CN210478297U

CN210478297U - Motor drive axle

Info

Publication number: CN210478297U
Application number: CN201921521766.9U
Authority: CN
Inventors: 高勇
Original assignee: Shenzhen Fu Tai Tai Technology Co Ltd
Current assignee: Shenzhen Fu Tai Tai Technology Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-08
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a motor drive axle, which comprises a shell, a sliding unit and a power unit; a housing: the shell is of a box type structure, and sliding grooves perpendicular to the bottom surface are formed in the inner sides of two ends of an opening of the shell; a slide unit: the sliding unit contains spout, limiting plate, slider, locating lever and handle, the inside side level of casing is fixed with two spouts, the both sides and two spout sliding connection of slider, the constant head tank sliding connection at the both sides and the spout middle part of limiting plate, one end of locating lever and one side fixed connection of limiting plate, the other end of locating lever is rotated with the bottom of handle and is connected, the screw thread of the bottom side of handle and the screw hole threaded connection of roof top surface, this motor drive axle, not only simple structure, increased substantially the radiating efficiency, still convenient maintenance.

Description

Motor drive axle

Technical Field

The utility model relates to a motor drive axle art field specifically is a motor drive axle.

Background

With the continuous change of the demand of society development, the expectation and the acceptance of people on electric automobiles are continuously improved, the traditional diesel and gasoline powered automobiles have large energy demand, the caused environmental problems are increasingly prominent, and the society and people urgently need a novel power automobile to slowly replace the traditional automobile;

the electric automobile has a series of advantages of small environmental pollution, low noise, high driving efficiency, simple structure, low energy consumption, low cost and the like, is more and more favored by the masses, takes electricity as power, causes little harm and pressure to the society and the natural environment, and determines that the electric automobile is to become a mainstream travel tool;

the electric automobile industry is rapidly developed, and because reasons such as outward appearance, use experience for there is the heat dissipation slow in electric automobile's motor drive axle, inconvenient maintenance's important problem.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a motor drive axle, through the slip unit, guide plate and the bottom plate that provide, can effectively solve the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a motor drive axle comprises a shell, a sliding unit and a power unit; a housing: the shell is of a box type structure, and sliding grooves perpendicular to the bottom surface are formed in the inner sides of two ends of an opening of the shell; a slide unit: the sliding unit comprises sliding chutes, a limiting plate, a sliding block, a positioning rod and a handle, wherein two sliding chutes are horizontally fixed on the inner side surface of the shell, two sides of the sliding block are in sliding connection with the two sliding chutes, two sides of the limiting plate are in sliding connection with the positioning groove in the middle of the sliding chutes, one end of the positioning rod is fixedly connected with one side of the limiting plate, the other end of the positioning rod is rotatably connected with the bottom end of the handle, and threads on the bottom side surface of the handle are in threaded connection with threaded holes on the top surface of the top plate; a power unit: the power unit comprises a motor, a driving gear, a speed reducing wheel, differential gears and wheel transmission rods, wherein gears at one ends of the two wheel transmission rods are respectively meshed with the two differential gears, the side surfaces of the two differential gears are respectively and rotatably connected to two fixing blocks at the edge of the speed reducing wheel, the center of the speed reducing wheel is rotatably connected with the side surface of one wheel transmission rod, the speed reducing wheel is meshed with the driving gear, the driving gear is fixedly connected with an output shaft of the motor, and the motor is fixed on the side surface of a sliding block;

wherein: the input end of the motor is electrically connected with the output end of the control system, and the input end of the control system is electrically connected with the output shaft of the battery.

Further, still include the flabellum the center of flabellum and the output shaft middle part side fixed connection of motor, the motor drives the flabellum rotatory, makes the inside air flow rate increase of casing.

Furthermore, the automobile wheel driving device further comprises guide plates, the two guide plates are perpendicular to the bottom surface of the shell and fixedly connected with the middle of the side face of the shell, acute angles are formed between the two guide plates and the two sides of the interior of the shell in the direction close to the wheel driving rod, the guide plates enable air to be gathered in the power unit, heat is dissipated in a centralized mode, and the heat dissipation efficiency is improved.

Further, still include the dust screen, two dust screens and the perpendicular spout sliding connection of the both ends head of casing, the dust screen can block particulate matter, dust and enter into drive gear.

Furthermore, the anti-loosening device further comprises a top plate, a hexagon screw and a anti-loosening gasket, wherein the four corners of the top plate are fixed to the top end of the shell through the hexagon screw and the anti-loosening gasket, and the top plate is used for sealing the top surface of the shell.

Furthermore, the anti-loosening device further comprises a bottom plate and a rotating shaft, wherein one end of the bottom plate is movably connected with one end of a fixing plate at the bottom of the shell through the rotating shaft, and two corners of the other end of the bottom plate are fixed at one end of the bottom of the shell through hexagon screws and anti-loosening gaskets. The bottom plate can be rotated and opened through the rotating shaft, and maintenance is convenient.

