CN217159386U

CN217159386U - Motor stator support

Info

Publication number: CN217159386U
Application number: CN202220666430.7U
Authority: CN
Inventors: 倪捷; 朱正虎; 姚国柱; 李杨; 吴启皇; 刘凯; 王晓飞
Original assignee: Zhejiang Luyuan Electric Vehicle Co Ltd
Current assignee: Zhejiang Luyuan Electric Vehicle Co Ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-08-09
Anticipated expiration: 2032-03-24

Abstract

The utility model relates to a motor stator support, including motor shaft, motor stator support, adopt the key-type connection between motor stator support and the motor shaft, be provided with the shaft hole that is used for passing the cable on the motor shaft, the shaft hole traverses the motor stator support left and right sides, and the one end in shaft hole is provided with the storage of counter bore form and glues the cavity, stores up and glues the cavity and locate and be close to motor stator support and motor shaft junction. The utility model is provided with the counter bore-shaped glue storage cavity at one end of the shaft hole, on one hand, a containing space is provided for the wire distributing position of the head of the cable, and the head of the cable can be sealed in the glue storage cavity; on the other hand, the silica gel can be accumulated in the gel storage cavity to achieve a better sealing effect, so that the hidden danger of oil leakage and water inflow is eliminated.

Description

Motor stator support

Technical Field

The utility model relates to an in-wheel motor especially relates to a motor stator support.

Background

Along with its structure of the current electric two-wheeled vehicle in market maturity gradually is unified gradually, wheel hub motor mainly comprises stator module, wheel hub subassembly, side cover subassembly and cable, and wherein the side cover of motor generally is two, directly assembles in motor wheel rim both sides with the screw fastening, and the cable is punched on by the motor shaft, inside introducing the motor through the shaft hole to adopt silica gel to seal. The existing hub motor has the following problems when a cable is introduced into the motor: 1. the sealing problem in the shaft hole, the sealing work of the shaft hole is manually coated, and the shaft hole belongs to flow production, so that the consistency of products is difficult to ensure, and the risk of water inlet or liquid leakage exists; 2. the head of the cable is dispersed into a plurality of independent wires, and cooling oil in the motor easily enters the cable from the head of the cable and permeates to the outside of the motor along the insulating rubber sleeve, so that the heat dissipation performance of the motor is reduced due to the reduction of the cooling oil in the past, and the service life of the motor is influenced. Improvements in the two points described above are needed.

Disclosure of Invention

The utility model discloses to because of the sealed not in place and the sealed not in place of cable in the shaft hole among the prior art, the risk of intaking or weeping that leads to provides a new motor stator support.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

a motor stator support comprises a motor shaft and a motor stator support, wherein the motor stator support is in key connection with the motor shaft, a shaft hole used for penetrating a cable is formed in the motor shaft, the shaft hole penetrates through the left side and the right side of the motor stator support, a counter-bore-shaped glue storage cavity is arranged at one end of the shaft hole, and the glue storage cavity is arranged at a position close to the connection position of the motor stator support and the motor shaft.

The utility model is provided with the counter bore-shaped glue storage cavity at one end of the shaft hole, on one hand, a containing space is provided for the wire distributing position of the head of the cable, and the head of the cable can be sealed in the glue storage cavity; on the other hand, the silica gel can be accumulated in the gel storage cavity to achieve a better sealing effect, so that oil leakage and water inlet hidden troubles are eliminated.

Preferably, the motor stator support further comprises a colloid flow direction stop block, the colloid flow direction stop block is sleeved on the motor shaft and clamped with the motor stator support, a flow guide groove is formed in the colloid flow direction stop block, and the flow guide groove is communicated with the colloid storage cavity.

The colloid flows to setting up on the dog and stores up gluey cavity and be connected with the guiding gutter, makes the head of cable can be located the guiding gutter, and indirect increase stores up the space of gluing the cavity, promotes by a wide margin the utility model discloses sealed effect, extension motor life.

Preferably, the motor stator support further comprises a cavity blocking cover, the cavity blocking cover is annularly sleeved on the motor shaft, and the cavity blocking cover seals the outer side.

The cavity keeps off the lid and plays and shelters from the guiding gutter, seals the effect of guiding inslot silica gel, also can carry out spacingly to the cable simultaneously.

Preferably, the motor stator support further comprises a clamp spring, a clamp groove corresponding to the clamp spring is formed in the motor shaft, and the clamp spring is fixed in the clamp groove and is abutted to the outer side of the cavity blocking cover.

Jump ring and draw-in groove cooperation, keep off the lid to the cavity and carry on spacingly, make the cavity keep off the stable laminating guiding gutter outside of lid, promote the utility model discloses an wholeness.

