Motor end cover structure for washing machine

Abstract

The utility model belongs to the field of motor end cover structures, and particularly relates to a motor end cover structure for a washing machine, which comprises a cover body, the outer side of the cover body is fixedly connected with four uniformly distributed mounting racks, the cover body is provided with a sealing structure, the upper end of the cover body is fixedly connected with a reinforcing column, and the reinforcing column is fixedly connected with a sealing structure. The outer side of the reinforcing column is slidably sleeved with a sealing sleeve, the upper end of the sealing sleeve makes contact with a backing ring, the lower end of the sealing sleeve is fixedly connected with an extension pipe, and the interior of the reinforcing column is connected with a screw through threads. The sealing ring, the connecting ring, the limiting frame and other structures are additionally arranged on the cover body, the sealing performance between the cover body and the motor shell can be improved through the sealing ring in the using process, water can be effectively prevented from entering the interior of the motor, and when the motor is maintained daily, the service life of the motor is prolonged. And the sealing ring mounted in a clamping manner through the limiting frame can be conveniently replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of motor end cover structures, in particular to a motor end cover structure for a washing machine. Background Art

[0002] According to the patent authorization announcement number: CN212935631U, a motor end cover structure for a washing machine is proposed. The utility model discloses a motor end cover structure for a washing machine, including an end cover and a motor body, a fixing block is fixed in an annular manner on the outer surface of the end cover, a connecting block is provided on the outer surface of the motor body at one side of the fixing block, a clamping block is fixed on the fixing block at one side of the connecting block, a clamping groove is provided on the outer surface of the clamping block at one side of the connecting block, a second half screw hole is provided on the inner wall surface of the clamping groove, a first half screw hole is provided on the surface of the clamping block at the second half screw hole, and a first bolt is provided in the inner spiral of the first half screw hole and the second half screw hole; the clamping block is fixed to the clamping groove, the end cover and the motor body can be quickly fixed, and the structure is simpler and more flexible, and the motor body and the end cover can be easily separated by directly unscrewing the first bolt, which greatly saves working time, has strong practicality, and can better ensure the stability of the washing machine in the working state.

[0003] However, in order to improve the sealing performance between the rotating shaft and the cover body, the motor end cover in the prior art is provided with a sealing sleeve at the opening of the cover body, which is easy to cause the sealing sleeve to loosen during the high-speed rotation of the motor shaft, affecting the sealing performance, and the connection between the end cover and the motor is easy to cause the liquid of the washing machine to enter the inside of the motor, causing the internal parts of the motor to be corroded and affecting the normal operation of the motor. Therefore, it is necessary to improve the prior art. Utility Model Content

[0004] The utility model aims to provide a motor end cover structure for a washing machine, which solves the problems of unstable sealing sleeve and poor sealing between the motor and the end cover.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a motor end cover structure for a washing machine, comprising a cover body, four evenly distributed mounting brackets are fixedly connected to the outer side of the cover body, a sealing structure is arranged on the cover body, a reinforcing column is fixedly connected to the upper end of the cover body, a sealing sleeve is slidably sleeved on the outer side of the reinforcing column, a gasket is contacted at the upper end of the sealing sleeve, an extension tube is fixedly connected to the lower end of the sealing sleeve, and a screw is threadedly connected to the inside of the reinforcing column.

[0006] Preferably, the screw is movably connected to the cover body, and the screw is movably connected to the gasket, and the screw can limit the gasket.

[0007] Preferably, the extension tube contacts the cover body, the gasket contacts the reinforcement column, and the sealing sleeve contacts the cover body. The extension tube can increase the sealing area between the cover body and the motor shaft.

[0008] Preferably, the sealing structure includes a sealing ring, a sealing ring is slidably connected to the inside of the lower end of the cover body, a fixing ring is fixedly connected to the lower part of the inner wall of the cover body, a connecting ring is fixedly connected to the upper end of the sealing ring, a square nail is fixedly connected to the inner wall of the cover body, the outer side of the square nail is slidably connected to a limiting frame, a tension spring is provided inside the cover body, and the square nail can guide the movement of the limiting frame.

[0009] Preferably, the fixing ring is slidably connected to the connecting ring, the sealing ring is slidably connected to the fixing ring, the limiting frame is clamped to the connecting ring, and the sealing ring can seal the connection between the cover body and the motor housing.

[0010] Preferably, one end of the tension spring is fixedly connected to the inner wall of the cover body, the other end of the tension spring is fixedly connected to the limit frame, the limit frame is slidably connected to the sealing ring, and the tension spring can drive the limit frame to automatically reset through elastic force.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model adds structures such as a sealing ring, a connecting ring and a limit frame on the cover body. During use, the sealing ring can increase the sealing between the cover body and the motor housing, thereby effectively preventing moisture from entering the interior of the motor. In addition, during daily maintenance of the motor, the sealing ring installed by the limit frame can be easily replaced.

[0013] 2. The utility model adds reinforcing rods, screws, gaskets and other structures to the cover body. During use, the sealing sleeve can be pre-connected to the outside of the reinforcing rod, and then the extension tube is extended into the interior of the cover body, thereby effectively increasing the stability of the sealing sleeve and further preventing water from entering the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A partial structural stereogram of a cover body;

[0016] Figure 3 For the utility model Figure 1 A front cross-sectional view of

[0017] Figure 4 For the utility model Figure 3 A-section structure enlarged view.

