CN217849117U

CN217849117U - Motor phase line mounting structure and motor

Info

Publication number: CN217849117U
Application number: CN202222285286.5U
Authority: CN
Inventors: 陈波波; 李汉青; 王在峰
Original assignee: Xuzhou Keya Electromechanical Co ltd
Current assignee: Xuzhou Keya Electromechanical Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-11-18
Anticipated expiration: 2032-08-30

Abstract

A phase line mounting structure of a motor and the motor comprise a motor rear end cover, a surrounding plate and a wiring mechanism, wherein the surrounding plate is fixedly mounted on the outer surface of the motor rear end cover and is attached to the outer surface of the motor rear end cover in a sealing mode to form a mounting cavity; the enclosing plate is provided with a phase line mounting plate, and a phase line mounting hole and a signal line mounting hole are formed in the surface of the phase line mounting plate in a penetrating mode; the phase line mounting hole and the signal line mounting hole are respectively provided with a phase line gland head and a signal line gland head which are matched with each other; the surface of the rear end cover of the motor in the installation cavity is provided with a phase line hole, a signal line hole, a wiring post hole and a wiring mechanism in a penetrating way, and the wiring mechanism is fixedly arranged on the wiring post hole and used for connecting a three-phase line joint and a phase line gland head of the motor. The wiring mechanism comprises a wiring terminal, a wiring terminal and a fixing nut, the wiring terminal is a bolt provided with external threads and is installed in a threaded fit mode with a wiring terminal hole, and the wiring terminal and the fixing nut are installed on the wiring terminal inside the installation cavity.

Description

Motor phase line mounting structure and motor

Technical Field

The utility model relates to an electric tricycle motor field especially relates to a motor phase line mounting structure and motor.

Background

The motor is one of the core components of the electric tricycle, and the running performance of the electric tricycle is directly influenced by the stability of the motor during operation. The motor is connected with an external power supply through a three-phase line of the motor, in the existing motor structure, a lead-out mechanism of the three-phase line is generally a mounting disc arranged on the side surface of the motor, and a wiring button is arranged on the mounting disc; or a wiring harness injection molding part is arranged, the wiring harness injection molding part and the rear end cover of the motor are fixed in an extruding mode, and the three-phase line of the motor penetrates through the wiring harness injection molding part and is led out.

These wiring modes can not effectually play waterproof and dirt-proof effect, and in the long-term use of motor, because of three-phase line is dragged or the injection molding is ageing, form the gap and cause the motor to leak, form the quality hidden danger. In addition, in cold weather, the injection molding part is easy to harden, the sealing performance between the injection molding part and a motor cylinder is reduced, and the hidden danger of water inflow exists in rainy and snowy weather. And the main factor that the motor damages is that the motor is intake or is affected with damp.

Therefore, the waterproof and dustproof capacity of the motor when the three-phase line is led out and connected with an external power supply is improved, and the main problems to be overcome are to improve the running performance of the motor and prolong the service life.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the above-mentioned prior art, the utility model provides a motor phase line mounting structure.

The utility model provides a technical scheme as follows:

a phase line mounting structure of a motor comprises a motor rear end cover, a surrounding plate and a wiring mechanism, wherein the surrounding plate is fixedly mounted on the outer surface of the motor rear end cover, the bottom of the surrounding plate is in fit sealing with the outer surface of the motor rear end cover, and a mounting cavity is formed by the surrounding plate and the motor rear end cover; at least one section of the enclosing plate is provided with a phase line mounting plate, and a phase line mounting hole and a signal line mounting hole are formed in the surface of the phase line mounting plate in a penetrating mode; the phase line mounting hole and the signal line mounting hole are respectively provided with a phase line gland head and a signal line gland head which are matched with each other; a phase line hole, a signal line hole and a terminal post hole are formed in the surface of the rear end cover of the motor in the mounting cavity in a penetrating manner; the installation cavity is internally provided with the wiring mechanism which is fixedly arranged on the wiring post hole and used for connecting a three-phase wire joint of the motor with the phase wire gland head.

