CN206783956U - A kind of spindle motor mounting structure of sewing machine - Google Patents
A kind of spindle motor mounting structure of sewing machine Download PDFInfo
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- CN206783956U CN206783956U CN201720469186.4U CN201720469186U CN206783956U CN 206783956 U CN206783956 U CN 206783956U CN 201720469186 U CN201720469186 U CN 201720469186U CN 206783956 U CN206783956 U CN 206783956U
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- spindle motor
- main shaft
- sewing machine
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- mounting structure
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Abstract
The utility model provides a kind of spindle motor mounting structure of sewing machine, belongs to sewing machine technique field.It solves the problems such as existing sewing machine radiating is bad.The spindle motor mounting structure of this sewing machine includes spindle motor, casing and main shaft, spindle motor includes rotor, stator and magnet steel fixed disk, there is rotary gap between rotor and stator, there is mounting groove on the right side of casing, the right-hand member of main shaft and the rotor of motor are fixed, stator is arranged on the right side of casing, it is arranged on main shaft and is fixed with fan, fan is located in mounting groove and in the left side of rotor, handwheel is further fixed on main shaft, magnet steel fixed disk is arranged and is fixed on main shaft, magnet steel fixed disk is between rotor and handwheel, offered on handwheel be in communication with the outside enter air holes, magnet steel fixed disk is provided with air vent, enter air holes, air vent, rotary gap and mounting groove are sequentially communicated.The spindle motor mounting structure of this sewing machine has the advantages that to make sewing machine good heat dissipation effect.
Description
Technical field
The utility model belongs to sewing machine technique field, is related to a kind of spindle motor mounting structure of sewing machine.
Background technology
Sewing machine is exactly the machine for being sutured sewing by suture.Sewing machine includes casing, and main shaft is provided with casing, main
The drive mechanism of handwheel and drive shaft rotation is fixed with axle.In traditional domestic sewing machine, drive mechanism includes using pin
The pedal and pulley drive component of driving.This conventional drive mechanism low production efficiency, is then improved to motor by pedal, electricity
Machine combination pulley assembly drive shaft, or motor are directly connected with main shaft and carry out drive shaft.Pass through motor drive shaft energy
Production efficiency is enough greatly improved, but heat can be produced during motor workpiece, the aggregation of heat can improve the temperature of motor, so as to
Influence the performance of motor.
Chinese patent literature data discloses the sewing machine radiator structure [application number for proposing a kind of adopting direct drive motor：
201120517091.8；Grant number：202359357U], it is provided with the power entering spindle end at the head position of sewing machine and led
Wind groove, wind guide tank lower section is provided with tunnel connection to food tray, and group is corresponded on its main shaft and sets a fan, and spindle end is corresponding with reference to one
Adopting direct drive motor, correspond to group in the end face at head position and connect a dividing plate, the baffle central has the through hole less than wind guide tank, and should
Dividing plate is set corresponding to an adapter group, and the periphery of adapter is provided with many air inlet slotted eyes, and the end face for using adapter is corresponding
Assemble and fix with adopting direct drive motor.
Fan is set on main shaft, wind guide tank is set in the spindle end of head and air inlet slotted eye is set on adapter, is made
The air of motor one end can form circulation, and heat caused by motor can be enable to be pulled away a part, but inside motor
Heat be not easy to diffuse out.For the diffusion problem of motor internal heat, those skilled in the art's conventional technology
It is the heat sink that protrusion is set on motor case, the heat inside motor is spread out as soon as possible, but it is this scattered
The structure of heat can increase the deadweight of motor, while its caused radiating effect is limited, especially for from motor case farther out
Interior zone.
The content of the invention
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, it is proposed that a kind of main shaft electricity of sewing machine
Machine mounting structure, the technical problem of solution are how to make sewing machine good heat dissipation effect.
