CN215934601U

CN215934601U - Good-sealing-performance water-inflow-prevention motor shell of electric vehicle

Info

Publication number: CN215934601U
Application number: CN202122371800.2U
Authority: CN
Inventors: 盛辉
Original assignee: Jiangsu Shenglian Aluminum Co ltd
Current assignee: Jiangsu Shenglian Aluminum Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-01
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a water-inlet-proof motor shell of an electric vehicle, which comprises a hub, wherein a bearing shell is arranged in the hub, a rear end cover is arranged on the front surface of the bearing shell, a motor body is arranged between the rear end cover and the bearing shell, and a sealing positioning device is arranged between the rear end cover and the bearing shell; sealed positioner includes the spacing lantern ring, and the fixed position lantern ring that has cup jointed of outer wall of rear end cover, the outer wall and the slip joint of the spacing lantern ring of the position lantern ring, the front of the spacing lantern ring is that the annular array equidistance is provided with a plurality of positioning bolt, the spacing lantern ring passes through positioning bolt and bears shell fixed connection. The utility model utilizes the arrangement mode of the sealing and positioning device, the sealing and positioning device comprises a limiting sleeve ring, a positioning sleeve ring and a positioning bolt, and the limiting sleeve ring can limit the positions of the positioning sleeve ring and the rear end cover under the action of the positioning bolt, so that a bolt connecting hole is not formed between the rear end cover and the bearing shell, and the sealing property of the bearing shell is improved.

Description

Good-sealing-performance water-inflow-prevention motor shell of electric vehicle

Technical Field

The utility model relates to the field of motor shells, in particular to a water-inlet-proof motor shell of an electric vehicle, which has good sealing performance.

Background

The electric vehicle motor is a device for converting electric energy into mechanical energy, in the process of assembling the whole electric vehicle, the quality of the motor directly determines the performance of the whole electric vehicle, the electric vehicle motor is different in form according to different use environments and use frequencies, and different forms of motors are different in characteristics.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water-proof electric vehicle motor shell with good sealing performance so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a waterproof electric vehicle motor shell with good sealing performance comprises a hub, wherein a bearing shell is arranged inside the hub, a rear end cover is arranged on the front surface of the bearing shell, a motor body is arranged between the rear end cover and the bearing shell, and a sealing positioning device is arranged between the rear end cover and the bearing shell;

the sealing and positioning device comprises a limiting sleeve ring, a positioning sleeve ring is fixedly sleeved on the outer wall of the rear end cover, the outer wall of the positioning sleeve ring is in sliding clamping connection with the limiting sleeve ring, the front face of the limiting sleeve ring is provided with a plurality of positioning bolts in an annular array equidistance mode, and the limiting sleeve ring is fixedly connected with the bearing shell through the positioning bolts.

Preferably, the inside of one side of the limiting sleeve ring is provided with a clamping groove, the outer wall of the positioning sleeve ring is in sliding clamping connection with the inner cavity of the clamping groove, and a first sealing leather pad is arranged between the positioning sleeve ring and the limiting sleeve ring.

Preferably, a plurality of locating grooves are formed in the inner wall of the clamping groove at equal intervals, and sealing lantern rings are fixedly sleeved in inner cavities of the locating grooves.

Preferably, the front equidistance fixedly connected with a plurality of locating levers of the position sleeve ring, the outer wall of locating lever and the inner chamber of constant head tank slip and cup joint.

Preferably, a second sealing leather gasket is arranged between the limiting sleeve ring and the bearing shell, and a third sealing leather gasket is arranged between the positioning sleeve ring and the bearing shell.

Preferably, the outer wall of bearing the weight of the shell is a plurality of dead levers of annular array equidistance fixedly connected with, the one end and the wheel hub fixed connection of dead lever.

The utility model has the technical effects and advantages that:

1. according to the utility model, the arrangement mode of the sealing and positioning device is utilized, the sealing and positioning device comprises the limiting sleeve ring, the positioning sleeve ring and the positioning bolt, and the limiting sleeve ring can limit the positions of the positioning sleeve ring and the rear end cover under the action of the positioning bolt, so that a bolt connecting hole is not formed between the rear end cover and the bearing shell, and the sealing property of the rear end cover and the bearing shell is improved;

2. according to the utility model, by utilizing the arrangement mode of the positioning rod, the positioning rod can ensure the stability between the positioning sleeve ring and the limiting sleeve ring, so that the stability between the rear end cover and the bearing shell is ensured, and the first sealing leather gasket, the sealing sleeve ring, the second sealing leather gasket and the third sealing leather gasket improve the sealing property between the rear end cover and the bearing shell again.

Drawings

FIG. 1 is a schematic front view of the present invention.

FIG. 2 is a schematic side view of the present invention.

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

In the figure: 1. a hub; 2. a load bearing housing; 3. a rear end cap; 4. a sealing and positioning device; 41. a limiting lantern ring; 42. a positioning collar; 43. positioning the bolt; 44. a first sealing leather gasket; 45. positioning a rod; 46. a sealing collar; 47. a second sealing leather pad; 48. a third sealing leather gasket; 5. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a water-inlet-proof electric vehicle motor shell with good sealing performance, which is shown in figures 1-3 and comprises a wheel hub 1, wherein a bearing shell 2 is arranged inside the wheel hub 1, a rear end cover 3 is arranged on the front surface of the bearing shell 2, a motor body is arranged between the rear end cover 3 and the bearing shell 2, and a sealing positioning device 4 is arranged between the rear end cover 3 and the bearing shell 2.

