CN212209958U - A wire hook frame for connection and fastening type brushless motor - Google Patents

Abstract

The utility model discloses a wire hook frame for a connection and fastening type brushless motor, which comprises an insulating base body and a plurality of commutation pieces, the plurality of commutation pieces are fixed on the insulating base body side by side, and the plurality of commutation pieces are mutually There is a certain angle distribution between them; the commutator piece includes a first connecting piece, a second connecting piece, a third connecting piece and a base that are connected and integrally formed, and one end of the second connecting piece is connected with one end of the first connecting piece , the other end of the second connecting piece is connected with one end of the third connecting piece, the bottom of the second connecting piece is connected with a base, the base is embedded and fixed in the insulating base, the first connecting piece and the third connecting piece are respectively connected with the second connecting piece At a certain angle, the third connecting piece adopts an arc structure. The utility model is a wire hooking frame for a brushless motor with a fast connection, which is used for the wiring connection between the stator and the switch of the brushless motor. The structure is stable and the strength is high. And the base adopts a trapezoidal structure, the structure is more stable and the safety is high.

Description

A wire hook frame for connection and fastening type brushless motor

technical field

The utility model relates to a wire hooking frame structure, in particular to a wire hooking frame for a connection and fastening type brushless motor.

Background technique

Although the development time of brushless motor in my country is short, it has developed rapidly with the increasing maturity and improvement of technology. It has been widely used in many fields such as model aircraft, medical equipment, household appliances, electric vehicles, etc. The brushless motor is composed of a motor body and a driver, and is a typical mechatronic product. Structurally, the brushless motor is similar to the brushed motor, and also has a rotor and a stator, but the structure of the brushed motor is opposite; the rotor of the brushed motor is a coil winding, which is connected to the power output shaft, and the stator is a permanent magnet magnet. Steel; the rotor of the brushless motor is a permanent magnet steel, which is connected with the output shaft together with the outer casing, and the stator is a winding coil.

The brushless motor uses semiconductor switching devices to realize electronic steering, that is, electronic switching devices are used to replace the contact commutator and brushes of traditional brushed motors, so the wiring connection between the electronic switching devices and the brushless motor stator is required to be certain. Be solid and reliable. The wiring connection between the stator of the brushless motor and the electronic switching device in the prior art is to directly align the wire ends of the two before welding, which is easy to cause the inaccurate position of the welding wire, the easy loosening of the welding wire, the poor quality of the welding wire and other deficiencies. The performance and appearance design functions of the entire brushless motor are affected.

Utility model content

Purpose of the utility model: The purpose of the utility model is to solve the deficiencies in the prior art, and to provide this kind of connection and fastening type brushless motor wire hook, which is used for the wiring connection between the brushless motor stator and the switch, and has a stable structure and The strength is high, and the energy consumption can be further reduced by adopting a new type of commutator segment structure, and the base adopts a trapezoidal structure, which is more stable in structure and high in safety.

Technical scheme: A connection and fastening type brushless motor wire hook frame according to the present invention includes an insulating base body and a plurality of commutator segments, and a plurality of the commutator segments are fixed on the insulating base body side by side, and many The commutator segments are distributed at a certain angle with each other; the commutator segments include a first connecting piece, a second connecting piece, a third connecting piece and a base that are connected to each other and integrally formed, and the second connecting piece One end of the second connecting piece is connected with one end of the first connecting piece, the other end of the second connecting piece is connected with one end of the third connecting piece, the bottom of the second connecting piece is connected with a base, and the base is embedded and fixed In the insulating base, the first connecting piece and the third connecting piece are respectively at a certain angle with the second connecting piece, and the third connecting piece adopts an arc structure.

Further, the insulating base is made of bakelite powder.

Further, the commutator segment is made of silver-copper alloy material.

Further, the commutator segment includes a first commutator segment, a second commutator segment and a third commutator segment arranged in parallel, the second commutator segment is perpendicular to the length direction of the insulating base body, and the first commutator segment is perpendicular to the length direction of the insulating substrate. A commutator segment and a third commutator segment respectively form an included angle of 10° with the second commutator segment.