Further, the wiring mechanism includes terminal, binding post and fixation nut, the bolt of terminal for being provided with the external screw thread, with terminal hole screw-thread fit installation, binding post with fixation nut all installs inside the installation cavity to install from bottom to top in proper order on the terminal, fixation nut distance the free end certain distance of terminal.

Furthermore, the wiring structure further comprises an insulating pad column, and the insulating pad column is arranged between the surface of the rear end cover of the motor and the wiring terminal.

Further, every wiring mechanism all is provided with two binding post, binding post next-door neighbour fold and fall install on the binding post to be certain contained angle setting, fastening nut be used for with binding post keeps contained angle fixed mounting is in on the binding post.

Furthermore, the mounting structure further comprises a sealing plate, and the sealing plate is mounted on the opening end face of the mounting cavity and is fixed with the opening end face of the mounting cavity in a sealing manner.

Further, a sealing ring is arranged between the sealing plate and the opening end face of the mounting cavity; the phase line gland head and the signal line gland head are respectively provided with a matched gland head locking cap, and a sealing ring is arranged between the gland head locking cap and the phase line gland head and the signal line gland head.

Furthermore, the phase line hole and the signal line hole are arranged to be waist-shaped holes and are provided with insulating O-shaped rings; the control signal line of motor is provided with the shielding layer, the shielding layer both ends respectively with motor rear end cap and motor controller shell are connected.

Furthermore, the three-phase leading-out wire connector of the motor is fixedly welded with the wiring terminal through a cold welding machine, and the coaming and the motor rear end cover are integrally formed.

Furthermore, the end face of the free end of the binding post is marked with a motor phase line mark.

The utility model provides a motor, is equipped with motor phase line mounting structure, can guarantee the fastening nature and the reliability that the pencil is connected, reinforcing motor waterproof performance avoids the motor to damage.

The utility model has the advantages that:

1. the bounding wall forms the installation cavity with motor rear end cap sealing connection, the installation cavity is connected through the glan head that sets up on the bounding wall with external power source, the glan head passes through glan head locking cap locking pencil, make the pencil not produce axial displacement and radial rotation, can guarantee the fastening nature and the reliability that the pencil is connected, promote waterproof performance, it is confined space to have guaranteed the installation cavity, effectively avoid moisture and dust to get into the installation cavity, avoid causing the interference to motor three-phase line connection, avoid the motor to damage, motor performance has also been promoted in the time of extension motor life.

2. Three phase lines of the motor are mutually independent, led out from the phase line holes and connected with the binding post through the binding post; a Hall signal wire of the motor is led out through a signal wire hole; the three-phase line of the motor is connected with the binding post, the binding post is connected with the phase line gland head, and meanwhile, the Hall signal line of the motor is connected with the signal line gland head. The three-phase line and the Hall signal line of the motor are led to the outside of the installation cavity through the Glan head, so that the wiring is convenient to produce.

3. Three phase lines of the motor are led out from the phase line holes, and the phase line holes are arranged to be kidney-shaped holes, so that the phase lines of the motor can be separated, the heat dissipation difficulty caused by the close proximity of the phase lines is avoided, and the motor fault caused by the damage of the phase lines is avoided; and the wiring terminals mutually form a certain included angle, so that the heat dissipation performance of the phase line of the motor is further improved, and the performance of the motor is also further improved.

Drawings

FIG. 1: the utility model discloses a schematic diagram of a wiring mechanism;

FIG. 2: the utility model discloses a phase line installation mechanism schematic diagram (1);

FIG. 3: the utility model discloses a phase line installation mechanism schematic diagram (2);

FIG. 4: the utility model discloses a phase line installation mechanism schematic diagram (3);

FIG. 5 is a schematic view of: the utility model discloses the whole schematic diagram of phase line installation.