Preferably, in the motor stator bracket described above, a limit pin is disposed on one side of the cavity blocking cover, which is close to the colloid flow direction blocking block, a pin hole corresponding to the limit pin is disposed on the colloid flow direction blocking block, and the limit pin and the pin hole are matched with each other.

Spacing pin and pinhole make the colloid flow direction dog and cavity fender lid be in relative unified position all the time to further promote the utility model discloses an wholeness.

Preferably, in the above motor stator support, a gluing channel is arranged on the motor shaft, and the gluing channel extends from the outer surface of the motor shaft into the shaft hole.

The utility model discloses set up specially on the motor shaft and beat the gluey passageway for to injecting silica gel in the shaft hole, thereby fully seal the shaft hole, promote the utility model discloses a leakproofness.

Drawings

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

FIG. 2 is a schematic structural view of a stator frame portion of a motor according to the present invention;

fig. 3 is a cross-sectional view of the present invention.

Detailed Description

The invention will be described in further detail with reference to the accompanying figures 1-3 and the detailed description, but they are not intended to limit the invention:

example 1

The utility model provides a motor stator support, includes motor shaft 1, motor stator support 2 with adopt the key-type connection between the motor shaft 1, be provided with the shaft hole 11 that is used for passing the cable on the motor shaft 1, shaft hole 11 crosses motor stator support 2 left and right sides, the one end of shaft hole 11 is provided with the storage of counter bore form and glues cavity 13, store up gluey cavity 13 and locate and be close to motor stator support 2 with motor shaft 1 junction.

Preferably, the motor further comprises a colloid flow direction stop block 4, the colloid flow direction stop block 4 is sleeved on the motor shaft 1 and is clamped with the motor stator support 2, a flow guide groove 42 is formed in the colloid flow direction stop block 4, and the flow guide groove 42 is communicated with the colloid storage cavity 13.

Preferably, the motor further comprises a cavity blocking cover 3, the cavity blocking cover 3 is annularly sleeved on the motor shaft 1, and the cavity blocking cover 3 seals the outer side of the flow guide groove 42.

Preferably, the motor shaft 1 is provided with a clamping groove corresponding to the clamping spring 5, and the clamping spring 5 is fixed in the clamping groove and is abutted against the outer side of the cavity blocking cover 3.

Preferably, a limit pin 31 is disposed on one side of the cavity blocking cover 3 close to the colloid flow direction blocking block 4, a pin hole 41 corresponding to the limit pin 31 is disposed on the colloid flow direction blocking block 4, and the limit pin 31 and the pin hole 41 are matched with each other.

Preferably, the motor shaft 1 is provided with a gluing channel 12, and the gluing channel 12 extends from the outer surface of the motor shaft 1 to the shaft hole 11.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the present invention.

Claims

1. The utility model provides a motor stator support, includes motor shaft (1), motor stator support (2) with adopt the key-type connection between motor shaft (1), be provided with shaft hole (11) that are used for passing the cable on motor shaft (1), its characterized in that: the motor stator support (2) is provided with a shaft hole (11), the shaft hole (11) penetrates through the left side and the right side of the motor stator support (2), one end of the shaft hole (11) is provided with a counter bore-shaped glue storage cavity (13), and the glue storage cavity (13) is arranged at a position close to the connection part of the motor stator support (2) and the motor shaft (1).

2. A stator frame for an electrical machine according to claim 1, wherein: still include colloid flow direction dog (4), colloid flow direction dog (4) cover is established on motor shaft (1) and with motor stator support (2) block, colloid flow direction dog (4) are last to be provided with guiding gutter (42), guiding gutter (42) with store up gluey cavity (13) intercommunication.

3. A stator frame for an electrical machine according to claim 2, wherein: the motor shaft assembly is characterized by further comprising a cavity blocking cover (3), wherein the cavity blocking cover (3) is annularly sleeved on the motor shaft (1), and the cavity blocking cover (3) seals the outer side of the flow guide groove (42).

4. A stator frame for an electrical machine according to claim 3, wherein: still include jump ring (5), be provided with on motor shaft (1) with the corresponding draw-in groove of jump ring (5), jump ring (5) are fixed in the draw-in groove and with the outside of cavity fender lid (3) is inconsistent.

5. The stator frame of an electric machine according to claim 4, wherein: the cavity block cover (3) is close to one side of the colloid flow direction block (4) is provided with a limiting pin (31), the colloid flow direction block (4) is provided with a pin hole (41) corresponding to the limiting pin (31), and the limiting pin (31) is matched with the pin hole (41).

6. A stator frame for an electrical machine according to claim 1, wherein: the motor shaft (1) is provided with a gluing channel (12), and the gluing channel (12) extends into the shaft hole (11) from the outer surface of the motor shaft (1).