CN219018584U

CN219018584U - High-sealing wear-resistant motor shell

Info

Publication number: CN219018584U
Application number: CN202223170307.5U
Authority: CN
Inventors: 张信
Original assignee: Wenling Hongteng Machinery Co ltd
Current assignee: Wenling Hongteng Machinery Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-12
Anticipated expiration: 2032-11-28

Abstract

The utility model provides a high-sealing wear-resistant motor shell, and belongs to the field of motors. The motor housing solves the problem of a large gap at the assembly joint of the motor housing and the front end face. This high sealed wear-resisting motor casing, including motor casing and front end housing, be located and be provided with the seal fit structure that is used for improving seal strength and is convenient for eliminate the gap after the assembly between motor casing and the front end housing assembly face, be provided with the seal assembly who is used for improving seal strength between being located motor casing and the front end housing assembly face, the assembly groove one and the assembly groove two that are convenient for improve assembly strength have been seted up respectively on front end housing and the motor casing mutual assembly face, seal fit structure comprises a plurality of cooperation groove, a plurality of bellying and sealing member, and seal assembly is located between assembly groove one and the assembly groove two. The utility model has the advantages of high sealing strength, elimination of assembly connection gaps and high wear resistance.

Description

High-sealing wear-resistant motor shell

Technical Field

The utility model belongs to the field of motors, relates to a motor shell, and in particular relates to a high-sealing wear-resistant motor shell.

Background

In the prior art, most of the motor part of the water pump consists of a plurality of parts such as a stator, a rotor and a motor casing, and the stator and the rotor are all positioned in the inner cavity of the motor casing, so that in the actual installation process, a large gap is often formed at the joint between the motor casings and is difficult to treat, and when the water pump is used, water is easily fed into the gap, and then the normal work of the motor is affected.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a high-sealing wear-resistant motor shell.

The aim of the utility model can be achieved by the following technical scheme: the high-sealing wear-resistant motor shell comprises a motor shell and a front end cover assembled on the front end face of the motor shell, and is characterized in that a sealing fit structure which is used for improving sealing strength and is convenient for eliminating gaps after assembly is arranged between the motor shell and the front end cover assembly face, a sealing component which is used for improving sealing strength is arranged between the motor shell and the front end cover assembly face, an assembly groove I and an assembly groove II which are convenient for improving assembly strength are respectively arranged on the front end cover and the motor shell assembly face, the sealing fit structure consists of a plurality of fit grooves which are arranged at the bottom of the assembly groove I, a plurality of protruding parts which are arranged at the bottom of the assembly groove II and are axially outwards protruded and are mutually matched with the fit grooves, and a sealing component which is arranged between the assembly groove I and the assembly groove II and is used for eliminating the assembly gaps, and the sealing component is arranged between the assembly groove I and the assembly groove II;

the sealing assembly comprises a sealing lip, a sealing framework positioned in the sealing lip and used for improving sealing strength, and a spring plate ring with an elastic effect and a U-shaped cross section.

In the high-sealing wear-resistant motor shell, the matching grooves and the protruding parts are matched and assembled in cross section and are arranged in a trapezoid structure, the sealing piece can be soft rubber sealing, and two ends of the sealing piece are tightly attached to the bottoms of the first assembling groove and the second assembling groove.

In the high-sealing wear-resistant motor shell, the cross sections of the sealing lip and the sealing framework are in U-shaped structure, and the elastic sheet ring is positioned in the sealing lip and is used for tightly attaching two ends of the sealing lip to two ends of the sealing cavity.

In the high-sealing wear-resistant motor shell, the front end cover assembly surface is provided with the limiting protrusion which extends outwards axially and is used for limiting the assembly of the motor shell.

In the high-sealing wear-resistant motor shell, the motor shell is connected with the front end cover through a plurality of fastening bolts.

Compared with the prior art, the high-sealing wear-resistant motor shell has the following advantages:

1. the high-sealing wear-resistant motor shell is provided with the sealing matching structure and the sealing assembly, so that the structure not only effectively eliminates the gap after assembly, but also improves the assembly sealing strength between the motor shell and the front end cover, realizes the double sealing effect and prolongs the service life of the motor shell;

2. the sealing structure consists of a sealing lip, a sealing framework which is positioned in the sealing lip and used for improving the sealing strength, and an elastic sheet ring which has an elastic effect and is arranged in a U-shaped structure in cross section, wherein the two side edges of the sealing lip are tightly attached to each other through the elastic sheet ring structure, so that the high sealing strength is realized in a sealing cavity.

Drawings

Fig. 1 is a schematic perspective view of the high-sealing abrasion-resistant motor housing.

Fig. 2 is a schematic view of a partial cross-sectional structure of the present high seal wear resistant motor housing.

Fig. 3 is a schematic view of a partially enlarged structure at a in fig. 2.

