Motor end cover and motor shell and controller shell connecting structure thereof
By designing step-like connecting blocks and connection holes on the motor end cover, the problem of inconvenient connection of the motor housing is solved, and the compact connection and convenient disassembly and assembly of the motor housing and the controller cover are achieved.
Patent Information
- Application Number
- CN202421417469.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-20
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-20
AI Technical Summary
Now, the radial space of the motor housing is larger at the connection between the motor housing and the controller housing and the bolts are arranged parallel to the housing, resulting in inconvenient disassembly.
A motor end cover is designed, including step-shaped connecting blocks, the first and second connecting holes are located on the outer side walls of the two steps, through these connecting blocks and holes, the motor end cover can simultaneously connect the motor housing and the controller cover and be fixed to the housing through the connecting member.
It realizes a compact connection between the motor housing and the controller cover, reduces radial space, facilitates disassembly and assembly operations, and improves the compactness of the overall structure and installation convenience.
Smart Images
Figure CN222691479U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of motor structures, and in particular relates to a motor end cover and a connection structure between a motor housing and a controller housing. Background Art
[0002] The joint motor is a mechatronic device consisting of a motor and a reducer. Its working principle is based on the synergy of the motor and the reducer to achieve high-precision movement. The joint motor is mainly composed of the motor body, reducer, bearing, controller component, shell and other parts. Among them, the motor body is the core part of the joint motor, responsible for generating rotational power; the reducer reduces the rotation speed of the motor to a speed suitable for the joint motor to work; the controller component is used to detect information such as the motor speed and the speed of the reducer output end, and accurately control the motor; the bearing is used to support the rotating part of the motor; and the shell protects the various parts of the joint motor from damage by the external environment.
[0003] The existing joint motor housing generally includes a motor housing and a controller housing. Usually, connecting ears are set on the connecting end faces of the motor housing and the controller housing and fixed by bolts. Such a structure makes the radial space of the housing larger, and the bolts are set parallel to the housing. When disassembling and installing the bolts, the tools are easy to interfere with the housing, making the operation inconvenient. Utility Model Content
[0004] In order to solve the above technical problems, the first purpose of the utility model is to provide a motor end cover, which can conveniently connect the motor housing and the controller cover. The second purpose of the utility model is to provide a connection structure between the motor housing and the controller housing.
[0005] In order to achieve the above first utility model purpose, the utility model adopts the following technical solutions:
[0006] A motor end cover comprises a plate body, a plurality of step-shaped connecting blocks are arranged at intervals along the outer edge of the plate body, a first connecting hole is opened at the upper part of the side wall of the connecting block, a second connecting hole is opened at the lower part of the side wall of the connecting block, and the first bolt hole and the second connecting hole are respectively located on the outer side walls of the two steps.
[0007] As a preferred solution: a plurality of positioning protrusions are arranged at intervals on the outer circumference of the plate body, and the positioning protrusions are arranged in a staggered manner with the connecting blocks.
[0008] As a preferred solution: a support column for supporting the circuit board is also provided on the inner side of the connecting block.
[0009] As a preferred solution: a through hole is opened in the middle of the plate body, and the lower part of the through hole extends downward to form a convex ring, and a bearing for cooperating with the rotating shaft is embedded in the convex ring.
[0010] As a preferred solution: a limiting ring plate is further provided on the upper part of the through hole of the plate body, and a wave spring is further provided between the bearing and the limiting ring plate.
[0011] As a preferred solution: the plate body is also provided with a long strip-shaped three-phase line through hole.
[0012] In order to achieve the above second utility model purpose, the utility model adopts the following technical solutions:
[0013] A connection structure between a motor housing and a controller housing, comprising a controller housing, a motor housing and a motor end cover as described above, wherein the controller housing is buckled outside a connection block and fixed to a first connection hole via a connection piece penetrating the controller housing, and the motor end cover is embedded in the motor housing and fixed to a second connection hole via a connection piece penetrating the motor housing.
[0014] As a preferred solution: a plurality of limiting notches matching with the positioning protrusions are further provided on the inner side of the upper edge of the motor housing.
[0015] As a preferred solution: a screw hole is further provided on the motor housing, and the screw passes through the screw hole and is fixed to the second connecting hole of the connecting block.
[0016] The utility model arranges a connecting block on the motor end cover so that the motor end cover can be connected to the motor housing and the controller cover at the same time, and the motor housing and the controller cover are respectively located on the outside of the motor end cover, so that the end faces of the motor housing and the controller cover can be spliced with each other, and the structure is more compact; in addition, the two connecting holes are respectively arranged on the outsides of the two step surfaces to form mutual staggering, which is convenient for installation operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The drawings in the specification, which constitute a part of the present application, are used to provide a further understanding of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute a limitation on the present application.
[0018] Figure 1 It is a three-dimensional structural schematic diagram of the front side of the utility model;
[0019] Figure 2 It is a three-dimensional structural schematic diagram of the reverse side of the utility model;
[0020] Figure 3 It is a schematic diagram of the assembly structure of the controller cover, the motor end cover and the motor housing of the utility model;
[0021] Figure 4 It is a structural schematic diagram of the motor housing of the utility model.
[0022] The accompanying drawings are marked as follows: 1. controller housing; 4. plate body; 41. support column; 411. bottom support column; 412. limiting boss; 42. connecting block; 43. positioning boss; 44. three-phase line through hole; 45. limiting ring plate; 46. bearing; 47. wave spring; 5. motor housing; 51. limiting notch; 52. screw hole; 53. screw. DETAILED DESCRIPTION
[0023] It should be noted that the following detailed descriptions are illustrative and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.