Compared with the prior art, the beneficial effects of the utility model are that: this motor drive axle has following benefit:

1. the motor drive axle, together with the provided fan blades, can increase the air flow rate in the shell, so that the heat dissipation problem of the power unit can be solved;

2. the motor drive axle can be opened at the bottom surface through the provided bottom plate, so that the maintenance is convenient;

3. the motor drive axle has the advantages of simple structure, greatly improved heat dissipation efficiency and convenience in maintenance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic bottom structure diagram of the present invention.

In the figure: 1 top plate, 2 bottom plates, 3 sliding units, 31 sliding chutes, 32 limiting plates, 33 sliding blocks, 34 positioning rods, 35 handles, 4 power units, 41 motors, 42 driving gears, 43 reduction gears, 44 differential gears, 45 wheel transmission rods, 5 guide plates, 6 fan blades, 7 dust screens, 8 rotating shafts, 9 hexagon screws, 10 anti-loosening gaskets, 11 fixing plates and 12 shells.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a motor drive axle includes a housing 12, a slide unit 3, and a power unit 4; the housing 12: casing 12 is box formula structure, casing 12's opening both ends inboard is equipped with the spout of perpendicular to bottom surface, still include dust screen 7, the vertically spout sliding connection of two dust screens 7 and casing 12's both ends head, dust screen 7 can block the particulate matter, the dust enters into drive gear, still include roof 1, hex screw 9 and check washer 10, the top at casing 12 is fixed with hex screw 9 and check washer 10 to the four corners of roof 1, roof 1 is used for sealing shell 12's top surface, still include bottom plate 2 and pivot 8, the one end swing joint of the fixed plate of pivot 8 and casing 12's bottom is passed through to the one end of bottom plate 2, the bottom one end at casing 12 is fixed with hex screw 9 and check washer 10 at the two angles of the other end of bottom plate 2. The bottom plate 2 can be opened by rotating the rotating shaft 8, so that the maintenance is convenient; the slide unit 3: the sliding unit 3 comprises sliding chutes 31, limiting plates 32, sliding blocks 33, positioning rods 35 and handles 35, two sliding chutes 31 are horizontally fixed on the inner side surface of the shell 12, two sides of each sliding block 33 are slidably connected with the two sliding chutes 31, two sides of each limiting plate 32 are slidably connected with a positioning groove in the middle of each sliding chute 31, one end of each positioning rod 34 is fixedly connected with one side of each limiting plate 32, the other end of each positioning rod 34 is rotatably connected with the bottom end of each handle 35, and threads on the bottom side surface of each handle 35 are in threaded connection with threaded holes in the top surface of the top plate 1; the power unit 4: the power unit 4 comprises a motor 41, a driving gear 42, a reduction gear 43, differential gears 44 and wheel transmission rods 45, wherein gears at one ends of the two wheel transmission rods 45 are respectively meshed with the two differential gears 44, the side surfaces of the two differential gears 44 are respectively and rotatably connected to two fixing blocks at the edge of the reduction gear 43, the center of the reduction gear 43 is rotatably connected with the side surface of one wheel transmission rod 45, the reduction gear 43 is meshed with the driving gear 42, the driving gear 42 is fixedly connected with an output shaft of the motor 41, the motor 41 is fixed on the side surface of a sliding block 33, the power unit further comprises fan blades 6, the center of each fan blade 6 is fixedly connected with the side surface of the middle part of the output shaft of the motor 41, the motor 41 drives the fan blades 6 to rotate, so that the air flow rate inside the shell 12 is increased, the power unit further comprises guide plates 5, the two guide plates 5 are perpendicular to the bottom surface of the shell 12 and, the air is gathered in the power unit 4 by the guide plate 5, so that the heat is dissipated in a centralized manner, and the heat dissipation efficiency is improved; wherein: the input end of the motor 41 is electrically connected with the output end of the control system, and the input end of the control system is electrically connected with the output shaft of the battery.

