CN214959170U - Motor convenient for welding phase line and drive plate - Google Patents

Abstract

The utility model relates to a be convenient for phase line and drive plate welded motor in three-phase motor field, including stator group, rotor shaft core, protecgulum and hou gai, stator group's front end is equipped with the line frame that is used for supplementary winding coil, the one end of line frame is equipped with preceding wire casing, the wire casing extends to stator group's periphery, and extend along the direction of back lid, the rear end face fixed mounting of back lid has drive circuit board, the lateral surface of back lid is equipped with back wire casing, the front end of back wire casing docks with the rear end of preceding wire casing, the rear end of back wire casing extends to drive circuit board's edge, the phase line carries out neatly wiring along preceding wire casing and back wire casing respectively, last phase line carries out electric welding with drive circuit board. The manufacturing procedure of the product can be greatly reduced, so that the manufacturing cost is effectively reduced, the reliability and the stability of the motor can be greatly improved, the packaging, the transportation and the assembly are more convenient, the driving circuit board is arranged on the rear end face of the rear cover, the installation space of the product is effectively reduced, and the motor and the driving are integrated.

Description

Motor convenient for welding phase line and drive plate

Technical Field

The utility model relates to a three-phase machine field, concretely relates to be convenient for phase line and drive plate welded motor.

Background

With the development of the industry, the demand of each electric device for the motor is increasing. The motor outgoing line is an outgoing line connected with a motor wire head, and the outgoing line is finally connected to the main control board. The existing motor main control board and the motor main body belong to two independent parts, so that the space occupied by the whole motor can be increased. The three-phase power line of the motor needs to be led out by a lead wire independently, and for some motors with small power and compact structure, the three-phase lead wire of the power supply is inconvenient to operate, so that the manufacturing process of the motor is greatly increased, and the manufacturing cost of products is increased. In addition, a structure which can not protect the phase line of the motor exists in the practical application process, so that when the motor is used, the damage of a single phase line easily causes the damage of another phase line, the loss degree of the motor is further increased, and the reliability and the stability of the motor are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving above defect, provide the phase line of being convenient for and drive plate welded motor, it can save product manufacturing process, effectively reduces manufacturing cost.

The utility model aims at realizing through the following mode:

the motor convenient for welding the phase line and the driving plate comprises a stator group, a rotor shaft core, a front cover and a rear cover, wherein the front cover is arranged on the periphery of the front end of the stator group, the rear cover is arranged on the periphery of the rear end of the stator group, the stator group is electrically connected with the phase line, the rotor shaft core penetrates through the center of the stator group, and are respectively fixedly arranged in the centers of the front cover and the rear cover through bearings, a coil holder for assisting in winding coils is arranged at the front end of the stator group, a front wire protecting groove is arranged at one end of the coil holder and extends to the periphery of the stator group, and extend along the direction of back lid, the rear end face fixed mounting of back lid has drive circuit board, and the lateral surface of back lid is equipped with back wire casing, and the front end of back wire casing docks with the rear end of preceding wire casing, and the rear end of back wire casing extends to drive circuit board's edge, and the phase line is carried out neatly along preceding wire casing and back wire casing respectively and is wired, and final phase line and drive circuit board carry out electric welding.

In the above description, as a preferred scheme, the front wire protection slot and the rear wire protection slot are both provided with three wire slots, the three wire slots are arranged in order, and the three wire slots are respectively used for accommodating corresponding different phase lines.

In the above description, as a preferable scheme, the rear end face of the rear cover is provided with more than two positioning columns extending vertically backwards, the driving circuit board is provided with positioning holes corresponding to the positioning columns, and the driving circuit board is locked and fixed by screws.

In the above description, as a preferable mode, a heat sink is further provided between the rear cover and the driving circuit board, and the heat sink is clamped between the rear cover and the driving circuit board.

In the above description, as a preferable scheme, the edge of the heat sink is provided with arc-shaped bayonets corresponding to the positions of the positioning columns, and the arc-shaped bayonets are respectively clamped on the side surfaces of the positioning columns correspondingly, so that the heat sink is positioned.