Further, the first connecting pieces of the first commutating piece, the second commutating piece and the third commutating piece are parallel to each other, and the third connecting pieces are not parallel to each other.

Further, an arc transition connection is adopted between the first connecting piece and the second connecting piece.

Further, the included angle between the first connecting piece and the second connecting piece is 30°, and the third connecting piece is tilted upward.

Further, the widths of the second connecting piece and the third connecting piece are equal; the widths of the second connecting piece and the third connecting piece are greater than the width of the first connecting piece.

Further, the cross section of the base adopts a trapezoidal structure, and the bottom length of the trapezoidal structure is 7 mm and the width is 2 mm.

Further, the third connecting piece is provided with a through hole.

Beneficial effects: The utility model is a wire hook frame for a brushless motor with a connection and fastening type, which is used for the wiring connection between the stator and the switch of the brushless motor, and has a stable structure and high strength. Energy consumption, and the base adopts a trapezoidal structure, the structure is more stable and the safety is high.

Description of drawings

Fig. 1 is the structural front view of the utility model;

Fig. 2 is the A-A structure sectional view of Fig. 1;

Fig. 3 is the left side view of Fig. 1;

FIG. 4 is a right side view of FIG. 1 .

Detailed ways

The technical solutions of the present invention will be further described in detail below with reference to specific embodiments.

As shown in FIG. 1 to FIG. 4 , a wire hook frame for a connection and fastening type brushless motor includes an insulating base 1 and a plurality of commutating segments, and a plurality of the commutating segments are fixed on the insulating base 1 side by side. , a plurality of the commutator segments are distributed at a certain angle with each other; the commutator segments include a first connecting piece 5, a second connecting piece 6, a third connecting piece 7 and a base 8 that are interconnected and integrally formed, One end of the second connecting piece 6 is connected to one end of the first connecting piece 5 , the other end of the second connecting piece 6 is connected to one end of the third connecting piece 7 , and the second connecting piece 6 A base 8 is connected to the bottom of the base, and the base 8 is embedded and fixed in the insulating base 1. The first connecting piece 5 and the third connecting piece 7 are at a certain angle with the second connecting piece 6 respectively. The three connecting pieces 7 adopt an arc structure.

As a further optimization of the above embodiment:

In this embodiment, preferably, the insulating base 1 is made of bakelite powder material, which can ensure the firmness of the connection while playing an insulating role.

In this embodiment, preferably, the commutator segment is made of silver-copper alloy material, which has high strength and is safe to use.

In this embodiment, preferably, three commutator segments are preferably used, and the commutator segments include a first commutator segment 2, a second commutator segment 3 and a third commutator segment 4 arranged in parallel. The segment 3 is perpendicular to the length direction of the insulating base 1 , and the first commutator segment 2 and the third commutator segment 4 respectively form an included angle of 10° with the second commutator segment 3 .

Further, as shown in FIG. 1 , the first connecting pieces 5 of the first commutating piece 2 , the second commutating piece 3 and the third commutating piece 4 are parallel to each other, and the first connecting pieces 5 are mutually parallel. The distance between them is 6.8mm, and the third connecting pieces 7 are not parallel to each other and form a certain angle. Thus, it is ensured that the wire hooking side is normally hooked, and the third connecting piece 7 side, that is, the welding side, is staggered and separated by welding. By adopting the new angle structure of the commutator segments, the energy consumption of the motor can be effectively reduced, thereby reducing the energy consumption of the brushless motor as a whole.

In this embodiment, preferably, a circular arc transition connection is adopted between the first connecting piece 5 and the second connecting piece 6 , and the radius of the transition arc is 0.55 mm. Further, the included angle between the first connecting piece 5 and the second connecting piece 6 is 30°, and the third connecting piece 7 is tilted upward. The length of the first connecting piece 5 is 7 mm, the length of the second connecting piece 6 is 12 mm, and the length of the third connecting piece 7 is 5 mm.

In this embodiment, preferably, the widths of the second connecting piece 6 and the third connecting piece 7 are equal; the widths of the second connecting piece 6 and the third connecting piece 7 are greater than the width of the first connecting piece 5 . The width of the second connecting piece 6 and the third connecting piece 7 is 5 mm, and the width of the first connecting piece 5 is 2 mm.

