Motor housing

Abstract

The utility model discloses a motor housing, which comprises an end cover and a main housing body connected with the motor end cover, an end cover sealing part of the motor end cover abuts against a main sealing part of the main housing body, the main sealing part is provided with a plurality of concave surfaces, and the concave surfaces are matched with the end cover sealing part to form a plurality of separated sealing spaces. According to the utility model, a plurality of concave surfaces are arranged between the motor end cover and the main shell, after the motor end cover and the main shell are sealed and assembled, a plurality of sealing surfaces can be formed to improve the waterproofness, and meanwhile, the plurality of concave surfaces form a plurality of separated sealing spaces which can effectively block the propagation of sound waves and vibration waves, thereby achieving the purpose of vibration and noise reduction.

Description

Technical Field

[0001] The utility model relates to the technical field of motor housings, in particular to a motor housing with good sealing and noise reduction. Background Art

[0002] The design of a motor's housing is crucial to ensuring its performance. It not only houses and assembles key components, such as the stator and rotor, but also ensures the entire system is sealed to prevent moisture intrusion and damage to internal components. To achieve this, the motor housing typically consists of a main housing and end caps, which are sealed to achieve waterproofing. However, in practice, these stringent sealing requirements can lead to several potential issues: 1. Thermal expansion and contraction: During motor operation, internal heat causes the motor housing to expand and contract. If the seal between the main housing and end caps is too tight, this repeated thermal expansion and contraction can cause gradual fatigue in the sealing material, even leading to microcracks. Over time, these cracks can expand, eventually leading to seal failure and loss of the motor's waterproofing function. 2. Noise: Overly tight sealing can cause excessive vibration and noise during motor operation. This is particularly noticeable at high motor speeds, as high speeds exacerbate vibrations and increase stress on the seal structure. Utility Model Content

[0003] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0004] In order to solve the above-mentioned problems, the present invention provides the following technical solutions: a motor housing includes an end cover and a main shell connected to the motor end cover, characterized in that the end cover sealing portion of the motor end cover conflicts with the main sealing portion of the main shell, and the main sealing portion has several concave surfaces, which cooperate with the end cover sealing portion to form several separated sealed spaces.

[0005] On the basis of the above technical solution, the present invention can also be improved as follows.

[0006] As a preferred solution of the motor housing of the present invention, the end cover sealing portion includes a first cover contact end, a second cover contact end, a third cover contact end, a fourth cover contact end, a fifth cover contact end and a sixth cover contact end, the first cover contact end and the second cover contact end are concave to form a first depression, the third cover contact end, the fourth cover contact end and the fifth cover contact end are concave to form a second depression, and the main sealing portion includes a first main contact end, a second main contact end and a third main contact end.

[0007] As a preferred solution of the motor housing of the present invention, the first cover contact end and the first main contact end are in contact with each other to form a first sealing surface, the second cover contact end and the third main contact end are in contact with each other to form a second sealing surface, the sixth cover contact end and the third main contact end are in contact with each other to form a third sealing surface, the first recess between the first sealing surface and the second sealing surface forms a first sealing space, and the second recess between the second sealing surface and the third sealing surface forms a second sealing space.

[0008] As a preferred solution of the motor housing of the present invention, the end cover cavity of the motor end cover is communicated with the main cavity of the main shell.

[0009] As a preferred solution of the motor housing of the present invention, an end cover bearing portion is provided at the axis center of the motor end cover, and an end bearing portion is provided at the axis center of the main housing, and the end bearing portion is coaxially matched with the end cover bearing portion.

[0010] As a preferred solution of the motor housing of the present invention, the main mounting portion on the main shell is provided with a main adapting hole, the end cover mounting portion of the motor end cover is provided with an end cover adapting hole, and the end cover adapting hole matches the main adapting hole.

[0011] As a preferred solution of the motor housing of the present invention, a terminal hole is provided on the main housing.

[0012] The beneficial effect of the present invention is that multiple concave surfaces are provided between the motor end cover and the main shell. After the two are sealed and assembled, multiple sealing surfaces can be formed to improve the waterproof performance. At the same time, the multiple concave surfaces form multiple separated sealed spaces. These separated spaces can effectively block the propagation of sound waves and vibration waves, thereby achieving the purpose of reducing vibration and noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:

[0014] Figure 1 This is a disassembled three-dimensional view of the motor housing of this embodiment.

