CN210404949U - Wire harness fixing part for brushless motor - Google Patents

Abstract

The utility model relates to the technical field of brushless motors, in particular to a wire harness fixing part for a brushless motor, which comprises a fixing plate, wherein the fixing plate is arranged between a shell and a bottom cover of the brushless motor, a stator is arranged in the shell, a plurality of clamping grooves are circumferentially arranged on an inner ring of the stator, and one end of the stator facing the bottom cover is connected with a wire harness; one side of the fixed plate, which faces the stator, is provided with a protective baffle plate with an annular structure, and the bottom of the protective baffle plate is circumferentially provided with clamping strips in an array manner; a placing plate of an annular structure for winding and unwinding the wiring harness is arranged on the outer side of the protective baffle, a plurality of first wire passing grooves are formed in the circumferential direction of the placing plate in an array mode, and a second wire passing groove is formed in one side of the fixed plate; a rotating shaft through hole is formed in the center of the fixing plate; one side of the fixing plate facing the bottom cover is provided with a plurality of jacking blocks along the circumferential direction. The utility model discloses an aspect is favorable to arranging of motor internal conductor, and on the other hand makes things convenient for the fixed of pencil to can protect the pencil, prolong brushless DC motor's life.

Description

Wire harness fixing part for brushless motor

Technical Field

The utility model relates to a brushless motor technical field especially relates to a pencil mounting for brushless motor.

Background

The brushless motor is a typical electromechanical integration product, it is made up of parts such as the chassis, stator and rotor, the winding of the brushless direct current motor is set up on the stator, rely on changing the electric current input to the coil and form a magnetic field around the geometric axis of the motor and rotate around winding coil, this magnetic field drives the permanent magnet steel on the rotor to rotate, and the coil winding of the brushless direct current motor is connected to control circuit board of the motor through the multiple conductors in the production run, these conductors generally adopt the fine rule to bind and twine into the bunch and coil on the coil winding and lead to the brushless motor outside, this kind adopts the fixed way of the fine rule to bunch, it is inconvenient to fix, its fastness is limited, especially work for a long time in the brushless motor, the internal temperature rises, after using for a long time, the fine rule is apt to age and break or loosen, thus cause the motor bunch to scatter in the motor inside very easily, and the motor is wound on or abraded by the rotor, so that the motor cannot work normally. Therefore, we propose a wire harness fixing member for a brushless motor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the pencil mounting for brushless motor that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the wire harness fixing piece for the brushless motor comprises a fixing plate, wherein the fixing plate is arranged between a shell and a bottom cover of the brushless motor, the bottom cover is packaged at the bottom end of the shell, a stator is arranged in the shell, a plurality of clamping grooves are formed in the circumferential direction of an inner ring of the stator, and one end, facing the bottom cover, of a winding of the stator is connected with a wire harness;

a protective baffle plate with an annular structure is arranged on one side, facing the stator, of the fixed plate, a plurality of clamping strips are arranged on the bottom of the protective baffle plate in a circumferential array mode, and the clamping strips can be inserted into the clamping grooves;

a placing plate of an annular structure for winding and unwinding the wiring harness is arranged on the outer side of the protective baffle, the bottom of the placing plate is bent towards one side of the protective baffle to form a hook shape, a plurality of first wire passing grooves for passing a single wire in the wiring harness are arranged in an array mode in the circumferential direction of the placing plate, and a second wire passing groove for passing the wiring harness is arranged on one side of the fixing plate;

a rotating shaft through hole for a rotor rotating shaft of the brushless motor to pass through is formed in the center of the fixing plate;

and one side of the fixing plate facing the bottom cover is provided with a plurality of jacking blocks along the circumferential direction.

Furthermore, the fixed plate is of a circular structure, the outer circle of the fixed plate is matched with the inner circle of the shell, and the fixed plate can be clamped in the shell.

Further, the placing plate is an elastic rubber plate.

Furthermore, the number of the clamping grooves is the same as that of the clamping strips, and the outer diameters of the clamping strips are matched with the inner diameters of the clamping grooves.

Furthermore, one side corresponding to the jacking blocks is provided with a limiting groove for installing the brushless motor control circuit board, and the bottom of the limiting groove is provided with an internal thread installing hole.

