Brushless motor adapter plate supporting and opposite inserting structure

Abstract

The utility model discloses a brushless motor adapter plate support plug-in structure, which comprises a casing, a wiring board support stator assembly arranged in the casing, and an adapter plate support assembly assembled at the end part of the casing and connected with the wiring board support stator assembly, an annular flange is formed at the end of the machine shell along the edge position, the annular flange extends towards the inner ring to form a limiting convex edge, and a plurality of positioning holes are formed in the limiting convex edge. The adapter plate supporting assembly comprises an injection molding part body and a three-phase conducting strip, a limiting groove matched with the limiting convex edge is formed in the bottom of the injection molding part body, and a plurality of positioning pin tables matched with the positioning holes are further formed in the bottom of the injection molding part body; the injection molding part body is tightly attached to the annular flange and is limited through the limiting groove and the limiting convex edge, and the positioning pin table is inserted into the positioning hole. The controller is compact in structural layout, small in size, stable in fixing and limiting, and beneficial to heat dissipation of the controller.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor technical field especially relates to a brushless motor adapter plate support pair of plug structure. BACKGROUND

[0002] The brushless motor for new energy automobile requires low voltage, big torque, small volume and light weight, so the motor needs compact structure, small volume, high strength, good reliability and impact resistance. The heat dissipation of the motor controller also needs to be improved. Generally, the welding points need to be arranged in the outer periphery of the controller to facilitate heat dissipation, and the three-phase welding heads of the adapter plate support assembly need to be arranged at the edge of the shell.

[0003] However, the structure of the adapter plate support assembly is generally large in size and occupies a large space, which is not conducive to the use in small volume motors and the installation and adjustment of the controller heat dissipation structure. In addition, the traditional adapter plate support assembly cannot be stably and firmly arranged at the edge of the shell, and other fixing structures need to be added for fixation and limiting, which also occupies a lot of space and is complicated to disassemble and replace, which does not meet the requirements of compact structure and small volume of new energy automobile motors. SUMMARY

[0004] The utility model solves the technical problem of the prior art and provides a brushless motor adapter plate support pair of plug structure, which has compact structure, small volume, stable fixation and limiting, and is conducive to the heat dissipation of the controller.

[0005] To solve the above technical problems, the technical scheme of the utility model is as follows:

[0006] A brushless motor adapter plate support pair of plug structure includes a shell, a wiring board support stator assembly arranged in the shell, and an adapter plate support assembly assembled at the end of the shell and connected with the wiring board support stator assembly.

[0007] The edge of the end of the shell is provided with an annular flange, the annular flange extends inward to form a limiting flange, and a plurality of positioning holes are formed in the limiting flange.

[0008] The adapter plate support assembly includes an injection molding part body and three-phase conductive sheets, the bottom of the injection molding part body is provided with a limiting groove matched with the limiting flange, and the bottom of the injection molding part body is also provided with a positioning pin table matched with the positioning holes.

[0009] The injection molding part body is tightly attached to the annular flange and limited by the limiting groove and the limiting flange, and the positioning pin table is inserted into the positioning hole.

[0010] Further, a plurality of clamping ribs are formed on the side wall of the positioning pin table.

[0011] Further, the three-phase conductive sheet is in a corner shape, and the injection molding part body is injection molded and wrapped at the corner of the three-phase conductive sheet.

[0012] Further, the adapter plate support assembly is provided with two, and one end of the three-phase conductive sheet is welded with the conductive sheet of the wiring board support stator assembly.

[0013] Further, the limiting protruding edge is in an arc shape.

[0014] The above technical scheme is adopted, and the utility model has the beneficial effects that:

[0015] 1. The adapter plate support assembly is arranged at the outer edge of the shell, the limiting groove at the bottom of the injection molding part body is matched with the limiting protruding edge on the shell, the positioning pin table is inserted and fixed with the positioning hole, the fixing stability of the adapter plate support assembly can be ensured, the welding point position can be made more outward at the outer edge of the shell, the plate arrangement space is increased, and the heat dissipation arrangement of the controller is beneficial.

[0016] 2. The adapter plate support assembly is small in size, can be stably matched with the outer edge of the shell, is compact in structure, convenient to disassemble and replace, leaves sufficient space for the heat dissipation structure of the controller, and is suitable for use in a small-size motor. DRAWINGS

[0017] Fig. 1 It is a schematic view of the overall assembly structure of the utility model;

[0018] Fig. 2 It is a schematic view of the local structure of the utility model;

[0019] Fig. 3 It is an enlarged schematic view of the structure of the adapter plate support assembly of the utility model;

[0020] 1. shell; 10. annular flange; 100. limiting protruding edge; 101. positioning hole; 2. adapter plate support assembly; 20. injection molding part body; 21. three-phase conductive sheet; 200. limiting groove; 201. positioning pin table; 2010. rib; 3. wiring board support stator assembly. DETAILED DESCRIPTION

[0021] In order to make the content of the utility model more easily and clearly understood, the utility model is further described in detail below according to specific embodiments and in combination with the drawings.

