CN217904161U

CN217904161U - Motor sealing structure and motor thereof

Info

Publication number: CN217904161U
Application number: CN202222256637.XU
Authority: CN
Inventors: 张奎全
Original assignee: Fengxian Chaohua Motor Manufacturing Co ltd
Current assignee: Fengxian Chaohua Motor Manufacturing Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-11-25
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses a motor seal structure and motor thereof relates to motor technical field. The utility model comprises an end cover and an output shaft which is rotatably inserted on the end cover; the outer surface of the end cover is provided with a mounting groove; one side of the end cover is connected with a blocking cover corresponding to the mounting groove through a bolt; a plurality of concentrically arranged positioning convex rings are fixed on one surface of the blocking cover close to the mounting groove; one edge of the positioning convex ring, which is far away from the blocking cover, is turned over towards the periphery; a sealing disc is arranged in the mounting groove; a plurality of annular elastic sheets corresponding to the positioning convex rings are fixed on one surface of the sealing disc close to the baffle cover; the outer edge of the annular elastic sheet is turned inwards; the annular elastic sheet is wrapped on one edge of the positioning convex ring far away from the blocking cover; an annular sealing sheet is arranged between the annular elastic sheet and the positioning convex ring. The utility model is not only reasonable in structural design, it is convenient to use, has improved the sealed effect of motor moreover effectively, has higher market using value.

Description

Motor sealing structure and motor thereof

Technical Field

The utility model belongs to the technical field of the motor, especially, relate to a motor seal structure and motor thereof.

Background

The motor is widely applied to various industries as a power source of electric appliances and various machines. Because the motor is applied to different places, sometimes the working environment is worse, and even the motor can directly work in water or other liquid media. Therefore, the sealing performance of the motor is required to be high.

Chinese patent No. CN203339851U discloses a motor shaft sealing structure, in which an oil baffle ring is fixed by a screw at the outer side of an end cover at one side where a motor is connected with a speed reducer, and when the oil baffle ring is sleeved on a motor shaft, a gap of 0.03-0.05mm is formed between the oil baffle ring and the motor shaft. The above device has the following disadvantages: the motor shaft keeps off the easy not hard up of oil ring under high-speed rotation, and water inflow and oil leakage scheduling problem can still appear after long-time to its leakproofness has been influenced. Therefore, a sealing structure of a motor and a motor thereof are urgently studied in order to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a motor seal structure and motor thereof, its purpose is in order to solve the technical problem who provides among the above-mentioned background art.

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

the utility model relates to a motor sealing structure, which comprises an end cover and an output shaft which is rotatably inserted on the end cover; the outer surface of the end cover is provided with a mounting groove; the mounting groove is arranged on the peripheral side of the output shaft; one side of the end cover is connected with a blocking cover corresponding to the mounting groove through a bolt; the blocking cover is in clearance fit with the periphery of the output shaft; a plurality of concentrically arranged positioning convex rings are fixed on one surface of the blocking cover close to the mounting groove; one edge of the positioning convex ring, which is far away from the blocking cover, is turned over towards the periphery; a sealing disc is arranged in the mounting groove; the sealing disc is in interference fit with the periphery of the output shaft; a plurality of annular elastic sheets corresponding to the positioning convex rings are fixed on one surface of the sealing disc close to the blocking cover; the outer edge of the annular elastic sheet is folded inwards; the annular elastic sheet is wrapped on one edge of the positioning convex ring away from the blocking cover; an annular sealing sheet is arranged between the annular elastic sheet and the positioning convex ring; the annular sealing piece wraps one edge of the positioning convex ring, which is far away from the blocking cover.

As a preferred technical scheme of the utility model, a first rubber ring is arranged at the joint between the end cover and the output shaft; the first rubber ring is sleeved on the periphery of the output shaft.

As a preferred technical scheme of the utility model, a second rubber ring is arranged at the joint between the end cover and the blocking cover; the second rubber ring is arranged at the periphery of the mounting groove.

As a preferred technical scheme of the utility model, a plurality of annular holding grooves which are concentrically arranged are arranged on the inner surface of the mounting groove; a plurality of extending convex rings corresponding to the annular accommodating groove are fixed on one surface of the sealing disc, which is far away from the baffle cover; the extending convex ring is in clearance fit in the annular accommodating groove; and lubricating grease is coated in the annular accommodating groove.

As a preferred technical scheme of the utility model, a third rubber ring is arranged at the joint between the baffle cover and the output shaft; the third rubber ring is sleeved on the periphery of the output shaft.

