CN110943563A

CN110943563A - Motor housing sealing structure of electric tricycle

Info

Publication number: CN110943563A
Application number: CN201911097439.XA
Authority: CN
Inventors: 连长春; 刘绍庆; 王科东; 杨凯
Original assignee: Xuzhou Honour Electromechanical Co Ltd
Current assignee: Xuzhou Honour Electromechanical Co Ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-03-31

Abstract

The invention discloses a motor shell sealing structure of an electric tricycle, and relates to the technical field of tricycles motors. The invention comprises a shell, wherein a front end cover and a rear end cover are respectively and fixedly connected with two ends of the shell, and sealing rings are clamped between the front end cover and the shell and between the rear end cover and the shell; the peripheral side surface of the rear end cover is communicated with a wire inlet tube; a sealing sleeve is sleeved in the wire inlet cylinder; the outer wall of the sealing ring is provided with a sealing lip; the inner wall arrays of the sealing rings are provided with first check rings; the outer wall arrays of the sealing rings are provided with second check rings; the outer wall arrays of the sealing sleeves are provided with third check rings; the inner wall arrays of the sealing sleeves are provided with fourth check rings. According to the invention, the first retaining ring and the second retaining ring are respectively used for carrying out multiple sealing on the gaps among the front end cover, the rear end cover and the shell, and the third retaining ring and the fourth retaining ring are used for carrying out multiple sealing on the gap between the motor lead wire and the wire inlet cylinder, so that a good sealing effect is achieved on the tricycle motor, and the normal operation of the tricycle motor is ensured.

Description

Motor housing sealing structure of electric tricycle

Technical Field

The invention belongs to the technical field of tricycle motors, and particularly relates to a motor shell sealing structure of an electric tricycle.

Background

The motor is almost applied in all industries of modern society, no matter industry, agriculture, transportation or family life, the motor can not be used, the application range of the motor is wide, the requirements of the protection grade of the motor are different, and the protection capability of the motor is particularly important when the motor is in an open space due to the fact that the motor realizes the conversion of electric quantity and mechanical energy.

Electric tricycle goes the in-process at the rainy day, has on a large amount of rainwater adheres to the motor, because generally adopt O shape sealing washer to carry out the individual layer between tricycle motor front end housing and rear end cap and the shell and seal, inside the very easy seepage of rainwater entered the shell, caused the tricycle motor to become invalid, the normal trip of passerby is ridden in the influence.

Disclosure of Invention

The invention aims to provide a motor shell sealing structure of an electric tricycle, which solves the problem of poor sealing performance of the existing tricycle motor through the structural design of a sealing ring and a sealing sleeve.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a motor shell sealing structure of an electric tricycle, which comprises a shell, wherein a front end cover and a rear end cover are fixedly connected to two ends of the shell respectively, and sealing rings are clamped between the front end cover and the shell and between the rear end cover and the shell; the peripheral side surface of the rear end cover is communicated with a wire inlet tube; a sealing sleeve is sleeved in the wire inlet cylinder; the outer wall of the sealing ring is provided with a sealing lip; the array on the inner wall of the sealing ring and on the two sides of the sealing lip is provided with a first retaining ring; second check rings are arranged on the outer wall of the sealing ring and positioned on two sides of the second sealing lip in an array mode; the outer wall arrays of the sealing sleeves are provided with third check rings; and the inner wall arrays of the sealing sleeves are provided with fourth check rings.

Furthermore, first ring grooves matched with the first retaining ring and the second retaining ring are formed among the opposite surfaces of the shell, the front end cover and the rear end cover; the outer side of the first ring groove is provided with a second ring groove matched with the sealing lip.

Furthermore, the cross sections of the first retainer ring, the second retainer ring, the third retainer ring and the fourth retainer ring are all in barb-shaped structures.

Furthermore, one end of the wire inlet tube, which is far away from the rear end cover, is provided with a limiting ring matched with the sealing sleeve.

