CN218416019U - Electric vehicle motor with waterproof structure - Google Patents

Abstract

The utility model discloses an electric motor car motor with waterproof construction, include: the base, the upper end of base is provided with the fixed orifices, the upper end middle part fixedly connected with motor housing of base, motor housing's inside is provided with bearing frame one, stator, winding, pivot, iron core and switching line controller, motor housing's outside end is provided with power source and signal interface, motor housing's open end and motor lid are connected, motor lid medial extremity middle part fixedly connected with bearing frame two, motor lid ground outside end middle part fixedly connected with sealing device, the other end extension of pivot passes bearing frame two, motor lid and sealing device's middle part. Through above-mentioned structure, make the electric motor car motor have waterproof function, prevent that the electric motor car from going in the rain or when wading the highway section, the motor is intake and is leaded to damaging.

Description

Electric vehicle motor with waterproof structure

Technical Field

The utility model relates to an electric motor car motor technical field, in particular to electric motor car motor with waterproof construction.

Background

The motor of the electric vehicle has different forms according to different use environments and use frequencies, the characteristics of the motors in different forms are different, and the motor of the electric vehicle generally adopts a permanent magnet direct current motor. The motor car motors are divided into two categories, namely brush motors and brushless motors according to the electrifying form of the motors; the motor assembly is classified according to its mechanical structure into two categories, namely "toothed" (motor speed is high and needs to be reduced by gears) and "toothless" (motor torque output does not undergo any reduction), and common motors include permanent magnet direct current motors, brushless direct current motors and high-speed permanent magnet brushless motors. Taking brushless motor as an example, brushless motor has advantages such as the reliability is high, mechanical noise is low, but brushless motor's leakproofness is relatively poor, can make internal device rust after intaking, leads to the motor to damage, and the general fixed mounting of motor is on the electric motor car, and it is troublesome to dismantle, still needs a root to connect when putting through the power cord to the motor, and power cord junction and signal line interface waterproof nature are poor, very easily lead to the trouble because of intaking.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric motor car motor with waterproof construction can strengthen the leakproofness of the power cord interface and the signal line interface of electric motor car motor, makes the whole waterproof nature of electric motor car motor increase, prevents that the motor from intaking and damaging to it is simple convenient when connecting the power cord behind the installation motor.

In order to achieve the above objects, there is provided an electric vehicle motor having a waterproof structure, comprising: the base, the upper end of base is provided with the fixed orifices, the fixed orifices runs through the base, the upper end middle part fixedly connected with motor housing of base, motor housing's inside is provided with bearing frame one, stator, winding, pivot, iron core and switching line controller, a bearing frame fixed connection is in the middle part of motor housing medial extremity, pivot one end is rotated and is connected in bearing frame one, the pivot other end passes the iron core middle part, iron core outside fixed connection winding, motor housing's inside wall fixedly connected with stator, switching line controller is located motor housing inboard end upper wall, motor housing's outside end wall is provided with power source and signal interface, switching line controller and power source and signal interface connection, the one end that motor housing kept away from bearing frame one is provided with sealed the pad, sealed pad is connected with the motor lid, motor lid medial extremity middle part fixedly connected with bearing frame two, motor lid outside side middle part fixedly connected with sealing device, the other end of pivot extends bearing frame two, motor lid and sealing device's middle part. The power interface is used for simply and quickly connecting the motor and the electric vehicle, and the power interface and the signal interface are arranged at the outer side end of the motor shell, so that the influence of a power line and a signal line on the sealing performance of the motor of the electric vehicle is avoided.

According to the electric vehicle motor with the waterproof structure, the stator is a permanent magnet. After the power is switched on, a magnetic field is formed to rotate the motor.

According to the electric vehicle motor with the waterproof structure, the winding is a copper wire winding, and the winding and the iron core form a rotor. The resistance of copper wire is lower, and work efficiency is higher.

According to an electric motor car motor with waterproof construction, the motor lid is provided with the screw, the screw runs through the motor lid to in extending to the casing of motor housing, motor housing and motor lid get into screw fixed connection through the bolt. The motor shell and the motor cover are integrated into a whole, so that a closed space is formed inside.

According to the electric vehicle motor with the waterproof structure, the sealing device is a mechanical seal. The sealing performance of the motor rotating shaft is guaranteed, the sealing performance of mechanical sealing is good, the service life is long, and the friction between the rotating shaft and the sealing performance is small.

According to the electric vehicle motor with the waterproof structure, the sealing gasket is made of the fluororubber material. The motor cover has better corrosion resistance and high temperature resistance, can effectively reduce the gap between the motor shell and the motor cover, and ensures the sealing property.

The utility model has the advantages as follows: the electric vehicle motor has better waterproof performance and is convenient to be connected with a power line of an electric vehicle.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic perspective view of an electric vehicle motor with a waterproof structure according to the present invention;

fig. 2 is a schematic front view of an electric vehicle motor with a waterproof structure according to the present invention;

fig. 3 is a schematic top view of the electric vehicle motor with a waterproof structure according to the present invention;

fig. 4 is a schematic cross-sectional structural view of an electric vehicle motor with a waterproof structure according to the present invention;

fig. 5 is a schematic cross-sectional structural view of the electric vehicle motor with a waterproof structure of the present invention.