When in use: firstly, the power unit 4 starts to work, the gears at one end of two wheel transmission rods 45 are respectively meshed with two differential gears 44, the side surfaces of the two differential gears 44 are respectively and rotatably connected to two fixing blocks at the edge of a reduction gear 43, the center of the reduction gear 43 is rotatably connected with the side surface of one wheel transmission rod 45, the reduction gear 43 is meshed with a driving gear 42, the driving gear 42 is fixedly connected with an output shaft of a motor 41, the motor 41 is fixed on the side surface of a sliding block 33, the wheel transmission rods 45 start to rotate along with the rotation of the motor 41, when the rotation speeds of the two wheels are different, the differential gears start to rotate, the air flow fan blade 6 is also included, the center of the fan blade 6 is fixedly connected with the side surface of the middle part of the output shaft of the motor 41, the motor 41 drives the fan blade 6 to rotate, so that the air flow rate inside the shell is, the two guide plates 5 form acute angles with two sides inside the shell 12 in the direction close to the wheel transmission rod 45, the guide plates 5 enable air to gather in the power unit 4 to intensively dissipate heat, and the heat dissipation efficiency is improved, the automobile wheel suspension device further comprises a dust screen 7, the two dust screens 7 are in sliding connection with vertical sliding grooves at two ends of the shell 12, the dust screen 7 can prevent particles and dust from entering a driving gear, the automobile wheel suspension device further comprises a top plate 1, a hexagon screw 9 and a check gasket 10, four corners of the top plate 1 are fixed at the top end of the shell 12 through the hexagon screw 9 and the check gasket 10, the top plate 1 is used for sealing the top surface of the shell 12, the automobile wheel suspension device further comprises two sliding grooves 31 horizontally fixed on the side surface inside the shell 12, two sides of a sliding block 33 are in sliding connection with the two sliding grooves 31, two sides of a limiting plate 32 are in sliding, the other end of locating lever 34 is rotated with the bottom of handle 35 and is connected, the screw thread of the bottom side of handle 35 and the screw hole threaded connection of the top surface of roof 1, the spout is favorable to motor 41's roll-off, make things convenient for motor 41 to obtain the maintenance, limiting plate 32's effect is that limiting slider 33 slides, restrict the accurate position with the motor, bottom plate 2 and pivot 8, the one end swing joint of the fixed plate of the bottom of pivot 8 and casing 12 is passed through to the one end of bottom plate 2, the bottom one end at casing 12 is fixed with hex bolts 9 and locking gasket 10 at the other end both corners of bottom plate 2, bottom plate 2 can rotate through pivot 8 and open, make things convenient for the maintenance.

It should be noted that the motor 41 disclosed in the present embodiment is preferably a YB3 series motor from nakai explosion-proof motors ltd, wenzhou, and the control system controls the operation of the motor 41 by a method commonly used in the art.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A motor drive axle characterized in that: comprises a shell (12), a sliding unit (3) and a power unit (4); a housing (12): the shell (12) is of a box type structure, and sliding grooves perpendicular to the bottom surface are formed in the inner sides of two open ends of the shell (12); sliding unit (3): the sliding unit (3) comprises sliding chutes (31), limiting plates (32), sliding blocks (33), positioning rods (34) and a handle (35), two sliding chutes (31) are horizontally fixed on the inner side surface of the shell (12), two sides of each sliding block (33) are in sliding connection with the two sliding chutes (31), two sides of each limiting plate (32) are in sliding connection with a positioning groove in the middle of each sliding chute (31), one end of each positioning rod (34) is fixedly connected with one side of each limiting plate (32), the other end of each positioning rod (34) is rotatably connected with the bottom end of the handle (35), and threads on the side surface of the bottom of the handle (35) are in threaded connection with threaded holes in the top surface of the top plate (1); power unit (4): the power unit (4) comprises a motor (41), a driving gear (42), a reduction gear (43), differential gears (44) and wheel transmission rods (45), gears at one ends of the two wheel transmission rods (45) are respectively meshed with the two differential gears (44), the side faces of the two differential gears (44) are respectively and rotatably connected to two fixing blocks at the edge of the reduction gear (43), the center of the reduction gear (43) is rotatably connected with the side face of one wheel transmission rod (45), the reduction gear (43) is meshed with the driving gear (42), the driving gear (42) is fixedly connected with an output shaft of the motor (41), and the motor (41) is fixed on the side face of the sliding block (33); wherein: the input end of the motor (41) is electrically connected with the output end of the control system, and the input end of the control system is electrically connected with the output shaft of the battery.

2. A motor drive axle according to claim 1, wherein: the fan blade type fan is characterized by further comprising fan blades (6), wherein the centers of the fan blades (6) are fixedly connected with the side face of the middle part of an output shaft of the motor (41).

3. A motor drive axle according to claim 1, wherein: the automobile wheel steering device further comprises guide plates (5), the two guide plates (5) are perpendicular to the bottom surface of the shell (12) and fixedly connected with the middle of the side face of the shell (12), and acute angles are formed between the two guide plates (5) and two sides of the interior of the shell (12) in the direction close to the wheel transmission rod (45).

4. A motor drive axle according to claim 1, wherein: the dustproof net structure is characterized by further comprising dustproof nets (7), wherein the two dustproof nets (7) are in sliding connection with the vertical sliding grooves at the two ends of the shell (12).

5. A motor drive axle according to claim 1, wherein: the anti-loosening device is characterized by further comprising a top plate (1), a hexagon screw (9) and a loosening-preventing gasket (10), wherein the hexagon screw (9) and the loosening-preventing gasket (10) are fixed at the top end of the shell (12) for four corners of the top plate (1).

6. A motor drive axle according to claim 1, wherein: the anti-loosening device is characterized by further comprising a bottom plate (2) and a rotating shaft (8), wherein one end of the bottom plate (2) is movably connected with one end of a fixing plate at the bottom of the shell (12) through the rotating shaft (8), and the other end of the bottom plate (2) is fixed at one end of the bottom of the shell (12) through a hexagon screw (9) and a loosening-preventing gasket (10).