Motor water retaining ring and motor using same

Abstract

The utility model discloses a motor water retaining ring and a motor applying the same, the motor water retaining ring comprises a cylindrical installation part and a water retaining part sleeved outside the installation part, the water retaining part is connected with the outer side wall of the installation part, and the water retaining part is gradually opened outwards in the radial direction to form a horn mouth. The water retaining ring of the motor is simple in structure, short in axial length and capable of being used by an air conditioner with a small installation space.

Description

Technical Field

[0001] The utility model relates to a motor water retaining ring and a motor using the same. Background Art

[0002] In order to prevent water outside the motor from entering the motor through the shaft hole, a traditional motor usually installs a water retaining ring at the shaft hole of the end cover. The water retaining ring includes a cylindrical mounting portion, the front end of the mounting portion is provided with an annular bottom wall, and the inner ring water retaining portion of the bottom wall gradually opens radially outward to form a bell mouth. A bearing chamber is provided in the center of the motor end cover, and an outward boss is formed outside the bearing chamber. The mounting portion is sleeved outside the boss, and the bell mouth of the water retaining portion faces outward. For a motor with this structure, the water retaining ring has a complex structure and a too long axial length, resulting in high cost. It is not suitable for smaller installation spaces. Utility Model Content

[0003] The utility model provides a motor water retaining ring and a motor using the same, which are used to solve the problems of the motor water retaining ring in the prior art having a complex structure and a too long axial length.

[0004] The technical solution of the utility model is achieved in this way:

[0005] The first object of the utility model is to provide a motor water retaining ring, which includes a cylindrical mounting portion and a water retaining portion sleeved outside the mounting portion, the water retaining portion is connected to the outer side wall of the mounting portion, and the water retaining portion gradually opens radially outward to form a bell mouth.

[0006] The bell mouth of the water retaining portion axially protrudes outside the mounting portion.

[0007] The water retaining portion is connected to the middle portion of the mounting portion.

[0008] The motor water retaining ring is made of soft rubber.

[0009] The second object of the utility model is to provide a motor, comprising an end cover and a motor water retaining ring, wherein a boss is protruded outside the bearing chamber of the end cover, the motor water retaining ring is the motor water retaining ring described above, the mounting portion of the motor water retaining ring is sleeved on the boss, and the bell mouth of the water retaining portion faces outward.

[0010] The bell mouth axially protrudes out of the boss.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. The motor water retaining ring includes a cylindrical mounting portion and a water retaining portion sleeved outside the mounting portion, the water retaining portion is connected to the outer wall of the mounting portion, and the water retaining portion gradually opens radially outward to form a bell mouth. The motor water retaining ring has a simple structure and a short axial length, which can meet the needs of air conditioner models with small installation space. In the case where the bell mouth length is too small, it can also be closely matched with the outer boss of the motor end cover bearing, so as to achieve the purpose of waterproofing the shaft hole, prevent water from flowing from the surface of the motor end cover through the shaft hole into the motor, and solve the problems of rust and bearing noise caused by rust.

[0013] 2. Other advantages of the present invention are described in detail in the embodiment section. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the structure of a motor water retaining ring provided in the first embodiment of the utility model;

[0015] Figure 2 This is a cross-sectional view of the motor water retaining ring;

[0016] Figure 3 A schematic diagram of the structure of a motor provided in Embodiment 2 of the present utility model;

[0017] Figure 4 This is a cross-sectional view of the motor's middle end cover and motor water retaining ring. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0019] Embodiment 1:

[0020] like Figure 1 to Figure 2 As shown, this embodiment provides a motor water retaining ring, characterized in that it includes a cylindrical mounting portion 11 and a water retaining portion 12 sleeved outside the mounting portion 11, the water retaining portion 12 is connected to the outer wall of the mounting portion 11, and the water retaining portion 12 gradually opens radially outward to form a bell mouth 13. The motor water retaining ring has a simple structure, a short axial length, is easy to install, and can also achieve the purpose of waterproofing the shaft hole.

[0021] The bell mouth 13 of the water retaining portion 12 axially protrudes out of the mounting portion 11 .

[0022] The water retaining portion 12 is connected to the middle portion of the mounting portion 11, thereby further shortening the axial length of the motor water retaining ring.

[0023] The motor water retaining ring is made of soft rubber, is not easy to age, and has low cost.

[0024] Embodiment 2:

[0025] like Figure 3 to Figure 4 As shown, this embodiment provides a motor, including an end cover 2 and a motor water retaining ring 1, wherein a boss 22 protrudes from the bearing chamber 21 of the end cover 2, the motor water retaining ring 1 is the motor water retaining ring 1 described in Example 1, the mounting portion 11 of the motor water retaining ring 1 is mounted on the boss 22, and the bell mouth 13 of the water retaining portion 12 faces outward.

[0026] The motor water retaining ring 1 is easy to install by sleeve-mounting the mounting portion 11 on the boss 22. The water retaining portion 12 can effectively prevent water from flowing from the end cover surface through the shaft hole into the motor, thereby solving the problems of bearing rust and bearing noise caused by rust.

[0027] The bell mouth 13 axially protrudes out of the boss 22 , which has a better waterproof effect.

[0028] The motor improves the structure of the motor water retaining ring 1, shortens the axial length of the motor water retaining ring 1, and satisfies the installation and matching requirements of a small space model.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A motor water retaining ring, characterized in that: The water retaining portion (12) comprises a cylindrical mounting portion (11) and a water retaining portion (12) sleeved outside the mounting portion (11); the water retaining portion (12) is connected to the outer wall of the mounting portion (11); and the water retaining portion (12) gradually opens radially outward to form a bell mouth (13).

2. The motor water retaining ring according to claim 1, characterized in that: The bell mouth (13) of the water retaining portion (12) protrudes axially outside the mounting portion (11).

3. A motor water retaining ring according to claim 1 or 2, characterized in that: The water retaining portion (12) is connected to the middle portion of the mounting portion (11).

4. The motor water retaining ring according to claim 3, characterized in that: The motor water retaining ring is made of soft rubber.

5. A motor, comprising an end cover (2) and a motor water retaining ring (1), characterized in that: A boss (22) protrudes from the bearing chamber (21) of the end cover (2); the motor water retaining ring (1) is a motor water retaining ring as described in any one of claims 1 to 4; the mounting portion (11) of the motor water retaining ring (1) is mounted on the boss (22), and the bell mouth (13) of the water retaining portion (12) faces outward.

6. A motor according to claim 5, characterized in that: The bell mouth (13) protrudes axially out of the boss (22).

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