CN217849049U

CN217849049U - Motor stator of sewing machine

Info

Publication number: CN217849049U
Application number: CN202221302549.2U
Authority: CN
Inventors: 林高盘
Original assignee: Taizhou Quanzheng Machinery Co ltd
Current assignee: Taizhou Quanzheng Technology Co.,Ltd.
Priority date: 2022-05-28
Filing date: 2022-05-28
Publication date: 2022-11-18
Anticipated expiration: 2032-05-28

Abstract

The utility model discloses a sewing machine motor stator relates to motor stator technical field, including stator body and cooling module, stator body outside cover is equipped with heat conduction insulation cover, and heat conduction insulation cover internal diameter and stator body external diameter closely attached, the inflow layer has been seted up to the inside nexine of heat conduction insulation cover, the backward flow layer has been seted up on heat conduction insulation cover internal top layer, inflow layer middle part intercommunication has the bridge, and the inflow layer is linked together through bridge and backward flow layer for the stator auxiliary cooling module installs in the global outside of heat conduction insulation cover circle, cooling module includes pipeline, inlet tube and cooling nozzle, the inlet tube has been seted up to pipeline top middle-end, and pipeline right side terminal surface integral type fixed mounting has the cooling nozzle. This sewing machine motor stator through the setting of heat conduction insulating boot and cooling module, can effectively make motor stator heat dissipation fast to improve the motor performance, finally improve motor efficiency and life-span.

Description

Motor stator of sewing machine

Technical Field

The utility model relates to a motor stator technical field specifically is sewing machine motor stator.

Background

The stator is the stationary part of the motor, the main function of the stator is to generate a rotating magnetic field, the motor stator is formed by continuously overlapping and pressing a plurality of silicon steel sheets, and the stator is also an important component of the sewing machine motor.

The conventional stator of a sewing machine motor has the following common problems: can produce the heat loss in the motor working process, if not discharge the heat loss through the thermal management technique, can cause motor stator subassembly and rotor subassembly high temperature to rotor magnet steel demagnetization, stator coil burn out, influence the normal operating of motor, however current motor stator radiating mode is fixed, and the radiating effect is relatively poor, can not in time absorb the heat that produces with the rotor operation in time and get rid of.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewing machine motor stator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: including stator body and cooling module, the outside cover of stator body is equipped with the heat conduction insulation cover, and the heat conduction insulation cover internal diameter closely attaches with the stator body external diameter, the inflow layer has been seted up to the inside nexine of heat conduction insulation cover, the backward flow layer has been seted up on the inside top layer of heat conduction insulation cover, inflow layer middle part intercommunication has the bridge, and the inflow layer is linked together through bridge and backward flow layer for the stator auxiliary cooling module installs in the peripheral outside of heat conduction insulation cover, cooling module includes pipeline, inlet tube and cooling nozzle, the inlet tube has been seted up to pipeline top middle-end, and pipeline right side terminal surface integral type fixed mounting has the cooling nozzle, the cooling nozzle cross-section is hollow circular cylinder.

Further, the cooling module still includes spoiler and spout, the inside attached spoiler of installing of cooling nozzle periphery, and the spoiler highly be the half of cooling nozzle opening diameter, the spoiler is perpendicular and be the L shape with the income liquid union coupling, and the spout has been seted up to spoiler top middle-end.

Further, cooling module still includes back liquid hole and liquid return pipe, cooling nozzle open end bottom intercommunication has back the liquid hole, and returns liquid hole left side intercommunication and have back the liquid pipe.

Furthermore, a silicon steel sheet is continuously stacked and pressed in the stator body, and a plurality of mounting holes are formed in the front surface of the silicon steel sheet.

Furthermore, the middle part of the silicon steel sheet is provided with a mounting groove, and the circumferential surface of the mounting groove is annularly provided with wire grooves in an array manner.

Furthermore, gaskets are symmetrically and fixedly installed on two sides of the opening end of the bottom of the wire slot, and anti-falling hooks are fixedly installed at the tail ends of two sides of each gasket.

Furthermore, a heat dissipation copper sheet is attached to the inner portion of the circumferential surface of the stator body, and a fiber drying strip is filled in a gap of the heat dissipation copper sheet structure.

Compared with the prior art, the beneficial effects of the utility model are that: the sewing machine motor stator is provided, and the heat conducting insulating sleeve and the cooling assembly are arranged, so that the motor stator can be rapidly and effectively cooled, the performance of a motor is improved, and the efficiency and the service life of the motor are finally improved.