The purpose of this utility model can be realized by following technical proposal：
A kind of spindle motor mounting structure of sewing machine, including spindle motor, casing and main shaft, the spindle motor include
Rotor, stator and magnet steel fixed disk, there is rotary gap between the rotor and stator, be provided with the right side of the casing
The mounting groove being in communication with the outside, the right-hand member of the main shaft are passed from the bottom surface of mounting groove and are fixedly connected with the rotor of motor, institute
Stator is stated on the right side of casing, is arranged on the main shaft and is fixed with fan, the fan is located in mounting groove simultaneously
The handwheel being further fixed on the left side of rotor, the main shaft on the right side of rotor, the magnet steel fixed disk are arranged and are fixed on
On main shaft, the magnet steel fixed disk is between rotor and handwheel, it is characterised in that offers and is in communication with the outside on the handwheel
Enter air holes, the magnet steel fixed disk is provided with air vent, it is described enter air holes, air vent, rotary gap and mounting groove connect successively
It is logical.
Spindle motor energization, rotor, which rotates, drives main axis, and main axis drives fan to rotate, due to entering air holes, leading to
Air holes, rotary gap and mounting groove are sequentially communicated, and fan, which rotates, can make extraneous cold air after air holes is entered by air vent
Enter in rotary gap, cold air carries out heat exchange in the inside of spindle motor and spindle motor, makes the fast prompt drop of spindle motor
Temperature, cold air are changed into hot-air after the heat exchange, and fan rotates quickly is driven to mounting groove by the hot-air at spindle motor again
Place, last hot-air outflow mounting groove return to the external world.
In the presence of fan, cold air quickly can be transported at spindle motor by the setting that handwheel enters air holes, magnetic
The setting of air vent on steel fixed disk can enable the cold air in the external world smoothly be rapidly introduced into rotary gap, make master
The air that heat inside spindle motor is flowed quickly takes spindle motor out of, so that the good heat dissipation effect of sewing machine.
In the spindle motor mounting structure of above-mentioned sewing machine, the air vent is relative with rotary gap, the ventilation
Hole is provided with multiple and is uniformly distributed along the circumference of main shaft.
Under the draft effect of fan, extraneous cold air is entered at magnet steel fixed disk from air holes is entered, air vent and rotation
Turn gap to be oppositely arranged, i.e., air vent is that straight line connects with rotary gap, and cold air can be rapidly introduced into rotary gap
It is interior, while the air under the draft effect of fan in rotary gap quickly flows out at rotary gap, so that sewing machine
Good heat dissipation effect.Air vent, which is uniformly distributed, can be such that cold air relatively evenly enters in rotary gap, so that spindle motor
Inside is equably radiated, and makes the good heat dissipation effect of sewing machine.
In the spindle motor mounting structure of above-mentioned sewing machine, the magnet steel fixed disk is towards having on the end face of rotor
The fan plate of protrusion, the fan plate are multiple, and at least have a fan plate between two neighboring air vent.
Fan plate can separate two adjacent air vents between two adjacent air vents, so as to reduce cold air
By producing convection current on end face of the magnet steel fixed disk towards rotor after air vent, cold air is set to be rapidly introduced into rotation
In gap, make the good heat dissipation effect of sewing machine.
In the spindle motor mounting structure of above-mentioned sewing machine, the fan plate is in straight panel shape, and the plate of fanning is along magnet steel
The lateral surface for extending radially outwardly into magnet steel fixed disk of fixed disk, the air vent are arcuate socket.
The lateral surface that extends radially outwardly into magnet steel fixed disk of the plate along magnet steel fixed disk is fanned, that is, fans outer face and the magnetic of plate
The lateral surface of steel fixed disk is concordant, can so make the segregation of raised line good, largely reduce cold air in magnet steel
Fixed disk is towards the convection current on the end face of rotor.When air vent is arcuate socket, cold air can be formed in narrow and small arcuate socket
Quickly flowing, so that cold air can be rapidly introduced into rotary gap, makes the good heat dissipation effect of sewing machine.