Sealed positioner 4 includes spacing lantern ring 41, spacing lantern ring 41 utilizes positioning bolt 43 and bears 2 fixed connection of shell, thereby carry out the position to positioning lantern ring 42 and rear end cap 3 and prescribe a limit to, thereby make rear end cap 3 and bear the gap that the shell 2 junction does not have bolted connection, thereby guarantee the leakproofness between it, the fixed positioning lantern ring 42 that has cup jointed of outer wall of rear end cap 3, the outer wall and the 41 slip joint of spacing lantern ring of positioning lantern ring 42, the front of spacing lantern ring 41 is the annular array equidistance and is provided with a plurality of positioning bolt 43, spacing lantern ring 41 passes through positioning bolt 43 and bears shell 2 fixed connection.

A clamping groove is arranged in one side of the limiting sleeve ring 41, the outer wall of the positioning sleeve ring 42 is in sliding clamping connection with the inner cavity of the clamping groove, a first sealing leather pad 44 is arranged between the positioning sleeve ring 42 and the limiting sleeve ring 41, a plurality of positioning grooves are arranged on the inner wall of the clamping groove at equal intervals, sealing sleeve rings 46 are fixedly sleeved in the inner cavities of the positioning grooves, a plurality of positioning rods 45 are fixedly connected with the front surface of the positioning sleeve ring 42 at equal intervals, the positioning rods 45 can ensure the stability between the rear end cover 3 and the bearing shell 2 and avoid the relative rotation of the rear end cover 3 and the bearing shell 2, the outer walls of the positioning rods 45 are in sliding sleeve connection with the inner cavities of the positioning grooves, a second sealing leather pad 47 is arranged between the limiting sleeve ring 41 and the bearing shell 2, a third sealing leather pad 48, a first sealing leather pad 44 and a sealing sleeve ring 46 are arranged between the positioning sleeve ring 42 and the bearing shell 2, the second and third sealing

bellows

47, 48 again improve the seal between the rear end cap 3 and the support housing 2.

The outer wall that bears shell 2 is a plurality of dead levers 5 of annular array equidistance fixedly connected with, the one end and the 1 fixed connection of wheel hub of dead lever 5.

The working principle of the utility model is as follows: when installing it, at first install the inside at bearing housing 2 with motor body, then with the position collar 42 of rear end housing 3 outer wall with the draw-in groove sliding sleeve on the spacing lantern ring 41, and place a first sealed leather packing 44 between position collar 42 and spacing lantern ring 41, and make the inner chamber sliding sleeve of locating lever 45 and constant head tank cup joint, then laminate spacing lantern ring 41 and bearing housing 2 mutually, and place second sealed leather packing 47 and third sealed leather packing 48 once between spacing collar 41 and position collar 42 and bearing housing 2, it can with bearing housing 2 fixed connection to use positioning bolt 43 at last, thereby just can make no bolted connection's gap between rear end housing 3 and the bearing housing 2, thereby improve its leakproofness.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The waterproof electric vehicle motor shell with good sealing performance comprises a wheel hub (1) and is characterized in that a bearing shell (2) is arranged inside the wheel hub (1), a rear end cover (3) is arranged on the front surface of the bearing shell (2), a motor body is arranged between the rear end cover (3) and the bearing shell (2), and a sealing positioning device (4) is arranged between the rear end cover (3) and the bearing shell (2); sealed positioner (4) include spacing lantern ring (41), the fixed position lantern ring (42) that has cup jointed of outer wall of rear end cap (3), the outer wall and the spacing lantern ring (41) slip joint of position lantern ring (42), the front of spacing lantern ring (41) is the annular array equidistance and is provided with a plurality of positioning bolt (43), spacing lantern ring (41) are through positioning bolt (43) and bear shell (2) fixed connection.

2. The waterproof motor casing for the electric vehicle with good sealing performance as claimed in claim 1, wherein a clamping groove is formed in one side of the limiting collar (41), the outer wall of the positioning collar (42) is in sliding clamping connection with the inner cavity of the clamping groove, and a first sealing leather gasket (44) is arranged between the positioning collar (42) and the limiting collar (41).

3. The waterproof motor casing for the electric vehicle with good sealing performance as claimed in claim 2, wherein a plurality of positioning grooves are formed in the inner wall of the clamping groove at equal intervals, and a sealing sleeve ring (46) is fixedly sleeved in the inner cavity of each positioning groove.

4. The waterproof motor casing of the electric vehicle with good sealing performance as claimed in claim 2, wherein a plurality of positioning rods (45) are fixedly connected to the front surface of the positioning sleeve ring (42) at equal intervals, and the outer walls of the positioning rods (45) are slidably sleeved with the inner cavities of the positioning grooves.

5. The electric motor casing of the waterproof electric vehicle with good sealing performance as claimed in claim 1, wherein a second sealing leather gasket (47) is arranged between the limiting collar (41) and the bearing casing (2), and a third sealing leather gasket (48) is arranged between the positioning collar (42) and the bearing casing (2).

6. The good-sealing water-inlet-proof motor casing for the electric vehicle as claimed in claim 1, wherein the outer wall of the bearing casing (2) is in an annular array and fixedly connected with a plurality of fixing rods (5) at equal intervals, and one end of each fixing rod (5) is fixedly connected with the hub (1).