电器盒组件、电机

Abstract

本实用新型提供一种电器盒组件、电机，其中电器盒组件，包括电器盒盒体、端盖，端盖的第一端面与电机的非轴伸端可拆卸连接，电器盒盒体具有开口，端盖的第二端面连接于开口处以封闭开口，端盖的第二端面与电器盒盒体的开口壁体端面之间具有插装限位结构以及连接定位结构，其中，插装限位结构用于限制端盖相对于电器盒盒体的周向旋转，连接定位结构用于在插装限位结构将端盖的周向位置形成限位后对端盖的轴向位移进行定位。本实用新型有效防止两者装配时的错位导致的连接不牢、密封不佳的现象发生，从而有效杜绝由于密封不佳导致的内部元件暴露或者插接件接触不良、电器元件短路或者损坏导致的安全隐患等问题的发生。

Claims

1. An electrical box assembly, comprising: The device includes an electrical box body (1) and an end cap (2). The first end face of the end cap (2) is detachably connected to the non-shaft extension end of the motor. The electrical box body (1) has an opening. The second end face of the end cap (2) is connected to the opening to close the opening. The second end face of the end cap (2) and the opening wall end face of the electrical box body (1) have an insertion limiting structure and a connection positioning structure. The insertion limiting structure is used to limit the circumferential rotation of the end cap (2) relative to the electrical box body (1). The connection positioning structure is used to position the axial displacement of the end cap (2) after the insertion limiting structure limits the circumferential position of the end cap (2).

2. The electrical box assembly of claim 1, wherein, The insertion limiting structure includes a slot (11) on the end face of the opening wall of the electrical box body (1) and a hook (21) on the second end face of the end cover (2). The hook (21) is inserted into the slot (11). The insertion limiting structure has at least two sets, and each set of the insertion limiting structure is evenly spaced around the opening. And / or, the connection positioning structure includes a connection through hole (12) on the end face of the opening wall of the electrical box body (1), a threaded hole (22) on the end cover (2), and a screw that can pass through the connection through hole (12) and be threadedly connected to the threaded hole (22).

3. The electrical box assembly of claim 2, wherein, Multiple mounting bases (13) are formed on the bottom wall of the electrical box body (1). A circuit board (3) is provided inside the electrical box body (1), and the circuit board (3) is supported and assembled on each of the mounting bases (13).

4. The electrical box assembly of claim 3, wherein, The circuit board (3) has a rectifier module (31), which is a flat structure, and the side where the thickness of the flat structure is located is parallel to and electrically connected to the surface of the circuit board (3).

5. The electrical box assembly of claim 4, wherein, A cable outlet clamp (4) is assembled on the vertical wall of the electrical box body (1). The cable outlet clamp (4) has an outer wall (41) on the outside of the vertical wall, an inner wall (42) on the inside of the vertical wall, and a connecting wall (43) connecting the corresponding ends of the outer wall (41) and the inner wall (42). The outer wall (41), the connecting wall (43), and the inner wall (42) form an insertion groove (40). The cable outlet clamp (4) is sleeved on the vertical wall of the electrical box body (1) through the insertion groove (40).

6. The electrical box assembly of claim 5, wherein, The inner wall (42) has a limiting arm (421) on one side near the bottom wall of the electrical box body (1), and the limiting arm (421) and the vertical wall of the electrical box body (1) clamp the opposite sides of the rectifier module (31).

7. The electrical box assembly of claim 6, wherein, The limiting arm (421) has two spaced-apart arms, which are respectively located on both sides of the width or length of the rectifier module (31); and / or, the limiting arm (421) is elastic.

8. The electrical box assembly of claim 5, wherein, At least two protrusions (10) are formed on the end face of the opening wall of the electrical box body (1), each of the slots (11) is formed on the side of each of the protrusions (10), and a positioning through hole is formed on the connecting wall (43), and one of the protrusions (10) is inserted through the positioning through hole.

9. The electrical box assembly of claim 1, wherein, Heat dissipation fins (14) are formed on the outer end face of the bottom wall of the electrical box body (1); and / or, the electrical box body (1) is integrally injection molded from thermally conductive material.

10. An electric machine characterized by Includes the electrical box assembly according to any one of claims 1 to 9.

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