In the figure: 1-motor rear end cover, 11-phase wire hole, 12-signal wire hole, 13-terminal post hole, 2-coaming, 21-phase wire mounting plate, 22-phase wire mounting hole, 23-signal wire mounting hole, 24-phase wire gland head, 25-signal wire gland head, 26-phase wire gland head locking cap, 27-signal wire gland head locking cap, 28-mounting post, 3-wiring mechanism, 31-terminal post, 32-insulating pad post, 33-wiring terminal, 34-fixing nut, 4-sealing plate and 5-mounting chamber.

Detailed Description

The present invention will be described in detail below by way of examples with reference to the accompanying drawings.

It should be noted that certain terms are used throughout the specification to refer to particular components, and those skilled in the art will understand that various terms may be used to refer to the same component. This specification does not intend to distinguish between components that differ in noun but not function. The use of "including" or "comprising" in this specification is meant to be open-ended, and thus should be interpreted to mean "including, but not limited to.

As shown in the figure, the motor phase line mounting structure comprises a motor rear end cover 1, a coaming 2, a wiring mechanism 3 and a sealing plate 4.

The coaming 2 is arranged on the outer surface of the motor rear end cover 1, the bottom of the coaming is attached to the outer surface of the motor rear end cover 1, and the coaming is fixedly connected with the motor rear end cover 1 through bolts. The thickness of the coaming 2 is 5-10mm, the height is 60-80mm, the coaming is made of insulating materials, and nylon plastics are selected preferably, and have the characteristics of high mechanical strength, acid and alkali resistance, high and low temperature impact resistance and difficult aging.

The coaming 2 and the motor rear end cover 1 form an installation cavity 5, and in order to prevent moisture and dust from entering the installation cavity 5, the joint of the coaming 2 and the motor rear end cover 1 is sealed by sealant. Preferably, the shroud 2 and the motor rear end cover 1 are integrally formed.

At least one section of the enclosing plate 2 is provided with a phase line mounting plate 21. The phase line mounting plate 21 is set to be a regular rectangular plane, and is provided with 3 phase

line mounting holes

22 and 1 signal line mounting hole 23 in a penetrating manner, and the diameter of the signal line mounting hole 23 is smaller than that of the phase line mounting hole 22. Phase line mounting hole 22 and signal line mounting hole 23 are the straight line and arrange, and preferred signal line mounting hole 23 sets up in the outside, and the installation of motor phase line and hall signal line is convenient for.

On the outer side surface of the phase line mounting plate 21, a phase line glan head 24 and a signal line glan head 25 are mounted corresponding to the phase line mounting hole 22 and the signal line mounting hole 23, respectively. In order to further improve the waterproof performance of the installation chamber 5, the phase line gland head 24 and the signal line gland head 25 are fastened outside the installation chamber 5 through a matched phase line gland head locking cap 26 and a matched signal line gland head locking cap 27, and a sealing rubber ring is arranged between the locking caps and the gland heads; and coating sealant inside the mounting chamber 5 to perform waterproof sealing on the phase wire mounting hole 22 and the signal wire mounting hole 23.

The designation "glan head" is used here. The gland head is also called a waterproof cable joint or a cable fixing head, is widely applied to the fixing and protection of wires and cables of mechanical equipment electrical, ship electrical and corrosion-resistant equipment, and mainly plays a role in fastening and sealing the cables. The fastening means that the cable is locked through the Glan, so that the cable does not generate axial displacement and radial rotation, and the normal connection of the cable is ensured; sealing refers to the commonly referred to IP protection, i.e. dust and water. The Glan head is divided into a plastic material and a metal material according to the material, the plastic material mainly uses a nylon material, the metal material mainly uses brass, and nickel plating is frequently carried out for corrosion prevention. The glan head is a connecting structure which is commonly used and maturely used in the motor production industry, and the structure and the function of the connecting structure are not described in the specification.