Furthermore, a wire passing hole is formed in the position, corresponding to the second wire passing groove, of the bottom cover in a penetrating mode.

The utility model provides a wire harness fixing part for brushless motor, beneficial effect lies in: the utility model discloses can effectively protect the wire of brushless motor internal connection coil winding and retrain into the pencil to it, avoid the wire to contact the inside rotor of brushless motor, the arrangement of the inside wire of favourable motor on the one hand, on the other hand makes things convenient for the fixed of pencil to can protect the pencil, prolong brushless DC motor's life.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic view of the internal structure of the brushless motor assembly of the present invention;

fig. 2 is a schematic perspective exploded view of the brushless motor assembly of the present invention;

fig. 3 is a schematic sectional structure diagram of the present invention.

Labeled as: the motor comprises a machine shell 1, a stator 11, a clamping groove 12, a wiring harness 13, a bottom cover 2, a wire passing hole 21, a fixing plate 3, a rotating shaft through hole 31, a protective baffle 32, a clamping strip 33, a placing plate 34, a first wire passing groove 35, a second wire passing groove 36, a jacking block 37, a limiting groove 38 and a mounting hole 39.

Detailed Description

The present invention will be further described with reference to the following specific examples. These examples are provided only for illustrating the present invention and are not intended to limit the scope of the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The structural features of the present invention will now be described in detail with reference to the accompanying drawings.

Referring to fig. 1-3, a wire harness fixing member for a brushless motor comprises a fixing plate 3, wherein the fixing plate 3 is arranged between a casing 1 and a bottom cover 2 of the brushless motor, the bottom cover 2 is packaged at the bottom end of the casing 1, a stator 11 is arranged in the casing 1, a plurality of clamping grooves 12 are circumferentially arranged on an inner ring of the stator 11, and one end, facing the bottom cover 2, of a winding of the stator 11 is connected with a wire harness 13;

a protective baffle 32 with an annular structure is arranged on one side of the fixed plate 3 facing the stator 11, a plurality of clamping strips 33 are arranged on the bottom of the protective baffle 32 in an array manner in the circumferential direction, and the clamping strips 33 can be inserted into the clamping grooves 12;

a placing plate 34 of an annular structure for receiving and releasing the wiring harness 13 is arranged on the outer side of the protective baffle 32, the bottom of the placing plate 34 is bent towards one side of the protective baffle 32 to form a hook shape, a plurality of first wire passing grooves 35 for passing a single wire in the wiring harness 13 are arranged in an array manner in the circumferential direction of the placing plate 34, and a second wire passing groove 36 for passing the wiring harness 13 is arranged on one side of the fixing plate 3;

a rotating shaft through hole 31 for the rotating shaft of the brushless motor rotor to pass through is arranged in the center of the fixing plate 3;

a plurality of tightening blocks 37 are arranged on one side of the fixing plate 3 facing the bottom cover 2 along the circumferential direction.

The utility model discloses a pencil mounting for brushless motor, moreover, the steam generator is simple in structure, easily with the wire overall arrangement that the brushless motor winding is connected in inner wall one side of casing 1, make it keep away from the rotor, in addition, a plurality of wires are in the beam forming of placing board 34, reduce the degree of difficulty that the beam forming was tied up to the wire, and simultaneously, pencil 13 can avoid contacting with brushless motor's rotor under guard flap 32's isolation, avoid wire 13 to contact the inside rotor of brushless motor, the arrangement of the inside wire of favourable motor on the one hand, on the other hand makes things convenient for the fixed of pencil, and can protect the pencil, the life of brushless DC motor is prolonged.

Specifically, during the use, put fixed plate 3 card in the one end that casing 1 corresponds bottom 2 to make the coil winding connecting wire on the stator 11 arrange into through first line groove 35 and place the ditch inslot of board 34 and coil into pencil 13, pencil 13 rethread second line groove 36 after the pencil is drawn forth from bottom 2, when bottom 2 was fixed on casing 1, can be through the tight piece 37 of top on fixed plate 3 with fixed plate 3 spacing fixed in casing 1.