In the spindle motor mounting structure of above-mentioned sewing machine, more of protrusion are provided with the right side of the casing
Column, the column are located on the notch outer of mounting groove, and the stator is fixed on the right side of column, two neighboring column
Between there is ventilation gap, the ventilation gap is connected with mounting groove, and the ventilation gap also connects with the lateral surface of stator,
The lateral surface of the stator also connects with entering air holes.
When fan rotates, from entering some region for entering on the outside of stator of the cold air of air holes entrance, and in main shaft
The outside of motor carries out heat exchange with spindle motor, then is entered from ventilation gap in mounting groove, is finally flowed out from ventilating opening.It is vertical
The setting of post and ventilation gap enables the air on the outside of spindle motor to be smoothly rapidly introduced into mounting groove, so as to by main shaft
The heat of motor rapidly takes sewing machine out of, makes the good heat dissipation effect of sewing machine.
In the spindle motor mounting structure of above-mentioned sewing machine, the handwheel includes cylindrical wheel rim, in cylinder
The wheel rim of shape and helically foliated spoke, the outer end of the spoke and the medial surface integrally connected of wheel rim, the spoke
The inner lateral surface integrally connected with wheel rim, the spoke have multiple and evenly distributed along the lateral surface of wheel rim, two neighboring institute
State and formed into air holes between spoke.
When handwheel is with main axis, handwheel has air-supply effect, and handwheel air-supply and fan exhausting collective effect are in main shaft electricity
At machine, the inside of spindle motor and the air in outside is formed compulsory flowing, make the good heat dissipation effect at spindle motor.And spoke
Bar is evenly distributed to be uniformly delivered to the cold air in the external world at spindle motor, so that it is uniformly fast to be radiated at spindle motor
Speed, make the good heat dissipation effect of sewing machine.
In the spindle motor mounting structure of above-mentioned sewing machine, the fan runs through towards offering on the end face of rotor
The through hole of fan, the through hole are multiple and are uniformly distributed along the circumference of main shaft.
The setting of through hole can enable the air rapid convective at fan both ends, so that the air in mounting groove can be fast
Fast ground is driven to outside sewing machine by fan, makes the good heat dissipation effect of sewing machine.If without through hole, fan direction installation groove bottom
End face and installation groove bottom between air be not easy to be conveyed out, be unfavorable for the radiating of sewing machine.
In the spindle motor mounting structure of above-mentioned sewing machine, offered on the bottom surface of the mounting groove through casing shell
The mounting hole of wall, the main shaft are located in mounting hole, and the end cap for closing mounting hole, the end are also arranged with the main shaft
Lid is fixed on the bottom surface of mounting groove.
The setting of end cap can prevent the hot-air in mounting groove from being entered from mounting hole in casing, so that main shaft is electric
Heat caused by machine will not be detained in casing, ensure heat caused by spindle motor can quickly be transported to it is extraneous and no longer
It is detained in casing, makes the good heat dissipation effect of sewing machine.
In the spindle motor mounting structure of above-mentioned sewing machine, the rotor includes cylindrical armature spindle, described
It is arranged on the left end of armature spindle and is fixed with swivel, the swivel is cylindrical, and the stator is cylindrical, and the swivel is located at
In stator, the rotary gap, the right-hand member tool of the armature spindle are formed between the lateral surface of the swivel and the medial surface of stator
There is the fixed part of protrusion stator, the fixing hole through armature spindle medial surface is offered on the lateral surface of the fixed part, it is described solid
Determine hole internal thread and be connected with screw, the bottom of the screw is resisted against on the lateral surface of main shaft.
Install in motor, first stator is fixed on the right side of casing, then swivel is fixed on armature spindle, then will
Swivel is pushed into stator on the main shaft by rotor axle sleeve, at this moment rotor in the presence of magnetic induction automatically on main shaft
Armature spindle, is then fixed on main shaft by mobile adjustment good position with screw, spindle motor it is quick and easy for installation.