Inside the installation chamber 5, the motor rear end cover 1 is provided with 3

phase holes

11, 1

signal line hole

12 and 3 terminal post holes 13. The phase line holes 11, the signal line holes 12 and the terminal post holes 13 are randomly distributed, so that the phase lines of the motor can be conveniently connected, and preferably, the terminal post holes 13 are arranged in a one-to-one correspondence and close to the phase line holes 11.

The wiring mechanism 3 includes a wiring terminal 31, an insulating spacer 32, a wiring terminal 33, and a fixing nut 34.

Wherein, the first and the second end of the pipe are connected with each other,

the terminal 31 is a bolt provided with an external thread, and the terminal hole 13 is provided with an internal thread matched with the external thread of the terminal 31. After the terminal 31 is matched and installed with the terminal hole 13, the free end of the terminal is higher than the bottom surface of the installation chamber 5 by a certain distance.

The insulating pad column 32, the wiring terminal 33 and the fixing nut 34 are all installed inside the installation chamber 5 and are sequentially installed on the wiring terminal 31 from bottom to top.

After the installation is finished, the fixing nut 34 is away from the free end of the binding post 31 by a certain distance; the insulating pad column 32 is tightly attached to the surface of the motor rear end cover 1 and used for preventing the wiring terminal 33 from contacting with the motor rear end cover 1.

Each wiring mechanism 3 is provided with two wiring terminals 33, and the wiring terminals 33 are closely and overlappingly arranged on the wiring terminals and are arranged at a certain included angle; the fastening nut 34 is used for fixedly mounting the wiring terminal 33 on the wiring terminal 31 with the included angle maintained.

The sealing plate 4 is used for being installed on the opening end face of the installation cavity 5 in a matched mode, a plurality of installation columns 28 are arranged on the outer side face of the enclosing plate 2 at certain intervals, and the sealing plate and the opening end face of the installation cavity 5 are fixedly connected through bolts. In order to ensure the sealing performance between the sealing plate 4 and the mounting chamber 5, a sealing ring is arranged between the sealing plate 4 and the opening end surface of the mounting chamber 5.

The invention is further described below in the context of specific usage descriptions.

After the winding of the motor coil is finished, 6 phase line connectors are led out, namely a head end connector and a tail end connector of a three-phase line are connected, and each phase line is provided with a head end connector and a tail end connector. The head end connector and the tail end connector of each phase line penetrate out of the same phase line hole 11 and are respectively connected with two connecting terminals 33 on the adjacent connecting terminals 31. The hall signal line of the motor penetrates out of the signal line hole 12.

The binding posts 31 correspond to the phase line mounting holes 22 one by one, and the binding posts 31 are connected with the corresponding phase line gland heads 24 through electric wires; the hall signal wires are connected to the signal wire glan head 25 through electric wires.

The phase line glan head 24 is used for being connected with an external power supply to provide electric energy for the motor; the signal wire gland head 25 is used for connecting an electric tricycle controller and receiving and feeding back a motor Hall signal.

In this embodiment, a motor, it installs the utility model discloses a motor phase line mounting structure described can guarantee the fastening nature and the reliability that the pencil is connected, and reinforcing motor waterproof performance avoids the motor to damage.

In the above-described embodiment of the present invention,

preferably, the end face of the free end of the binding post 31 is marked with a motor phase line identifier for quickly installing and identifying the motor phase line.

Preferably, the insulating pad post 32 is made of a high temperature resistant insulating material, such as ceramic.

Preferably, the phase line hole 11 and the signal line hole 12 are arranged to be waist-shaped holes, and are provided with insulating O-shaped rings, so that mutual interference between the phase lines is prevented, friction between the phase lines and a rear end cover of the motor is avoided, and heat dissipation of the phase lines is facilitated.

Preferably, the three-phase outgoing line joint of the motor is welded and fixed with the wiring terminal through a cold welding machine.