[0015] Figure 2 This is an assembly drawing of the motor housing of this embodiment.

[0016] Figure 3 2 is a plan view of the motor housing of this embodiment.

[0017] Figure 4 2 is a cross-sectional view of the motor housing of this embodiment.

[0018] Figure 5 For this embodiment Figure 4 A partial schematic diagram of .

[0019] In the figure; the motor end cover 100, the end cover cavity 100a, the end cover sealing portion 101, the end cover mounting portion 102, the end cover adapter hole 102a, the end cover bearing portion 103;

[0020] A first cover contact terminal 101a, a second cover contact terminal 101b, a third cover contact terminal 101c, a fourth cover contact terminal 101d, a fifth cover contact terminal 101e, a sixth cover contact terminal 101f, a first recess 101-1, and a second recess 101-2;

[0021] The main housing 200, the main cavity 200a, the main sealing portion 201, the main mounting portion 202, the main adapter hole 202a, the end bearing portion 203, the terminal hole 204;

[0022] A first main contact terminal 201a, a second main contact terminal 201b, a third main contact terminal 201c;

[0023] A first sealing surface 301 , a second sealing surface 302 , a third sealing surface 303 , a first sealed space 304 , and a second sealed space 305 . DETAILED DESCRIPTION

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0027] Example

[0028] Reference Figures 1 to 5 , is an embodiment of the present utility model, which provides a motor housing, such as Figure 1 As shown, it includes a motor end cover 100 and a main shell 200 connected to the motor end cover 100. The end cover sealing portion 101 of the motor end cover 100 conflicts with the main sealing portion 201 of the main shell 200, and the main sealing portion 201 has a plurality of concave surfaces, which cooperate with the end cover sealing portion 101 to form a plurality of separated sealed spaces. The main sealing portion 201 has a plurality of concave surfaces, which cooperate with the end cover sealing portion 101 to form a plurality of separated sealed spaces. Sealing rings such as silicone or rubber materials can be set in these spaces. These separated spaces can effectively block the propagation of sound waves and vibration waves, thereby achieving the purpose of reducing vibration and noise.

[0029] Specifically, the end cover sealing portion 101 includes a first cover contact end 101a, a second cover contact end 101b, a third cover contact end 101c, a fourth cover contact end 101d, a fifth cover contact end 101e and a sixth cover contact end 101f, the first cover contact end 101a and the second cover contact end 101b are concave to form a first recess 101-1, the third cover contact end 101c, the fourth cover contact end 101d and the fifth cover contact end 101e are concave to form a second recess 101-2, and the main sealing portion 201 includes a first main contact end 201a, a second main contact end 201b and a third contact end 101d. Main contact end 201c, first cover contact end 101a and first main contact end 201a abut against each other to form a first sealing surface 301, second cover contact end 101b and third main contact end 201c abut against each other to form a second sealing surface 302, sixth cover contact end 101f and third main contact end 201c abut against each other to form a third sealing surface 303, a first recess 101-1 between the first sealing surface 301 and the second sealing surface 302 forms a first sealed space 304, and a second recess 101-2 between the second sealing surface 302 and the third sealing surface 303 forms a second sealed space 305;

[0030] The end cover sealing portion 101 of the motor end cover 100 forms a first recess 101-1 formed by the inward concavity of the first cover contact end 101a and the second cover contact end 101b, and a second recess 101-2 formed by the inward concavity of the third cover contact end 101c to the fifth cover contact end 101e. In conjunction with the contact between the first main contact end 201a, the third main contact end 201c, and the sixth cover contact end 101f of the main sealing portion 201, first sealing surfaces 301 to third sealing surfaces 303 are formed. A first sealed space 304 is formed between the first recess 101-1 and the first and second sealing surfaces 301 and 302, while a second sealed space 305 is formed between the second recess 101-2 and the second and third sealing surfaces 302 and 303. This structure effectively isolates and absorbs sound waves and vibration waves, achieving the function of vibration reduction and noise reduction.

