City, Zhejiang Province 324100 Patentee before: Zhang Dongdong |
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