1. The utility model discloses a cooling module's setting, the heat that produces when realizing fast that the rotor moves is by the conduction of stator body and the heat conduction insulating cover circumference laminating department, passes through the circulation of coolant liquid and discharges the heat outside the stator body fast, the circulation of coolant liquid uses the design, makes cooling module can continue the operation, discharges the heat that the stator body conducts constantly, maintains the controllable operational environment in the motor casing, promotes motor efficiency and life-span indirectly;

2. the utility model discloses a setting of wire casing, traditional motor stator's wire casing are full open-ended rectangular channel, and coil winding fixed effect is relatively poor, and the wire casing in this case adopts half open-ended rectangular channel structural design, cooperates with wire casing bottom opening part both sides gasket, effectively promotes rotor coil winding fixed effect for the rotor installation in the mounting groove is more simple and convenient firm;

3. the utility model discloses a setting of heat dissipation copper sheet, the coefficient of heat conductivity that utilizes copper is high, and the characteristic that heat-transfer ability is strong will be folded by the blade of silicon steel and press the heat that the stator body that constitutes to conduct to the inflow in situ by the heat dissipation copper sheet, for stator body surface condensation dewdrop when preventing cooling module operation, through the setting of the dry strip of fibre of packing in the heat dissipation copper sheet structure clearance, in time absorb steam, guarantee motor casing internal drying's operational environment.

Drawings

FIG. 1 is a schematic view of the overall front view structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the cooling assembly of the present invention.

In the figure: 1. a stator body; 2. a silicon steel sheet; 3. mounting holes; 4. mounting grooves; 5. a wire slot; 6. a gasket; 7. preventing hooking; 8. a heat dissipation copper sheet; 9. drying the fiber strips; 10. a heat-conducting insulating sleeve; 11. an inflow layer; 12. a reflow layer; 13. bridging; 14. a cooling assembly; 1401. a pipeline; 1402. a liquid inlet pipe; 1403. a cooling nozzle; 1404. a spoiler; 1405. a spout; 1406. a liquid return hole; 1407. a liquid return pipe.

Detailed Description

As shown in fig. 1, a silicon steel sheet 2 is continuously stacked and pressed in a stator body 1, a plurality of mounting holes 3 are formed in the front of the silicon steel sheet 2, a mounting groove 4 is formed in the middle of the silicon steel sheet 2, a wire slot 5 is formed in the circumferential surface of the mounting groove 4 in an annular array, gaskets 6 are symmetrically and fixedly mounted on two sides of the bottom opening end of each wire slot 5, anti-falling hooks 7 are fixedly mounted at the tail ends of two sides of each gasket 6, a radiating copper sheet 8 is attached to the inner portion of the circumferential surface of the stator body 1, a fiber drying strip 9 is filled in a structural gap of the radiating copper sheet 8, heat generated by the stator body 1 formed by stacking the silicon steel sheets 2 is conducted into an inflow layer 11 through the radiating copper sheet 8 by utilizing the characteristics of high heat conductivity and strong heat conductivity of copper, dew condensation on the surface of the stator body 1 when a cooling assembly 14 is operated is prevented, and water vapor is absorbed in time through the arrangement of the fiber drying strip 9 filled in the structural gap of the radiating copper sheet 8, so as to guarantee a dry operating environment in a motor shell;

as shown in fig. 2-3, a heat-conducting insulating sleeve 10 is sleeved outside a stator body 1, the inner diameter of the heat-conducting insulating sleeve 10 is closely attached to the outer diameter of the stator body 1, an inflow layer 11 is disposed inside the heat-conducting insulating sleeve 10, a backflow layer 12 is disposed on the surface layer inside the heat-conducting insulating sleeve 10, a bridge 13 is communicated with the middle portion of the inflow layer 11, the inflow layer 11 is communicated with the backflow layer 12 through the bridge 13, a cooling component 14 for auxiliary cooling of the stator is installed outside the circumferential surface of the heat-conducting insulating sleeve 10, the cooling component 14 includes a pipe 1401, an inflow pipe 1402 and a cooling nozzle 1403, the middle end of the top of the pipe 1401 is disposed with the inflow pipe 1402, a cooling nozzle 1403 is fixedly installed on the right end face of the pipe 1401 in an integrated manner, the cross section of the cooling nozzle 1403 is hollow cylindrical, the cooling component 14 further includes a spoiler 1404 and a nozzle, a spoiler 1404 is attached to the circumferential surface inside the cooling nozzle 1403, and the spoiler 1404 is disposed, and the height of the spoiler is half of the diameter of the opening 1403, the connection between the spoiler 1404 and the liquid inlet pipe 1402 is vertical and L-shaped, the middle end of the top of the spoiler 1404 is provided with a nozzle 1405, the cooling module 14 further comprises a liquid return hole 1406 and a liquid return pipe 1407, the bottom of the open end of the cooling nozzle 1403 is communicated with the liquid return hole 1406, the left side of the liquid return hole 1406 is communicated with the liquid return pipe 1407, cooling liquid is injected from the liquid inlet pipe 1402 on the top of the pipeline 1401, enters the liquid inlet layer 11 through the nozzle 1405 arranged on the top of the L-shaped cooling nozzle 1403, heat generated during the operation of the rotor is conducted by the circumferential surface of the stator body 1 and the heat-conducting insulating sleeve 10 at the time, the cooling liquid carries the heat from the bridge 13 to the liquid return layer 12, enters the liquid return hole 1406 under the interception of the spoiler 1404, and is finally discharged from the liquid return pipe 1407 for secondary circulation, so that the cooling module 14 can continuously operate and continuously discharge the heat conducted by the stator body 1, the controllable operation environment in the motor shell is maintained, and the motor efficiency and the service life are indirectly improved.