[0018] In the figure: 1. cover body; 2. mounting frame; 3. sealing structure; 4. reinforcing column; 5. sealing sleeve; 6. gasket; 7. extension tube; 8. screw; 31. sealing ring; 32. fixing ring; 33. connecting ring; 34. square nail; 35. limit frame; 36. tension spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 , Figure 2 , Figure 3 A motor end cover structure for a washing machine comprises a cover body 1, four evenly distributed mounting frames 2 are fixedly connected to the outer side of the cover body 1, a sealing structure 3 is arranged on the cover body 1, a reinforcing column 4 is fixedly connected to the upper end of the cover body 1, a sealing sleeve 5 is slidably sleeved on the outer side of the reinforcing column 4, a gasket 6 is contacted at the upper end of the sealing sleeve 5, an extension tube 7 is fixedly connected to the lower end of the sealing sleeve 5, and a screw 8 is threadedly connected to the inside of the reinforcing column 4.

[0021] See also Figure 1 , Figure 2 , Figure 3 The screw 8 is movably connected to the cover body 1, the screw 8 is movably connected to the gasket 6, the screw 8 can limit the gasket 6, the extension tube 7 contacts the cover body 1, the gasket 6 contacts the reinforcement column 4, the sealing sleeve 5 contacts the cover body 1, and the extension tube 7 can increase the sealing area between the cover body 1 and the motor shaft.

[0022] See also Figure 1 , Figure 3 , Figure 4The sealing structure 3 includes a sealing ring 31, a sealing ring 31 is slidably connected inside the lower end of the cover body 1, a fixing ring 32 is fixedly connected to the lower part of the inner wall of the cover body 1, and a connecting ring 33 is fixedly connected to the upper end of the sealing ring 31. A square nail 34 is fixedly connected to the inner wall of the cover body 1, and the outer side of the square nail 34 is slidably connected to the limiting frame 35. A tension spring 36 is arranged inside the cover body 1, and the square nail 34 can guide the movement of the limiting frame 35. The fixing ring 32 is slidably connected to the connecting ring 33, the sealing ring 31 is slidably connected to the fixing ring 32, and the limiting frame 35 is clamped with the connecting ring 33. The sealing ring 31 can seal the connection between the cover body 1 and the motor housing, one end of the tension spring 36 is fixedly connected to the inner wall of the cover body 1, and the other end of the tension spring 36 is fixedly connected to the limiting frame 35, and the limiting frame 35 is slidably connected to the sealing ring 31, and the tension spring 36 can drive the limiting frame 35 to automatically reset through elastic force.

[0023] The specific implementation process of the utility model is as follows: when in use, the sealing ring 31 and the connecting ring 33 are slid into the interior of the cover body 1. During the sliding process, the connecting ring 33 contacts the limiting frame 35, and the limiting frame 35 is driven to move by the inclined surface of the limiting frame 35, and the tension spring 36 is stretched. When the limiting frame 35 slides into the hole of the connecting ring 33, the tension spring 36 is reset, and the tension spring 36 can drive the limiting frame 35 to be clamped in the interior of the connecting ring 33 through elastic force, so that the installation of the sealing ring 31 can be completed, and then the cover body 1 and the motor are connected. During the connection process, the sealing ring 31 is tightly attached to the motor shell to increase the sealing between the cover body 1 and the motor shell;

[0024] During the process of connecting the cover body 1 with the motor housing, the motor shaft is inserted into the interior of the cover body 1 and contacts the extension tube 7 in advance. After continued insertion, the motor shaft contacts the sealing sleeve 5, and the installation of the motor shaft is completed. Due to the effects of the extension tube 7 and the reinforcing column 4, the sealing sleeve 5 can be more stable during the high-speed rotation of the motor shaft, and the sealing performance can be effectively guaranteed.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A motor end cover structure for a washing machine, comprising a cover body (1), characterized in that: The outer side of the cover body (1) is fixedly connected to four evenly distributed mounting frames (2), the cover body (1) is provided with a sealing structure (3), the upper end of the cover body (1) is fixedly connected to a reinforcing column (4), the outer side of the reinforcing column (4) is slidably sleeved with a sealing sleeve (5), the upper end of the sealing sleeve (5) is in contact with a gasket (6), the lower end of the sealing sleeve (5) is fixedly connected to an extension tube (7), and the interior of the reinforcing column (4) is threadedly connected with a screw (8).

2. The motor end cover structure for a washing machine according to claim 1, characterized in that: The screw (8) is movably connected to the cover body (1), and the screw (8) is movably connected to the gasket (6).

3. The motor end cover structure for a washing machine according to claim 1, characterized in that: The extension tube (7) is in contact with the cover body (1), the gasket (6) is in contact with the reinforcement column (4), and the sealing sleeve (5) is in contact with the cover body (1).

4. The motor end cover structure for a washing machine according to claim 1, characterized in that: The sealing structure (3) comprises a sealing ring (31), the sealing ring (31) is slidably connected inside the lower end of the cover body (1), a fixing ring (32) is fixedly connected to the lower part of the inner wall of the cover body (1), a connecting ring (33) is fixedly connected to the upper end of the sealing ring (31), a square nail (34) is fixedly connected to the inner wall of the cover body (1), the outer side of the square nail (34) is slidably connected to a limiting frame (35), and a tension spring (36) is arranged inside the cover body (1).

5. The motor end cover structure for a washing machine according to claim 4, characterized in that: The fixing ring (32) is slidably connected to the connecting ring (33), the sealing ring (31) is slidably connected to the fixing ring (32), and the limiting frame (35) is clamped to the connecting ring (33).

6. The motor end cover structure for a washing machine according to claim 4, characterized in that: One end of the tension spring (36) is fixedly connected to the inner wall of the cover body (1), and the other end of the tension spring (36) is fixedly connected to the limiting frame (35), and the limiting frame (35) is slidably connected to the sealing ring (31).

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