[0031] In the embodiment, the motor end cover 100 is provided with an end cover bearing portion 103 at the axis center, and the main housing 200 is provided with an end bearing portion 203 at the axis center. The end bearing portion 203 is coaxially matched with the end cover bearing portion 103. The bearing portion is used to install the bearing, and the bearing is used to install the output shaft of the motor.

[0032] In the embodiment, the main mounting portion 202 on the main housing 200 is provided with a main adapting hole 202a, and the end cover mounting portion 102 of the motor end cover 100 is provided with an end cover adapting hole 102a. The end cover adapting hole 102a cooperates with the main adapting hole 202a, and the two adapting holes are connected by screws to achieve the installation between the motor end cover 100 and the main housing 200.

[0033] In the embodiment, the main housing 200 is provided with a terminal hole 204 for installing a motor terminal.

[0034] It is important to note that the configuration and arrangement of the present application, as shown in various exemplary embodiments, are illustrative only. Although only a few embodiments are described in detail in this disclosure, those reading this disclosure will readily appreciate that numerous modifications are possible (e.g., variations in the size, dimensions, structure, shape, and proportions of various components, as well as parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without materially departing from the novel teachings and advantages of the subject matter described herein. For example, components shown as integrally formed may be constructed from multiple parts or components, the positions of components may be inverted or otherwise altered, and the nature, number, or position of discrete components may be modified or changed. Therefore, all such modifications are intended to be encompassed within the scope of this invention. The order or sequence of any process or method steps may be altered or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover structures described herein that perform the function described, and not only structural equivalence but also equivalent structures. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0035] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0036] It will be appreciated that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will, for those of ordinary skill having the benefit of this disclosure, be a routine undertaking of design, fabrication, and production without undue experimentation.

[0037] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. A motor housing, comprising a motor end cover (100) and a main housing (200) connected to the motor end cover (100), characterized in that: The end cover sealing portion (101) of the motor end cover (100) is in conflict with the main sealing portion (201) of the main housing (200), and the main sealing portion (201) has a plurality of concave surfaces, which cooperate with the end cover sealing portion (101) to form a plurality of separated sealed spaces.

2. The motor housing according to claim 1, wherein: The end cover sealing portion (101) comprises a first cover contact end (101a), a second cover contact end (101b), a third cover contact end (101c), a fourth cover contact end (101d), a fifth cover contact end (101e) and a sixth cover contact end (101f); the first cover contact end (101a) and the second cover contact end (101b) are concave inwardly to form a first recess (101-1); the third cover contact end (101c), the fourth cover contact end (101d) and the fifth cover contact end (101e) are concave inwardly to form a second recess (101-2); and the main sealing portion (201) comprises a first main contact end (201a), a second main contact end (201b) and a third main contact end (201c).

3. The motor housing according to claim 2, wherein: The first cover contact end (101a) and the first main contact end (201a) are in contact with each other to form a first sealing surface (301); the second cover contact end (101b) and the third main contact end (201c) are in contact with each other to form a second sealing surface (302); the sixth cover contact end (101f) and the third main contact end (201c) are in contact with each other to form a third sealing surface (303); a first recess (101-1) between the first sealing surface (301) and the second sealing surface (302) forms a first sealing space (304); and a second recess (101-2) between the second sealing surface (302) and the third sealing surface (303) forms a second sealing space (305).

4. The motor housing according to claim 1, wherein: The end cover cavity (100a) of the motor end cover (100) and the main cavity (200a) of the main housing (200) are in communication.

5. The motor housing according to claim 4, wherein: An end cover bearing portion (103) is provided at the axis center of the motor end cover (100), and a terminal bearing portion (203) is provided at the axis center of the main housing (200), and the terminal bearing portion (203) is coaxially matched with the end cover bearing portion (103).

6. The motor housing according to claim 5, wherein: The main mounting portion (202) on the main housing (200) is provided with a main adapting hole (202a), and the end cover mounting portion (102) of the motor end cover (100) is provided with an end cover adapting hole (102a), and the end cover adapting hole (102a) matches the main adapting hole (202a).

7. The motor housing according to claim 4, wherein: The main housing (200) is provided with a terminal hole (204).

Images