The working principle is as follows: when the sewing machine motor stator is used, by utilizing the characteristics of high heat conductivity coefficient and strong heat conduction capacity of copper, heat generated by a stator body 1 formed by laminating silicon steel sheets 2 is conducted into an inflow layer 11 through a heat dissipation copper sheet 8, in order to prevent dew condensation on the surface of the stator body 1 when a cooling assembly 14 operates, water vapor is absorbed in time through arrangement of fiber drying strips 9 filled in structural gaps of the heat dissipation copper sheet 8, a dry operating environment in a motor shell 1401 is ensured, cooling liquid is injected from a liquid inlet pipe 1402 at the top of a pipeline 1401 and enters the inflow layer 11 through a nozzle 1405 formed at the top of an L-shaped cooling nozzle 1403, heat generated when a rotor operates is conducted at the joint of the stator body 1 and the circumferential surface of a heat conduction insulating sleeve 10, the cooling liquid with heat is conducted into a backflow layer 12 from a bridge 13, the cooling liquid is intercepted downwards from a flow baffle plate 1404 and finally discharged from a liquid return pipe 1407 to carry out secondary circulation, so that the cooling assembly 14 can operate continuously, the heat conducted by the stator body 1 is continuously discharged, a controllable operating environment in the motor shell is maintained, and the service life of the motor is prolonged.

Claims

1. The utility model provides a sewing machine motor stator, its characterized in that, includes stator body (1) and cooling module (14), stator body (1) outside cover is equipped with heat conduction insulating cover (10), and heat conduction insulating cover (10) internal diameter closely attached with stator body (1) external diameter, inflow layer (11) have been seted up to heat conduction insulating cover (10) inside nexine, backflow layer (12) have been seted up on heat conduction insulating cover (10) inside top layer, inflow layer (11) middle part intercommunication has bridging (13), and inflow layer (11) are linked together through bridging (13) and backflow layer (12), are used for the supplementary cooling of stator cooling module (14) install in heat conduction insulating cover (10) periphery outside, cooling module (14) include pipeline (1401), inlet tube (1402) and cooling nozzle (1401), inlet tube (1402) have been seted up to pipeline (1401) top middle-end, and pipeline (1401) right side terminal surface integral type fixed mounting has cooling nozzle (1403), cooling nozzle (1403) cross-section is hollow cylindrical.

2. The sewing machine motor stator according to claim 1, characterized in that the cooling module (14) further comprises a spoiler (1404) and a nozzle (1405), the spoiler (1404) is attached to the inner portion of the circumferential surface of the cooling nozzle (1403), the height of the spoiler (1404) is half of the opening diameter of the cooling nozzle (1403), the connecting portion of the spoiler (1404) and the liquid inlet pipe (1402) is vertical and L-shaped, and the nozzle (1405) is opened at the middle end of the top of the spoiler (1404).

3. The sewing machine motor stator according to claim 1, wherein the cooling assembly (14) further comprises a liquid return hole (1406) and a liquid return pipe (1407), the bottom of the opening end of the cooling nozzle (1403) is communicated with the liquid return hole (1406), and the left side of the liquid return hole (1406) is communicated with the liquid return pipe (1407).

4. The stator of sewing machine motor according to claim 1, wherein the silicon steel sheet (2) is continuously stacked and pressed inside the stator body (1), and a plurality of mounting holes (3) are formed on the front surface of the silicon steel sheet (2).

5. Sewing machine motor stator according to claim 4, characterized in that the silicon steel sheet (2) is provided with a mounting groove (4) in the middle, and the circumferential surface of the mounting groove (4) is provided with slots (5) in an annular array.

6. The sewing machine motor stator according to claim 5, characterized in that the two sides of the bottom opening end of the slot (5) are symmetrically and fixedly provided with gaskets (6), and the tail ends of the two sides of each gasket (6) are fixedly provided with anti-dropping hooks (7).

7. The sewing machine motor stator according to claim 1, characterized in that the radiating copper sheets (8) are attached to the inner part of the circumferential surface of the stator body (1), and the fiber drying strips (9) are filled in the structural gaps of the radiating copper sheets (8).