CN216490129U

CN216490129U - Brushless motor

Info

Publication number: CN216490129U
Application number: CN202122704963.8U
Authority: CN
Inventors: 张才勇
Original assignee: Shenzhen Topband Co Ltd
Current assignee: Shenzhen Topband Co Ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-05-10
Anticipated expiration: 2031-11-05

Abstract

The utility model provides a brushless motor which comprises a rotor and a stator, wherein the stator comprises a control plate, a bobbin assembly and a winding, the bobbin assembly comprises a base part, a winding part arranged on the base part, a supporting part arranged on the base part and at least two buckles arranged on the supporting part at intervals in the circumferential direction, the winding is wound on the winding part, the control plate is arranged on one axial side of the bobbin assembly, the supporting part supports the control plate to face one side of the bobbin assembly, and the buckles buckle the control plate so as to fix the control plate on the bobbin assembly. The brushless motor is a motor with a controller and the motor integrated mechanically and electrically, the control panel is mounted on the wire frame in a buckling mode, the control panel does not need to be fixed through screws, the space on the control panel can be saved, more components can be conveniently distributed on the control panel, and more functions are achieved.

Description

Brushless motor

Technical Field

The utility model relates to the field of motors, in particular to a brushless motor.

Background

The brushless motor generally comprises a control board, the control board of the conventional brushless motor is usually fixed by screws, and the larger head of the screw occupies much space of the control board, so that the space of the control board which is originally small in space is more tense, and the arrangement of electronic components on the control board is more difficult.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an improved brushless motor, which addresses the above-mentioned shortcomings in the related art.

The technical scheme adopted by the utility model for solving the technical problem comprises the following steps: the utility model provides a brushless motor, includes rotor and stator, and the stator includes control panel, line frame subassembly and winding, and the line frame subassembly includes the basal portion, establishes wire winding portion on the basal portion, establish supporting part on the basal portion with establish the buckle that two at least circumference intervals on the supporting part set up, the winding is twined in wire winding portion is last, the control panel is established axial one side of line frame subassembly, the supporting part supports the control panel orientation line frame subassembly one side, the buckle is withheld the control panel, with the control panel is fixed on the line frame subassembly.

Preferably, the outer edge of the control panel is provided with a positioning notch, and the buckle is correspondingly buckled in the positioning notch.

Preferably, the buckle includes that one end is connected the reference column that the axial of supporting part stretches out and establishes the radial convex bulge of the reference column other end, the location breach with the reference column matches for realizing the circumference location of control panel, the bulge with the control panel dorsad one side of line frame subassembly offsets, thereby the buckle is detained the control panel.

Preferably, the direction of projection of the projection is inward.

Preferably, the control plate is provided with a through hole.

Preferably, the base portion is annular, and the winding portion is provided inside the base portion.

Preferably, the bobbin assembly comprises first and second bobbins which are axially combined, the first and second bobbins respectively comprising part of the winding portion.

Preferably, the buckle is arranged on the first wire frame or the second wire frame.

Preferably, the support portion includes at least two support portions, each support portion is provided with the buckle, the buckle is arranged on one side of the support portion, which faces away from the base portion, in the axial direction, and the circumferential dimension of the support portion is greater than that of the buckle.

Preferably, the support portion is an arc shape bent parallel to the axis of the brushless motor.

The technical scheme of the utility model at least has the following beneficial effects: the brushless motor is a motor with a controller and the motor integrated mechanically and electrically, the control panel is mounted on the wire frame in a buckling mode, the control panel does not need to be fixed through screws, the space on the control panel can be saved, more components can be conveniently distributed on the control panel, and more functions are achieved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a plan view of a brushless motor according to an embodiment of the present invention.

Fig. 2 is a sectional view taken at a position a-a in fig. 1.

Fig. 3 is a perspective view of a second wire stand of the wire stand assembly of fig. 2.

Fig. 4 is a front projection view of the control panel of fig. 2.

The reference numerals in the figures denote: the bobbin assembly 11, the buckle 111, the positioning column 1111, the protrusion 1112, the base 112, the support portion 113, the winding portion 114, the first bobbin 11a, the second bobbin 11b, the control board 12, the through hole 121, the positioning notch 122, the winding 13, and the rotating shaft 14.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It is to be understood that, unless otherwise expressly stated or limited, the terms "mounted," "connected," "disposed," and the like are intended to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. If the terms "first", "second", "third", etc. are used herein only for convenience in describing the present technical solution, they are not to be taken as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the utility model. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

Referring to fig. 1 to 4, a brushless motor according to an embodiment of the present invention includes a rotor and a stator, the stator includes a control board 12, a bobbin assembly 11, and a winding 13, the control board 12 includes a PCB and a component disposed on the PCB, the bobbin assembly 11 includes a base 112, a winding portion 114 disposed on the base 112, a support portion 113 disposed on the base 112, and at least two circumferentially spaced-apart fasteners 111 disposed on the support portion 113, the winding 13 is wound on the winding portion 114, the control board 12 is disposed on an axial side of the bobbin assembly 11, the support portion 113 supports the control board 12 toward the bobbin assembly 11, and the fasteners 111 fasten the control board 12 to fix the control board 12 on the bobbin assembly 11.