As a preferred technical scheme of the utility model, a fourth rubber ring is arranged between the sealing disc and the circumferential side wall of the mounting groove; the fourth rubber circle is sleeved on the periphery of the sealing disc.

A motor has a motor sealing structure as described above.

The utility model discloses following beneficial effect has:

the utility model discloses a set up the mounting groove at the surface of end cover, and pass through bolted connection and the corresponding fender lid of mounting groove in one side of end cover, the fender lid can make the mounting groove form airtight space, and keep off the lid and be close to the location bulge loop of a plurality of concentric settings in surface integrated into one piece of mounting groove, a marginal edge that the fender lid was kept away from to the periphery book is rolled up to the location bulge loop, set up the sealed dish in the mounting groove, a plurality of and the corresponding annular elastic sheet of location bulge loop of a surface welding that the sealed dish is close to the fender lid, the inward flange of annular elastic sheet is close to the inseparable conflict in a surface of fender lid with the sealed dish and is connected, the outward flange of annular elastic sheet turns up the book to the inboard, the annular elastic sheet wraps up in the edge that the fender lid was kept away from to the location bulge loop, set up the annular gasket between annular elastic sheet and the location bulge loop, the annular gasket wraps up in the edge that the fender lid was kept away from to the location bulge loop, thereby can effectively avoid external dust or water to get into, the sealed effect of motor has been improved effectively.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages simultaneously.

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 these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a sealing structure of a motor according to the present invention.

Fig. 2 is an enlarged schematic view of a structure in fig. 1.

Fig. 3 is an enlarged schematic view of a structure at B in fig. 1.

Fig. 4 is a schematic structural diagram of the end cap of the present invention.

Fig. 5 is a schematic structural view of the blocking cover of the present invention.

Fig. 6 is a schematic structural view of the sealing disk of the present invention.

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

1-end cover, 2-output shaft, 3-baffle cover, 4-sealing disc, 5-annular elastic sheet, 6-annular sealing sheet, 7-first rubber ring, 8-second rubber ring, 9-third rubber ring, 10-fourth rubber ring, 101-mounting groove, 102-annular accommodating groove, 301-positioning convex ring and 401-extending convex ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-6, the present invention relates to a motor sealing structure, which includes an end cap 1 and an output shaft 2 rotatably inserted into the end cap 1; the outer surface of the end cover 1 is provided with an installation groove 101 in an annular structure; the mounting groove 101 is arranged on the peripheral side of the output shaft 2; one side of the end cover 1 is connected with a blocking cover 3 corresponding to the mounting groove 101 through a bolt; the blocking cover 3 can enable the installation groove 101 to form a closed space; the blocking cover 3 is in clearance fit on the periphery of the output shaft 2; a plurality of concentrically arranged positioning convex rings 301 are integrally formed on one surface of the blocking cover 3 close to the mounting groove 101; one edge of the positioning convex ring 301, which is far away from the blocking cover 3, is turned over towards the periphery, so that the cross section of the positioning convex ring 301 forms an L-shaped structure; a sealing disc 4 is arranged in the mounting groove 101; the sealing disc 4 is in interference fit with the periphery of the output shaft 2; a plurality of annular elastic sheets 5 corresponding to the positioning convex rings 301 are welded on one surface of the sealing disc 4 close to the baffle cover 3; the inner edge of the annular elastic sheet 5 is tightly abutted and connected with one surface of the sealing disc 4 close to the baffle cover 3; the outer edge of the annular elastic sheet 5 is turned inwards; the annular elastic piece 5 is wrapped on one edge of the positioning convex ring 301 far away from the blocking cover 3; an annular sealing sheet 6 is arranged between the annular elastic sheet 5 and the positioning convex ring 301; the annular sealing sheet 6 is wrapped on one edge of the positioning convex ring 301 far away from the blocking cover 3; the annular sealing sheet 6 is made of rubber; lubricating grease is smeared on the inner surface and the outer surface of the annular elastic sheet 5; the elastic action of the annular elastic sheet 5 can enable the positioning convex ring 301, the annular elastic sheet 5 and the annular sealing sheet 6 to be tightly attached.