[0022] As Figs. 1-3As shown, in the present embodiment, a brushless motor adapter plate support plug-in structure is provided, which mainly comprises a casing 1, two adapter plate support assemblies 2, a wiring board support stator assembly 3 and the like. Among them, the wiring board support stator assembly 3 is arranged in the casing 1, and the adapter plate support assembly 2 is assembled at the end of the casing 1 and connected with the wiring board support stator assembly 3.

[0023] Specifically, the adapter plate support assembly 2 comprises an injection molded body 20 and a three-phase conductive sheet 21, the three-phase conductive sheet 21 is an angle shape, which is convenient for welding communication, the injection molded body 20 is injection molded at the angle of the three-phase conductive sheet 21, one end of the three-phase conductive sheet 21 is welded with the conductive sheet of the wiring board support stator assembly 3, and the other end is used for connecting with the controller.

[0024] The adapter plate support assembly 2 used in the present embodiment has a small overall size, and the injection molded body 20 is small and does not occupy space. In order to make it firmly fixed at the edge of the casing 1, a ring-shaped flange 10 is formed at the edge position of the end of the casing 1, the ring-shaped flange 10 extends inward to form a limiting convex edge 100, and two positioning holes 101 are formed on the limiting convex edge 100. At the same time, a limiting groove 200 matched with the limiting convex edge 100 is formed at the bottom of the injection molded body 20, and two positioning pin tables 201 matched with the positioning holes 101 are formed at the bottom of the injection molded body 20. When assembling, the injection molded body 20 is tightly attached to the ring-shaped flange 10 and is limited by the limiting groove 200 and the limiting convex edge 100, and the positioning pin tables 201 are inserted into the positioning holes 101 to form fixation, so as to ensure the stability of the adapter plate support assembly 2.

[0025] In order to improve the stability of the injection molded body 20, a plurality of clamping ribs 2010 are formed on the side wall of the positioning pin table 201, so that the positioning pin table 201 can be firmly fixed when inserted into the positioning hole 101. In addition, the edge angle of the limiting convex edge 100 is arc-shaped, which can facilitate the quick positioning of the injection molded body 20 during limiting assembly, and prevent jamming.

[0026] Through the above design, it can be seen that the adapter plate support assembly 2 in the present embodiment is installed and arranged at the outer edge of the casing 1, and the limiting groove 200 at the bottom of the injection molded body 20 is matched with the limiting convex edge 100 on the casing 1, and then the positioning pin tables 201 are inserted into the positioning holes 101 to form fixation, so as to ensure the stability of the adapter plate support assembly 2; the welding point position can be made more outward at the outer edge of the casing 1, the wiring board space is increased, which is beneficial to the heat dissipation layout of the controller. At the same time, the adapter plate support assembly 2 in the present embodiment has a small size, which can be stably matched at the outer edge of the casing 1, has a compact structure, and is convenient to disassemble and replace, leaving enough space for the heat dissipation structure of the controller, and is suitable for use in small volume motors.

[0027] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0028] The above specific embodiments further specifically describe the technical problems, technical solutions and beneficial effects solved by the utility model. It should be understood that the above description is only for specific embodiments of the utility model and is not used to limit the utility model. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A brushless motor adapter board support mating structure, characterized by: The utility model relates to a kind of terminal board support components, including shell (1), wiring board support stator assembly (3) being arranged in shell (1), and adapter plate support assembly (2) being assembled to the end of shell (1) and being connected with wiring board support stator assembly (3); The edge of the end of the shell (1) is provided with a ring-shaped flange (10), which extends inward to form a limiting flange (100), and a plurality of positioning holes (101) are formed in the limiting flange (100); The adapter plate support assembly (2) includes an injection molded body (20) and a three-phase conductive sheet (21), the bottom of the injection molded body (20) is provided with a limiting groove (200) adapted to the limiting flange (100), and a plurality of positioning pin platforms (201) adapted to the positioning holes (101) are formed on the bottom of the injection molded body (20); The injection molded body (20) is tightly attached to the ring-shaped flange (10) and is limited by the limiting groove (200) and the limiting flange (100), and the positioning pin platforms (201) are inserted into the positioning holes (101).

2. The support plug-in structure for a brushless motor adapter plate according to claim 1, characterized in that: A plurality of clamping ribs (2010) are formed on the side wall of the positioning pin platforms (201).

3. The support plug-in structure for a brushless motor adapter plate according to claim 1, wherein: The three-phase conductive sheet (21) is in the shape of an angle, and the injection molded body (20) is injection molded around the angle of the three-phase conductive sheet (21).

4. The support plug-in structure for a brushless motor adapter plate of claim 1, wherein: The adapter plate support assembly (2) is provided with two, and one end of the three-phase conductive sheet (21) is welded to the conductive sheet of the wiring board support stator assembly (3).

5. The support plug-in structure for a brushless motor adapter plate of claim 1, wherein: The edge of the limiting flange (100) is in the shape of an arc.

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