In this embodiment, preferably, the cross section of the base 8 adopts a trapezoidal structure, and the bottom length of the trapezoidal structure is 7 mm and the width is 2 mm. The use of a trapezoidal structure base increases the contact area between the commutator segment and the bakelite powder, thereby increasing the connection firmness.

In this embodiment, preferably, the third connecting piece 7 is provided with a through hole 9, and the diameter of the through hole 9 is 2.5 mm.

The utility model is a wire hooking frame for a brushless motor with a fast connection type, which is used for the wiring connection between the stator and the switch of the brushless motor. The structure is stable and the strength is high. And the base adopts a trapezoidal structure, which is more stable in structure and high in safety.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Those skilled in the art, without departing from the scope of the technical solution of the present invention, can make some changes or modifications to equivalent examples of equivalent changes by using the technical content disclosed above, provided that the technical solutions of the present invention are not departed from content, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solutions of the present invention.

Claims (10)

1. A wire hook frame for a connection and fastening type brushless motor, characterized in that it comprises an insulating base body (1) and a plurality of commutator segments, and a plurality of the commutator segments are fixed side by side on the insulating base body (1) Above, the plurality of commutator segments are distributed at a certain angle with each other; the commutator segments include a first connecting piece (5), a second connecting piece (6), and a third connecting piece that are connected to each other and integrally formed. (7) and the base (8), one end of the second connecting piece (6) is connected with one end of the first connecting piece (5), and the other end of the second connecting piece (6) is connected with the first connecting piece (5). One end of the three connecting pieces (7) is connected, the bottom of the second connecting piece (6) is connected with a base (8), the base (8) is embedded and fixed in the insulating base (1), the first The connecting piece (5) and the third connecting piece (7) respectively form a certain angle with the second connecting piece (6), and the third connecting piece (7) adopts an arc structure. 2 . The wire hook frame for a connection and fastening type brushless motor according to claim 1 , wherein the insulating base ( 1 ) is made of bakelite powder material. 3 . 3 . The wire hook frame for a connection and fastening type brushless motor according to claim 1 , wherein the commutator segment is made of silver-copper alloy material. 4 . 4. A wire hook frame for a connection and fastening type brushless motor according to claim 1 or 3, wherein the commutator segment comprises a first commutator segment (2), a second commutator segment (2) and a second commutator segment arranged in parallel. A commutator segment (3) and a third commutator segment (4), the second commutator segment (3) is perpendicular to the length direction of the insulating base (1), the first commutator segment (2), the The three commutator segments (4) respectively form an included angle of 10° with the second commutator segment (3). 5 . The wire hook frame for a connection and fastening type brushless motor according to claim 4 , wherein: the first commutator segment ( 2 ), the second commutator segment ( 3 ) and the third commutator segment The first connecting pieces (5) between the directional pieces (4) are parallel to each other, while the third connecting pieces (7) are not parallel to each other. 6 . The wire hook frame for a connection and fastening type brushless motor according to claim 1 , wherein a circle is used between the first connecting piece ( 5 ) and the second connecting piece ( 6 ). 7 . Arc transition connection. 7. A wire hook frame for a connection and fastening type brushless motor according to claim 1, characterized in that: a clip between the first connecting piece (5) and the second connecting piece (6) The angle is 30°, and the third connecting piece (7) is lifted upwards. 8 . The wire hook frame for a connection and fastening type brushless motor according to claim 1 , characterized in that: the widths of the second connecting piece ( 6 ) and the third connecting piece ( 7 ) are equal; The widths of the second connecting piece (6) and the third connecting piece (7) are greater than the width of the first connecting piece (5). 9 . The wire hook frame for a connection and fastening type brushless motor according to claim 1 , wherein the cross section of the base ( 8 ) adopts a trapezoidal structure, and the bottom length of the trapezoidal structure is 7 mm and the width is 2 mm. 10 . . 10 . The wire hook frame for a connection and fastening type brushless motor according to claim 1 , wherein a through hole ( 9 ) is provided on the third connection piece ( 7 ). 11 .

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