As shown in fig. 2-3, a conventional first rubber ring 7 in the field is arranged at the joint between the end cover 1 and the output shaft 2; the first rubber ring 7 is sleeved on the periphery of the output shaft 2; a conventional third rubber ring 9 in the field is arranged at the joint between the blocking cover 3 and the output shaft 2; the third rubber ring 9 is sleeved on the periphery of the output shaft 2; a conventional second rubber ring 8 in the field is arranged at the joint between the end cover 1 and the blocking cover 3; the second rubber ring 8 is arranged at the periphery of the mounting groove 101; a conventional fourth rubber ring 10 in the field is arranged between the sealing disc 4 and the circumferential side wall of the mounting groove 101; the fourth rubber ring 10 is sleeved on the periphery of the sealing disc 4. Through setting up third rubber circle 9, the junction between end cover 1 and the fender lid 3 and the output shaft 2 at the first rubber circle 7 of junction between end cover 1 and the output shaft 2, setting up second rubber circle 8 and sealed dish 4 and be provided with fourth rubber circle 10 between the circumference lateral wall of mounting groove 101 at the junction between end cover 1 and the fender lid 3, can further improve the sealing performance of motor.

The second embodiment is as follows:

as shown in fig. 2, 4 and 6, on the basis of the first embodiment, a plurality of annular receiving grooves 102 concentrically arranged are formed on the inner surface of the mounting groove 101; a plurality of extending convex rings 401 corresponding to the annular receiving groove 102 are fixed to a surface of the seal disk 4 remote from the shield cover 3; the extended raised ring 401 is clearance fitted within the annular receiving groove 102; grease is applied inside the annular accommodation groove 102. The sealing performance of the motor can be further improved by forming a plurality of concentrically arranged annular receiving grooves 102 in the inner surface of the mounting groove 101 and fixing a plurality of extending protruding rings 401 corresponding to the annular receiving grooves 102 on a surface of the sealing disk 4 remote from the shield cover 3, fitting the extending protruding rings 401 in the annular receiving grooves 102 in a clearance fit, and applying grease in the annular receiving grooves 102.

A motor has a motor sealing structure as described above.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. 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 its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A motor sealing structure comprises an end cover (1) and an output shaft (2) which is inserted on the end cover (1) in a rotating mode; the outer surface of the end cover (1) is provided with a mounting groove (101); the mounting groove (101) is arranged on the peripheral side of the output shaft (2); the method is characterized in that:

one side of the end cover (1) is connected with a blocking cover (3) corresponding to the mounting groove (101) through a bolt; the blocking cover (3) is in clearance fit with the periphery of the output shaft (2); a plurality of concentrically arranged positioning convex rings (301) are fixed on one surface of the blocking cover (3) close to the mounting groove (101); one edge of the positioning convex ring (301) far away from the blocking cover (3) is turned over towards the periphery;

a sealing disc (4) is arranged in the mounting groove (101); the sealing disc (4) is in interference fit with the periphery of the output shaft (2); a plurality of annular elastic sheets (5) corresponding to the positioning convex rings (301) are fixed on one surface of the sealing disc (4) close to the blocking cover (3); the outer edge of the annular elastic sheet (5) is turned inwards; the annular elastic piece (5) is wrapped on one edge of the positioning convex ring (301) far away from the blocking cover (3); an annular sealing sheet (6) is arranged between the annular elastic sheet (5) and the positioning convex ring (301); the annular sealing piece (6) is wrapped on one edge of the positioning convex ring (301) far away from the blocking cover (3).

2. A motor sealing structure according to claim 1, characterized in that a first rubber ring (7) is arranged at the joint between the end cover (1) and the output shaft (2); the first rubber ring (7) is sleeved on the periphery of the output shaft (2).

3. A motor sealing structure according to claim 1 or 2, characterized in that a second rubber ring (8) is arranged at the joint between the end cover (1) and the baffle cover (3); the second rubber ring (8) is arranged on the periphery of the mounting groove (101).

4. The motor sealing structure according to claim 3, wherein the inner surface of the mounting groove (101) is provided with a plurality of concentrically arranged annular receiving grooves (102); a plurality of extending convex rings (401) corresponding to the annular accommodating grooves (102) are fixed on one surface of the sealing disc (4) far away from the blocking cover (3); the extending convex ring (401) is in clearance fit in the annular accommodating groove (102); the annular accommodating groove (102) is internally coated with grease.

5. A motor sealing structure according to claim 1, characterized in that a third rubber ring (9) is arranged at the joint between the baffle cover (3) and the output shaft (2); the third rubber ring (9) is sleeved on the periphery of the output shaft (2).

6. A motor sealing structure according to claim 5, characterized in that a fourth rubber ring (10) is arranged between the sealing disc (4) and the circumferential side wall of the mounting groove (101); the fourth rubber ring (10) is sleeved on the periphery of the sealing disc (4).

7. An electric motor having a motor sealing structure according to any one of claims 1 to 6.