Referring to fig. 1, further, the fixing plate 3 is a circular structure, and the outer circle of the fixing plate is matched with the inner circle of the casing 1, and the fixing plate 3 can be clamped in the casing 1, so that the fixing plate 3 can be firmly clamped in the casing 1.

Further, the placement plate 34 is an elastic rubber plate.

The placing plate 34 is an elastic rubber plate, so that the wiring harness 13 can be conveniently folded and unfolded in the using process.

Referring to fig. 1 and 2, further, the number of the card slots 12 and the number of the card strips 33 are the same, and the outer diameter of the card strips 33 matches the inner diameter of the card slots 12.

The clamping groove 12 and the clamping strip 33 are arranged, so that the fixing plate 3 can be fixedly arranged between the machine shell 1 and the bottom cover 2, and the mounting stability of the fixing plate 3 is improved.

Referring to fig. 3, further, one side of each of the plurality of tightening blocks 37 corresponding to each of the tightening blocks is provided with a limiting groove 38 for mounting the brushless motor control circuit board, and the bottom of each of the limiting grooves 38 is provided with a mounting hole 39 with an internal thread.

Set up the tight piece 37 in top and be used for tightly pushing up fixed plate 3 in casing 1, spacing groove 38 is used for placing brushless motor control circuit board, makes things convenient for brushless motor control circuit board's installation and fixed like this.

Referring to fig. 1 and 2, further, a wire passing hole 21 is formed through the bottom cover 2 at a position corresponding to the second wire passing groove 36, and the wire passing hole 21 is configured to lead out the wire harness 13.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A wire harness fixing piece for a brushless motor comprises a fixing plate (3) and is characterized in that the fixing plate (3) is arranged between a machine shell (1) and a bottom cover (2) of the brushless motor, the bottom cover (2) is packaged at the bottom end of the machine shell (1), a stator (11) is arranged in the machine shell (1), a plurality of clamping grooves (12) are formed in the circumferential direction of an inner ring of the stator (11), and one end, facing the bottom cover (2), of a winding of the stator (11) is connected with a wire harness (13);

one side, facing the stator (11), of the fixing plate (3) is provided with a protective baffle (32) of an annular structure, a plurality of clamping strips (33) are arranged on the bottom of the protective baffle (32) in an array mode in the circumferential direction, and the clamping strips (33) can be inserted into the clamping grooves (12);

a placing plate (34) of an annular structure for winding and unwinding the wiring harness (13) is arranged on the outer side of the protective baffle (32), the bottom of the placing plate (34) is bent towards one side of the protective baffle (32) to form a hook shape, a plurality of first wire passing grooves (35) for passing a single wire in the wiring harness (13) are formed in the circumferential direction of the placing plate (34) in an array mode, and a second wire passing groove (36) for passing the wiring harness (13) is formed in one side of the fixing plate (3);

a rotating shaft through hole (31) for the rotating shaft of the brushless motor rotor to pass through is formed in the center of the fixing plate (3);

and one side of the fixing plate (3) facing the bottom cover (2) is provided with a plurality of jacking blocks (37) along the circumferential direction.

2. The wire harness fixing member for the brushless motor according to claim 1, wherein the fixing plate (3) has a circular structure, and an outer circle thereof matches with an inner circle of the housing (1), and the fixing plate (3) is capable of being clamped in the housing (1).

3. The wire harness fixing member for a brushless motor according to claim 1, wherein the placing plate (34) is an elastic rubber plate.

4. The wire harness fixing member for a brushless motor according to claim 1, wherein the number of the card slots (12) and the number of the card bars (33) are the same, and the outer diameters of the card bars (33) are matched with the inner diameters of the card slots (12).

5. The wire harness fixing member for the brushless motor according to claim 1, wherein a plurality of the tightening blocks (37) are provided with a limiting groove (38) on a corresponding side for mounting a brushless motor control circuit board, and a mounting hole (39) with an internal thread is provided on a bottom of the limiting groove (38).

6. The wire harness holder for a brushless motor according to claim 1, wherein the bottom cover (2) is provided with a wire passing hole (21) at a position corresponding to the second wire passing groove (36).

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