Preferably, the control signal line adopts a multi-core wire with a shielding layer, and two ends of the shielding layer of the control signal line are respectively connected with the motor rear end cover and the motor controller shell.

Preferably, the company LOGO is arranged on the upper surface of the sealing plate 4 of the rear end cover of the motor.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A phase line mounting structure of a motor is characterized by comprising a motor rear end cover (1), a coaming (2) and a wiring mechanism (3),

the coaming (2) is fixedly arranged on the outer surface of the motor rear end cover (1), the bottom of the coaming is attached and sealed with the outer surface of the motor rear end cover (1), and the coaming (2) and the motor rear end cover (1) form an installation chamber (5);

at least one section of the surrounding plate (2) is provided with a phase line mounting plate (21), and a phase line mounting hole (22) and a signal line mounting hole (23) are formed in the surface of the phase line mounting plate (21) in a penetrating mode;

the phase line mounting hole (22) and the signal line mounting hole (23) are respectively provided with a phase line gland head (24) and a signal line gland head (25) which are matched with each other;

a phase line hole (11), a signal line hole (12) and a terminal post hole (13) are formed in the surface of the motor rear end cover (1) in the mounting cavity (5) in a penetrating manner; installation cavity (5) inside still is equipped with wiring mechanism (3), wiring mechanism (3) fixed mounting be in on terminal hole (13), be used for connecting the motor three-phase line connect with phase line glan head (24).

2. An electric machine phase line mounting structure according to claim 1, characterized in that wiring mechanism (3) includes a terminal post (31), a wiring terminal (33) and a fixing nut (34), the terminal post (31) is a bolt provided with an external thread, and is mounted in threaded fit with the terminal post hole (13), the wiring terminal (33) and the fixing nut (34) are both mounted inside the mounting chamber (5) and are sequentially mounted on the terminal post (31) from bottom to top, and the fixing nut (34) is at a distance from a free end of the terminal post (31).

3. An electric machine phase line mounting arrangement according to claim 2, characterised in that the connection means (3) further comprises an insulating spacer (32), the insulating spacer (32) being arranged between the surface of the electric machine rear end cap (1) and the terminal block (33).

4. An electric machine phase line mounting arrangement according to claim 3, characterised in that each connection mechanism (3) is provided with two connection terminals (33), the connection terminals (33) being mounted on the terminal (31) in close proximity to each other and at an included angle, the fixing nut (34) being adapted to hold the connection terminals (33) at the included angle fixed on the terminal (31).

5. An electric machine phase wire mounting structure according to claim 2, characterized in that the mounting structure further comprises a sealing plate (4), the sealing plate (4) is mounted on the open end face of the mounting chamber (5) and is fixed in sealing manner with the open end face of the mounting chamber (5).

6. An electric machine phase line mounting structure according to claim 5, characterized in that a sealing ring is provided between the sealing plate (4) and the open end face of the mounting chamber (5); phase line glan head (24) and signal line glan head (25) are equipped with complex glan head locking cap respectively, glan head locking cap with be equipped with the sealing washer between phase line glan head (24) and signal line glan head (25).

7. A phase line mounting structure for an electric machine according to claim 2, characterised in that said phase (11) and signal (12) holes are provided as waisted holes, fitted with insulating O-rings; the control signal line of motor is provided with the shielding layer, the shielding layer both ends respectively with motor rear end cap (1) and motor controller shell are connected.

8. The phase line mounting structure of an electric motor according to claim 2, wherein the three-phase lead wire connector of the electric motor is welded and fixed with the wiring terminal (33) by a cold welding machine, and the coaming (2) and the rear end cover (1) of the electric motor are integrally formed.

9. An electric machine phase wire mounting structure according to claim 2, characterized in that the end face of the free end of the terminal post (31) is imprinted with an electric machine phase wire identification.

10. An electrical machine comprising a phase line mounting arrangement for an electrical machine according to any one of claims 1 to 9.