In the above description, as a preferred scheme, an inner cavity is arranged inside the rear cover, the rear cover is provided with an air hole communicated with the inner cavity, and a fan impeller is arranged in the inner cavity, and the fan impeller fixedly penetrates through the rear end of the rotor shaft core and is driven by the rotor shaft core to rotate synchronously.

In the above description, as a preferable scheme, the edges of the front cover and the rear cover are respectively provided with more than two connecting holes, and are fixedly connected through bolts which are paired and penetrate through the connecting holes.

The utility model discloses produced beneficial effect is: be provided with preceding wire casing and back wire casing, and preceding wire casing docks with back wire casing, when manufacturing the motor, the phase line is direct to be drawn forth, then carry out neatly wiring along preceding wire casing and back wire casing respectively, carry out electric weld with drive circuit board at last, make motor and drive circuit board form an organic whole after the welding, compare with the manufacturing approach of the external drive plate of traditional brushless motor, the manufacturing process of the product that can significantly reduce, thereby effectively reduce manufacturing cost, in addition, the phase line is neatly arranged along preceding wire casing and back wire casing, last with drive circuit board welded fastening, can improve the reliability and the stability of motor greatly, can effectively protect the phase line, be more convenient for packing, transportation and assembly, drive circuit board sets up in the rear end face of back lid, effectively reduce the installation space of product, realize motor and drive integration.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment of the present invention;

in the figure, 1 is a front cover, 2 is a rear cover, 3 is a stator group, 4 is a rotor shaft core, 5 is a phase line, 6 is a front wire protecting groove, 7 is a rear wire protecting groove, 8 is a bolt, 9 is a fan impeller, 10 is a driving circuit board, 11 is a radiating fin, 12 is a wire frame, and 13 is a positioning column.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In this embodiment, referring to fig. 1 and 2, a specifically implemented motor facilitating welding of a phase line 5 and a drive plate includes a stator group 3, a rotor shaft core 4, a front cover 1 and a rear cover 2, where the front cover 1 is installed at the periphery of the front end of the stator group 3, the rear cover 2 is installed at the periphery of the rear end of the stator group 3, the stator group 3 is electrically connected with the phase line 5, and the rotor shaft core 4 penetrates through the center of the stator group 3 and is respectively and fixedly installed at the centers of the front cover 1 and the rear cover 2 through bearings. The edges of the front cover 1 and the rear cover 2 are respectively provided with four connecting holes, and the front cover and the rear cover are fixedly connected through bolts 8 which are paired and penetrate through the connecting holes. The inside of back lid 2 is equipped with the inner chamber, back lid 2 is equipped with the bleeder vent that switches on with the inner chamber, and be equipped with fan wheel 9 in the inner chamber, fan wheel 9 is fixed to penetrate the rear end of rotor axle core 4, drive by rotor axle core 4 and carry out synchronous rotation, the motor circular telegram during operation, rotor axle core 4 drives fan wheel 9 rotatory, form a large amount of airflows on the wind channel, can solve the inside and drive circuit board 10's of motor heat dissipation problem simultaneously, the whole work efficiency of motor is improved, reduce other motor heat dissipation costs.

The front end of the stator group 3 is provided with a coil holder 12 for assisting in winding coils, one end of the coil holder 12 is provided with a front wire protecting groove 6, and the wire protecting groove extends to the periphery of the stator group 3 and extends along the direction of the rear cover 2. Rear cover 2's rear end face fixed mounting has drive circuit board 10, and rear cover 2's lateral surface is equipped with back wire casing 7, and the front end of back wire casing 7 docks with the rear end of preceding wire casing 6, and the rear end of back wire casing 7 extends to drive circuit board 10's edge, and phase line 5 carries out neatly along preceding wire casing 6 and back wire casing 7 wiring respectively, and final phase line 5 carries out electric weld with drive circuit board 10. The front wire protecting groove 6 and the rear wire protecting groove 7 are respectively provided with three wire protecting grooves which are arranged in order and are respectively used for accommodating corresponding different phase wires 5.