[0024] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.
[0025] In addition, in the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more, unless otherwise clearly defined.
[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0028] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0029] The utility model is further described below in conjunction with the accompanying drawings and embodiments:
[0030] like Figure 1 and Figure 2 A motor end cover shown in the figure includes a plate body 4, and a plurality of step-shaped connecting blocks 42 are arranged at intervals along the outer edge of the plate body 4. A first connecting hole is opened at the upper part of the side wall of the connecting block 42, and a second connecting hole is opened at the lower part of the side wall of the connecting block 42, and the first connecting hole and the second connecting hole are respectively located on the outer side walls of the two steps.
[0031] A plurality of positioning protrusions 43 are also arranged at intervals on the outer circumference of the plate body 4, and the positioning protrusions 43 are arranged in a staggered manner with the connecting block 42. A support column 41 for supporting the circuit board is also arranged on the inner side of the connecting block 42. The support column 411 includes two upper and lower bottom support columns 411 with different outer diameters and a limiting protrusion 412, the bottom support column 411 is against the lower end surface of the second circuit board 3, the limiting protrusion 412 is inserted into the notch of the second circuit board 3, and a bolt for pressing the second circuit board 3 is also arranged in the upper cylinder.
[0032] A through hole is formed in the middle of the plate body 4, and the lower part of the through hole extends downward to form a convex ring, in which a bearing 46 for cooperating with the rotating shaft is embedded. A limiting ring plate 45 is also provided at the upper part of the through hole of the plate body 4, and a wave spring 47 is also provided between the bearing 46 and the limiting ring plate 45.
[0033] The structure of the above-mentioned motor end cover is provided with a structure for connecting the motor housing and the controller cover, a structure that can stably support the circuit board, and an installation limit structure for the bearing with a wave spring that cooperates with the rotating shaft. The entire motor end cover is rich in functions and highly integrated, which facilitates the miniaturization design of the whole machine and ensures the stability of the overall performance.
[0034] The plate body 4 is also provided with a long three-phase line through hole 44 to facilitate the connection of the internal circuits of the motor, especially the three-phase lines of the motor and the resolver and other circuits with the circuit board in the controller cover.
[0035] like Figure 3 and Figure 4 As shown, a connection structure between a motor housing and a controller housing includes a controller housing 1, a motor housing 5 and a motor end cover, wherein the controller housing 1 is buckled outside a connection block 42 and is fixed to a first connection hole via a connection piece penetrating the controller housing 1, and the motor end cover is embedded in the motor housing 5 and is fixed to a second connection hole via a connection piece penetrating the motor housing 5.
[0036] The inner side of the upper edge of the motor housing 5 is also provided with a plurality of limiting notches 51 that match the positioning protrusions 43. The motor housing 5 is also provided with screw holes 52, and the screws 53 penetrate through the screw holes 52 and are fixed to the second connection holes of the connection block 42.
[0037] The utility model arranges a connecting block on the motor end cover so that the motor end cover can be connected to the motor housing and the controller cover at the same time, and the motor housing and the controller cover are respectively located on the outside of the motor end cover, so that the end faces of the motor housing and the controller cover can be spliced with each other, and the structure is more compact; in addition, the two connecting holes are respectively arranged on the outsides of the two step surfaces to form mutual staggering, which is convenient for installation operation.
[0038] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
[0039] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.
Claims
1. A motor end cover, characterized in that: The invention comprises a plate body (4), wherein a plurality of step-shaped connecting blocks (42) are arranged at intervals along the outer edge of the upper edge of the plate body (4), a first connecting hole is provided at the upper portion of the side wall of the connecting block (42), a second connecting hole is provided at the lower portion of the side wall of the connecting block (42), and the first connecting hole and the second connecting hole are respectively located on the outer side walls of the two steps.
2. The motor end cover according to claim 1, characterized in that: A plurality of positioning protrusions (43) are also arranged at intervals on the outer circumference of the plate body (4), and the positioning protrusions (43) are arranged in a staggered manner with the connecting blocks (42).
3. The motor end cover according to claim 1, characterized in that: A support column (41) for supporting a circuit board is also provided on the inner side of the connection block (42).
4. The motor end cover according to claim 1, characterized in that: A through hole is provided in the middle of the plate body (4), and the lower part of the through hole extends downward to form a convex ring, in which a bearing (46) for cooperating with the rotating shaft is embedded.
5. The motor end cover according to claim 4, characterized in that: A limiting ring plate (45) is also provided at the upper portion of the through hole of the plate body (4), and a wave spring (47) is also provided between the bearing (46) and the limiting ring plate (45).
6. The motor end cover according to claim 1, characterized in that: The plate body (4) is also provided with a long strip-shaped three-phase line through hole (44).
7. A connection structure between a motor housing and a controller housing, characterized in that: It comprises a controller housing (1), a motor housing (5) and a motor end cover as described in any one of claims 1 to 6 above, wherein the controller housing (1) is buckled outside the connecting block (42) and is fixed to the first connecting hole by a connecting piece passing through the controller housing (1), and the motor end cover is embedded in the motor housing (5) and is fixed to the second connecting hole by a connecting piece passing through the motor housing (5).
8. The connection structure between a motor housing and a controller housing according to claim 7, characterized in that: The inner side of the upper edge of the motor housing (5) is also provided with a plurality of limiting notches (51) that match the positioning protrusions (43).
9. The connection structure between a motor housing and a controller housing according to claim 7, characterized in that: The motor housing (5) is also provided with a screw hole (52), and a screw (53) passes through the screw hole (52) and is fixed to the second connection hole of the connection block (42).