This brushless motor is controller and motor formation mechatronics's motor, adopts buckle 111 formula installation control panel 12 on the line frame, and control panel 12 need not to fix through the screw, can practice thrift the space on the control panel 12, conveniently lays more components and parts on control panel 12, realizes more functions.

Preferably, the outer edge of the control panel 12 is provided with a positioning notch 122, and the latch 111 is correspondingly buckled in the positioning notch 122.

Preferably, the buckle 111 includes an axially extending positioning pillar 1111 with one end connected to the supporting portion 113, and a radially protruding protrusion 1112 disposed at the other end of the positioning pillar 1111, the positioning notch 122 is matched with the positioning pillar 1111, so that the positioning pillar 1111 sinks into the positioning notch 122 to realize circumferential positioning of the control board 12, and the protrusion 1112 abuts against a side of the control board 12 facing away from the wire frame assembly 11, so that the buckle 111 buckles the control board 12. The projecting direction of the projecting portion 1112 is inward.

Preferably, the control board 12 is provided with a through hole 121, the control board 12 is substantially annular, and the rotating shaft 14 of the brushless motor passes through the through hole 121 of the control board 12.

Preferably, the base 112 of the bobbin assembly 11 is annular and the winding portion 114 is disposed inside the base 112.

Preferably, the bobbin assembly 11 includes first and

second bobbins

11a and 11b axially combined, the first and

second bobbins

11a and 11b respectively including partial winding portions 114. The buckle 111 is arranged on the first wire frame 11a or the second wire frame 11 b.

Preferably, the support portion 113 includes at least two support portions 113, each support portion 113 is provided with a buckle 111, the buckle 111 is arranged on one side of the support portion 113, which faces away from the base portion 112 in the axial direction, i.e. on the side of the support portion 113 supporting the control board 12, and the side is a plane parallel to the control board 12, and the circumferential dimension of the support portion 113 is larger than the circumferential dimension of the buckle 111, so that the support portion 113 can support the control board 12. The support portion 113 is in the shape of an arc bent parallel to the axis of the brushless motor, and is adapted to the arc outer contour of the base portion 112.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as it will be apparent to those skilled in the art that various modifications, combinations and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a brushless motor, its characterized in that, includes rotor and stator, and the stator includes control panel (12), line frame subassembly (11) and winding (13), and line frame subassembly (11) includes basal portion (112), establishes wire winding portion (114) on basal portion (112), establish supporting part (113) on basal portion (112) and establishing buckle (111) that two at least circumference intervals on supporting part (113) set up, winding (13) winding is in on wire winding portion (114), establish control panel (12) axial one side of line frame subassembly (11), supporting part (113) support control panel (12) orientation line frame subassembly (11) one side, buckle (111) are detained control panel (12), with control panel (12) are fixed on line frame subassembly (11).

2. The brushless electric machine according to claim 1, characterized in that the outer edge of the control plate (12) is provided with a positioning notch (122), and the snap (111) is correspondingly snapped in the positioning notch (122).

3. The brushless electric machine according to claim 2, wherein the latch (111) comprises an axially protruding positioning post (1111) having one end connected to the support portion (113) and a radially protruding protrusion (1112) provided at the other end of the positioning post (1111), the positioning notch (122) is matched with the positioning post (1111) for circumferential positioning of the control board (12), the protrusion (1112) abuts against a side of the control board (12) facing away from the bobbin assembly (11), so that the latch (111) latches the control board (12).

4. A brushless electric machine according to claim 3, characterized in that the projecting direction of the projections (1112) is inward.

5. The brushless electric machine according to claim 1, wherein the control board (12) is provided with a through hole (121).

6. The brushless motor according to claim 1, wherein the base portion (112) has a ring shape, and the winding portion (114) is provided inside the base portion (112).

7. The brushless electric machine according to claim 1, wherein the bobbin assembly (11) includes a first bobbin (11a) and a second bobbin (11b) axially combined, the first bobbin (11a) and the second bobbin (11b) respectively including portions of the winding portion (114).

8. The brushless motor according to claim 7, wherein the catch (111) is provided on the first bobbin (11a) or the second bobbin (11 b).

9. The brushless motor according to claim 1, wherein the support portion (113) comprises at least two support portions (113), the catch (111) is provided on each support portion (113), the catch (111) is provided on a side of the support portion (113) facing away from the base portion (112) in the axial direction, and a circumferential dimension of the support portion (113) is larger than a circumferential dimension of the catch (111).

10. The brushless motor according to claim 1, wherein the support portion (113) is arc-shaped bent parallel to the brushless motor axis.