The invention has the following beneficial effects:

according to the invention, through the structural design of the sealing ring and the sealing sleeve, the first retaining ring and the second retaining ring on the inner side and the outer side of the sealing ring respectively carry out multiple sealing on the connecting gap between the front end cover, the rear end cover and the shell, and the third retaining ring and the fourth retaining ring on the inner side and the outer side of the sealing sleeve carry out multiple sealing on the connecting gap between the motor lead wire and the wire inlet cylinder, so that a good sealing effect is achieved on the tricycle motor, rainwater is effectively prevented from leaking into the motor, and the normal operation of the tricycle motor is ensured.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a motor housing sealing structure of an electro-tricycle according to the present invention;

FIG. 2 is a cross-sectional view of a motor housing seal arrangement for an electro-tricycle;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic structural view of a seal ring;

FIG. 5 is a schematic structural view of the rear end cap;

FIG. 6 is a schematic view of the seal cartridge;

in the drawings, the components represented by the respective reference numerals are listed below:

1-shell, 2-front end cover, 3-rear end cover, 4-sealing ring, 5-wire inlet cylinder, 6-sealing sleeve, 7-first ring groove, 8-second ring groove, 401-sealing lip, 402-first retainer ring, 403-second retainer ring, 501-limiting ring, 601-third retainer ring, and 602-fourth retainer ring.

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.

Referring to fig. 1-6, the present invention relates to a motor housing sealing structure for an electric tricycle, which comprises a housing 1, a front cover 2 and a rear cover 3 fixedly connected to two ends of the housing 1 respectively,

sealing rings 4 are clamped between the front end cover 2 and the shell 1 and between the rear end cover 3 and the shell 1; the peripheral side surface of the rear end cover 3 is communicated with a wire inlet tube 5; a sealing sleeve 6 is sleeved in the wire inlet tube 5;

the outer wall of the sealing ring 4 is provided with a sealing lip 401; the inner wall of the sealing ring 4 and the two sides of the sealing lip 401 are both provided with a first retainer ring 402 in an array manner; second retaining rings 403 are arranged on the outer wall of the sealing ring 4 and located on two sides of the second sealing lip 401 in an array manner;

the outer wall arrays of the sealing sleeve 6 are provided with third retaining rings 601; the inner wall arrays of the sealing sleeve 6 are all provided with fourth retaining rings 602.

As shown in fig. 1, 4 and 5, first ring grooves 7 matched with the first retaining ring 402 and the second retaining ring 403 are formed among the opposite surfaces of the shell 1, the front end cover 2 and the rear end cover 3; the outer side of the first ring groove 101 is provided with a second ring groove 8 matched with the sealing lip 401.

As shown in fig. 4, 5 and 6, the cross sections of the first retainer ring 402, the second retainer ring 403, the third retainer ring 601 and the fourth retainer ring 602 are all barb-shaped structures, and when the sealing ring 4 is inserted into the first annular groove 7, the first retainer ring 402, the second retainer ring 403, the third retainer ring 601 and the fourth retainer ring 602 are deformed to fit with the inner wall of the first annular groove 7, thereby achieving the effect of multiple sealing.

As shown in fig. 3, a limiting ring 501 matched with the sealing sleeve 6 is arranged at one end of the wire inlet tube 5, which is far away from the rear end cover 3, the sealing sleeve 6 is inserted into the wire inlet tube from the inside of the rear end cover 3, and the limiting ring 501 limits the wire inlet of the sealing sleeve 6.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an electric tricycle motor housing seal structure, includes casing (1), casing (1) both ends difference fixedly connected with front end housing (2) and rear end cap (3), its characterized in that:

sealing rings (4) are clamped between the front end cover (2) and the shell (1) and between the rear end cover (3) and the shell; the peripheral side surface of the rear end cover (3) is communicated with a wire inlet tube (5); a sealing sleeve (6) is sleeved in the wire inlet tube (5);

the outer wall of the sealing ring (4) is provided with a sealing lip (401); the inner wall of the sealing ring (4) and the two sides of the sealing lip (401) are provided with first check rings (402) in an array manner; second check rings (403) are arranged on the outer wall of the sealing ring (4) and positioned on two sides of the first sealing lip (401) in an array manner;

the outer wall arrays of the sealing sleeves (6) are provided with third check rings (601); and the inner wall arrays of the sealing sleeve (6) are provided with fourth retaining rings (602).

2. The electro-tricycle motor housing sealing structure according to claim 1, characterized in that a first ring groove (7) matched with the first retaining ring (402) and the second retaining ring (403) is formed among the opposite surfaces of the shell (1), the front end cover (2) and the rear end cover (3); the outer side of the first ring groove (101) is provided with a second ring groove (8) matched with the sealing lip (401).

3. The electro-tricycle motor housing seal structure according to claim 1, characterized in that the cross sections of the first retaining ring (402), the second retaining ring (403), the third retaining ring (601) and the fourth retaining ring (602) are all barb-shaped structures.

4. The electric tricycle motor housing sealing structure according to claim 1, characterized in that a limiting ring (501) matched with the sealing sleeve (6) is arranged at one end of the wire inlet tube (5) far away from the rear end cover (3).