In the figure, 1, a motor shell; 2. a front end cover; 3. an assembly groove I; 4. an assembly groove II; 5. a mating groove; 6. a boss; 7. a seal; 8. sealing the cavity; 9. a sealing lip; 10. sealing the framework; 11. a spring plate ring; 12. a limit protrusion; 13. and (5) fastening a bolt.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1, fig. 2 and fig. 3, the high-sealing wear-resistant motor shell comprises a motor shell 1 and a front end cover 2 assembled on the front end surface of the motor shell 1, a sealing fit structure which is used for improving the sealing strength and is convenient for eliminating an assembled gap is arranged between the assembling surfaces of the motor shell 1 and the front end cover 2, a sealing component which is used for improving the sealing strength is arranged between the assembling surfaces of the motor shell 1 and the front end cover 2, an assembling groove I3 and an assembling groove II 4 which are convenient for improving the assembling strength are respectively arranged on the assembling surfaces of the front end cover 2 and the motor shell 1, the sealing fit structure is composed of a plurality of fit grooves 5 which are arranged at the bottom of the assembling groove I3, a plurality of protruding parts 6 which are arranged at the bottom of the assembling groove II 4 and are axially outwards protruded and are mutually matched with the fit grooves 5, and a sealing piece 7 which is arranged between the assembling groove I3 and the assembling groove II 4 and is used for eliminating the assembling gap, and the sealing component is arranged between the assembling groove I3 and the assembling groove II 4, the structure not only effectively realizes the elimination of the assembled gap, but also improves the assembling seal strength between the motor shell 1 and the front end cover 2 and the assembling groove II and prolongs the service life of the motor shell;

the groove bottoms of the first assembling groove 3 and the second assembling groove 4 are respectively provided with a mounting annular groove convenient for sealing assembly to be mounted, the two mounting annular grooves can be matched to form a sealing cavity 8 for mounting the sealing assembly, and the sealing assembly consists of a sealing lip 9, a sealing framework 10 which is positioned in the sealing lip 9 and used for improving sealing strength, and a spring plate ring 11 which has an elastic effect and is arranged in a U-shaped structure with the cross section.

Further, in order to eliminate the gap after assembly connection, the matching groove 5 and the protruding part 6 are matched and assembled in cross section and are arranged in a trapezoid structure, the sealing piece 7 can be soft rubber sealing, two ends of the sealing piece 7 are tightly attached to the bottoms of the first assembling groove 3 and the second assembling groove 4, the gap after assembly connection is eliminated through matching of the sealing piece 7 and the two ends, meanwhile, the sealing strength is improved, and water is effectively prevented from penetrating into the motor.

Further, in order to enable the sealing lip 9 to be tightly attached to the sealing cavity 8 to achieve high sealing performance, the cross sections of the sealing lip 9 and the sealing framework 10 are in a U-shaped structure, and the elastic sheet rings 11 are located in the sealing lip 9 and are used for tightly attaching two ends of the sealing lip 9 to two ends of the sealing cavity 8.

Further, in order to facilitate the seal assembly structure and the limit installation of the seal assembly, a limit protrusion 12 which extends outwards in the axial direction and is used for limiting the assembly of the motor housing 1 is arranged on the assembly surface of the front end cover 2.

Further, the motor housing 1 is connected with the front end cover 2 by a plurality of fastening bolts 13.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although the terms of the motor housing 1, the front end cover 2, the first fitting groove 3, the second fitting groove 4, the fitting groove 5, the boss 6, the seal 7, the seal cavity 8, the seal lip 9, the seal skeleton 10, the spring piece ring 11, the limit projection 12, the fastening bolt 13, and the like are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims

1. The high-sealing wear-resistant motor shell comprises a motor shell (1) and a front end cover (2) assembled on the front end surface of the motor shell (1), and is characterized in that a sealing fit structure for improving sealing strength and facilitating elimination of gaps after assembly is arranged between the assembly surfaces of the motor shell (1) and the front end cover (2), a sealing assembly for improving sealing strength is arranged between the assembly surfaces of the motor shell (1) and the front end cover (2), the front end cover (2) and the motor shell (1) are respectively provided with a first assembling groove (3) and a second assembling groove (4) which are convenient for improving the assembling strength, the sealing matching structure is composed of a plurality of matching grooves (5) which are formed at the bottoms of the first assembling groove (3), a plurality of protruding parts (6) which are formed at the bottoms of the second assembling groove (4) and protrude outwards in the axial direction and are matched with the matching grooves (5) and sealing pieces (7) which are positioned between the first assembling groove (3) and the second assembling groove (4) and are used for eliminating assembling gaps, and the sealing components are positioned between the first assembling groove (3) and the second assembling groove (4);

the sealing assembly is characterized in that mounting ring grooves which are convenient for sealing assembly to install are formed in the bottoms of the first mounting groove (3) and the second mounting groove (4), the two mounting ring grooves can be matched to form a sealing cavity (8) for the sealing assembly to install, and the sealing assembly consists of a sealing lip (9), a sealing framework (10) which is positioned in the sealing lip (9) and used for improving sealing strength, and a spring plate ring (11) which has an elastic effect and is arranged in a U-shaped structure in cross section.

2. The high-sealing wear-resistant motor shell according to claim 1, wherein the cross sections of the fitting grooves (5) and the protruding parts (6) are arranged in a trapezoid structure, the sealing piece (7) can be soft rubber sealing, and two ends of the sealing piece (7) are tightly attached to the bottoms of the first fitting groove (3) and the second fitting groove (4).

3. The high-sealing wear-resistant motor shell according to claim 1, wherein the cross sections of the sealing lip (9) and the sealing framework (10) are in a U-shaped structure, and the elastic sheet ring (11) is positioned in the sealing lip (9) and is used for tightly attaching two ends of the sealing lip (9) to two ends of the sealing cavity (8).

4. A highly sealed and wear resistant motor housing in accordance with claim 1 wherein said front end cap (2) has an axially outwardly extending projection on its mounting face and a stop projection (12) for limiting the assembly of the motor housing (1).

5. The high-sealing wear-resistant motor housing according to claim 1, wherein the motor housing (1) is connected with the front end cover (2) through a plurality of fastening bolts (13).