Illustration of the drawings:

1. a power interface; 2. a motor housing; 3. a signal interface; 4. a base; 5. a fixing hole; 6. a bolt; 7. a sealing device; 8. a rotating shaft; 9. a motor cover; 10. a gasket; 11. a stator; 12. a switching line controller; 13. a winding; 14. a first bearing seat; 15. a second bearing seat; 16. an iron core; 17. and a screw hole.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention provides an electric vehicle motor with a waterproof structure, including: a base 4, a fixing hole 5 is arranged at the upper end of the base 4, the fixing hole 5 penetrates through the base 4 and is used for connecting with an electric vehicle, a motor shell 2 is fixedly connected at the middle part of the upper end of the base 4, the motor shell 2 is made of metal and has a heat dissipation function, a bearing seat I14, a stator 11, a winding 13, a rotating shaft 8, an iron core 16 and a switch circuit controller 12 are arranged inside the motor shell 2, the bearing seat I14 is fixedly connected at the middle part of the inner side end of the motor shell 2, the shaft center can rotate, one end of the rotating shaft 8 is rotatably connected with the bearing seat I14, the other end of the rotating shaft 8 penetrates through the middle part of the iron core 16, the iron core 16 is clamped at the outer side of the iron core 16 at the middle part of the rotating shaft 8 and is fixedly connected with the winding 13, the winding 13 is embedded into the iron core 16, and the rotating shaft 8 after being threaded is put into the motor shell from the open end of the motor shell 2, the end is fixed at the middle part of bearing frame 14, motor housing 2's inside wall fixedly connected with stator 11, can use permanent magnet material or neodymium iron boron permanent magnet material, avoid colliding with stator 11 during installation pivot 8, switching line controller 12 is located motor housing 2 inboard end upper wall, motor housing 2's outside end wall is provided with power source 1 and signal interface 3, interface housing uses the plastics material, kneck fixedly connected with sealing rubber, switching line controller 12 is connected with power source 1 and signal interface 3, power source 1 and signal interface 3 can be with the power cord and the signal line zonulae occludens of electric motor car, waterproof nature has after connecting, the one end that motor housing 2 kept away from bearing frame 14 is provided with sealed the pad 10, sealed pad 10 is connected with motor cover 9.

The middle part of the inner side end of the motor cover 9 is fixedly connected with a second bearing seat 15, the middle part of the outer side end of the motor cover 9 is fixedly connected with a sealing device 7, and the other end of the rotating shaft 8 extends through the middle parts of the second bearing seat 15, the motor cover 9 and the sealing device 7.

The stator 11 is a permanent magnet, is provided with a sensor and a power line, is connected with a switch circuit controller 12, and controls the running state of the motor.

The winding 13 is formed by copper wires, the winding 13 and the iron core 16 form a rotor, and the rotor is sleeved in a clamping groove in the middle of the rotating shaft 8 to be fixed, so that collision is avoided during installation.

The motor cover 9 is provided with screw hole 17, and screw hole 17 runs through motor cover 9 to in extending to motor housing 2's the casing, motor housing 2 and motor cover 9 get into screw hole 17 fixed connection through bolt 6.

The sealing device 7 is a mechanical seal, and the joint of the sealing device and the motor cover 9 is well sealed.

The sealing gasket 10 is made of fluororubber, and the sealing gasket 10 is correctly placed when the motor cover 9 and the motor shell 2 are connected, so that the tightness of connection between the motor shell 2 and the motor cover 9 is prevented from being influenced.

The working principle is as follows: carry out fixed connection with placing the position of motor of electric motor car through the fixed orifices 5 on its base 4 with the motor, insert the power source 1 of 2 lateral walls of motor housing with the power plug of electric motor car again, the signal plug of electric motor car inserts the signal interface 3 of motor housing 2, and the motor can normally operate.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (6)

1. The utility model provides an electric motor car motor with waterproof construction which characterized in that includes: a base (4), the upper end of the base (4) is provided with a fixed hole (5), the fixing hole (5) penetrates through the base (4), the middle part of the upper end of the base (4) is fixedly connected with a motor shell (2), a first bearing seat (14), a stator (11), a winding (13), a rotating shaft (8), an iron core (16) and a switch circuit controller (12) are arranged in the motor shell (2), the first bearing seat (14) is fixedly connected to the middle of the inner side end of the motor shell (2), one end of the rotating shaft (8) is rotatably connected with the first bearing seat (14), the other end of the rotating shaft (8) penetrates through the middle part of the iron core (16), the outer side of the iron core (16) is fixedly connected with a winding (13), the inner side wall of the motor shell (2) is fixedly connected with a stator (11), the switch circuit controller (12) is positioned on the upper wall of the inner side end of the motor shell (2), the outer side end of the motor shell (2) is provided with a power interface (1) and a signal interface (3), the switch circuit controller (12) is connected with the power interface (1) and the signal interface (3), a sealing gasket (10) is arranged at one end, far away from the bearing seat I (14), of the motor shell (2), and the sealing gasket (10) is connected with the motor cover (9);

the motor cover is characterized in that a second bearing seat (15) is fixedly connected to the middle of the inner side end of the motor cover (9), a sealing device (7) is fixedly connected to the middle of the outer side end of the motor cover (9), and the other end of the rotating shaft (8) extends through the middle of the second bearing seat (15), the motor cover (9) and the sealing device (7).

2. An electric vehicle motor with a waterproof structure according to claim 1, characterized in that the stator (11) is a permanent magnet.

3. The electric vehicle motor with the waterproof structure of claim 1, wherein the winding (13) is made of copper wire, and the winding (13) and the iron core (16) form a rotor.

4. The electric vehicle motor with the waterproof structure is characterized in that the motor cover (9) is provided with a screw hole (17), the screw hole (17) penetrates through the motor cover (9), the screw hole (17) extends into the shell of the motor shell (2) through the sealing gasket (10), and the motor shell (2) and the motor cover (9) are fixedly connected through a bolt (6) entering the screw hole (17).

5. An electric vehicle motor with waterproofing structure according to claim 1, wherein the sealing means (7) is a mechanical seal.

6. The electric vehicle motor with waterproof structure as claimed in claim 4, wherein the gasket (10) is made of rubber.

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