A front wire protecting groove 6 and a rear wire protecting groove 7 are arranged, the front wire protecting groove 6 is butted with the rear wire protecting groove 7, when the motor is manufactured, a phase line 5 is directly led out, then orderly wiring is respectively carried out along the front wire protecting groove 6 and the rear wire protecting groove 7, and finally the electric welding is carried out with the driving circuit board 10, so that the motor and the driving circuit board 10 are integrated after the welding, compared with the traditional manufacturing mode of externally connecting the brushless motor with the driving plate, the manufacturing process of the product can be greatly reduced, thereby effectively reducing the manufacturing cost, in addition, the phase line 5 is orderly arranged along the front protective line slot 6 and the rear protective line slot 7 and is finally welded and fixed with the driving circuit board 10, the reliability and the stability of the motor can be greatly improved, the phase line 5 can be effectively protected, the packaging, the transportation and the assembly are more convenient, the driving circuit board 10 is arranged on the rear end face of the rear cover 2, the installation space of the product is effectively reduced, and the motor and the driving are integrated.

In addition, the rear end face of the rear cover 2 is provided with four positioning columns 13 extending vertically backwards, the driving circuit board 10 is provided with positioning holes corresponding to the positions of the positioning columns 13, and the driving circuit board 10 is locked and fixed through screws. A heat sink 11 is further arranged between the rear cover 2 and the driving circuit board 10, and the heat sink 11 is clamped between the rear cover 2 and the driving circuit board 10. The edge of the heat sink 11 is provided with an arc bayonet corresponding to the position of the positioning column 13, and the arc bayonets are respectively and correspondingly clamped on the side surfaces of the positioning column 13, so that the heat sink 11 is positioned.

The foregoing is a more detailed description of the invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as the utility model discloses a protection scope.

Claims (7)

1. Motor convenient to phase line and drive plate welded, including stator group, rotor shaft core, protecgulum and hou gai, the protecgulum is installed in stator group's front end periphery, and the back lid is installed in stator group's rear end periphery, and stator group electric connection has the phase line, and the rotor shaft core passes stator group's center to through the center of bearing difference fixed mounting at protecgulum and back lid, its characterized in that: the front end of the stator group is provided with a wire frame for assisting in winding coils, one end of the wire frame is provided with a front wire protecting groove, the wire protecting groove extends to the periphery of the stator group and extends along the direction of the rear cover, a driving circuit board is fixedly mounted on the rear end face of the rear cover, a rear wire protecting groove is formed in the outer side face of the rear cover, the front end of the rear wire protecting groove is in butt joint with the rear end of the front wire protecting groove, the rear end of the rear wire protecting groove extends to the edge of the driving circuit board, phase wires are orderly arranged along the front wire protecting groove and the rear wire protecting groove respectively, and finally the phase wires are electrically welded with the driving circuit board.

2. The electric motor for facilitating welding of a phase wire to a drive plate of claim 1 wherein: the front wire protecting groove and the rear wire protecting groove are respectively provided with three wire grooves which are arranged in order and are respectively used for accommodating corresponding different phase lines.

3. The electric motor for facilitating welding of a phase wire to a drive plate of claim 1 wherein: the rear end face of the rear cover is provided with more than two positioning columns which extend backwards vertically, the driving circuit board is provided with positioning holes corresponding to the positioning columns in position, and the driving circuit board is locked and fixed through screws.

4. A motor for facilitating welding of a phase wire to a drive plate as recited in claim 3, wherein: and a radiating fin is arranged between the rear cover and the drive circuit board, and the radiating fin is clamped between the rear cover and the drive circuit board.

5. The electric motor for facilitating welding of a phase wire to a drive plate of claim 4 wherein: the edge of the radiating fin is provided with an arc-shaped bayonet corresponding to the position of the positioning column, and the arc-shaped bayonet is clamped on the side face of the positioning column correspondingly so that the radiating fin can be positioned.

6. An electric machine for facilitating welding of a phase wire to a drive plate according to any one of claims 1-5 wherein: the inside of back lid is equipped with the inner chamber, and the back lid is equipped with the bleeder vent that switches on with the inner chamber to be equipped with the fan impeller in the inner chamber, the fixed rear end that penetrates rotor shaft core of fan impeller is driven by rotor shaft core and is carried out synchronous rotation.

7. An electric machine for facilitating welding of a phase wire to a drive plate according to any one of claims 1-5 wherein: the edge of protecgulum and back lid all is equipped with two above connecting holes to carry out fixed connection through the bolt of pairing penetrating the connecting hole.

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