In the spindle motor mounting structure of above-mentioned sewing machine, electricity is also included in the spindle motor mounting structure of sewing machine
Road plate fixed mount, the circuit board fixing rack are fixed on the right side of casing, and the circuit board fixing rack is located at spindle motor
Outside, there is wind gap, the wind gap connects with mounting groove between the circuit board fixing rack and spindle motor.
Circuit board is fixed with circuit board fixing rack, circuit board controls the rotation of spindle motor, and circuit board produces when working
Heat, during main axis, in the presence of handwheel and fan, the air at spindle motor produces flowing, due to wind gap
In the presence of heat caused by two parts of spindle motor and circuit board being taken away, so that the good heat dissipation effect of sewing machine.
Compared with prior art, the utility model has advantages below：
Air holes is set on handwheel, air vent is set on magnet steel fixed disk, fan is installed in the mounting groove of casing,
And make to be sequentially communicated into air holes, air vent, rotary gap and mounting groove, cool ambient air is quickly flowed at spindle motor
It is dynamic, the inside of spindle motor can be particularly quickly move through, enables spindle motor quick heat radiating, imitates the radiating of sewing machine
Fruit is good.Multiple air vents are set in magnet steel mounting disc and are uniformly distributed air vent, and air vent is relative with rotary gap sets
Put, further make the good heat dissipation effect of sewing machine.Fan plate is set in magnet steel mounting disc between adjacent company air vent, and
Make fan plate along the lateral surface for extending radially into magnet steel mounting disc of magnet steel mounting disc, reduce cold air at the end of magnet steel mounting disc
Convection current is produced on face, further makes the good heat dissipation effect of sewing machine.Through hole is set on fan, and being fixed in the bottom surface of mounting groove will
The end cap of mounting hole closing, sets ventilation gap on the right side of casing, makes the good heat dissipation effect of sewing machine.By spindle motor
Split type structure is arranged to, the stator and rotor for enabling spindle motor are separately fixed on casing and main shaft step by step, make main shaft
Motor is easy for installation.
Brief description of the drawings
Fig. 1 is the sectional view of this spindle motor mounting structure；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is the explosive view of this spindle motor mounting structure；
Fig. 4 is the three-dimensional cutaway view of spindle motor in this spindle motor mounting structure；
Fig. 5 is the stereogram of magnet steel fixed disk in this spindle motor mounting structure；
Fig. 6 is the explosive view of handwheel in this spindle motor mounting structure；
Fig. 7 is the stereogram of fan in this spindle motor mounting structure.
In figure, 1, casing；1a, mounting groove；1a1, ventilating opening；1b, mounting hole；1c, column；1d, ventilation gap；2nd, it is main
Axle；3rd, spindle motor；3a, stator；3b, rotor；3b1, swivel；3b2, armature spindle；3b2a, fixed part；3b2b, fixing hole；3c、
Screw；3d, magnet steel fixed disk；3d1, centre bore；3d2, air vent；3d3, fan plate；3e, rotary gap；4th, circuit board fixing rack；
4a, wind gap；5th, outer cover；6th, food tray；6a, exhaust vent；7th, end cap；8th, fan；8a, cylindrical hole；8b, through hole；8c, flabellum；
9th, handwheel；9a, wheel rim；9b, wheel rim；9c, spoke；9d, enter air holes；9e, handwheel sleeve；9f, handwheel cover；9f1, arc-shaped slot；
9f2, arrow.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
Embodiment one
As Figure 1-Figure 4, the spindle motor mounting structure of a kind of sewing machine, including spindle motor 3, casing 1, main shaft 2,
Circuit board fixing rack 4 and outer cover 5.Outer cover 5 has the hollow structure of inner chamber, the left end opening of outer cover 5, the left side patch of outer cover 5
Lean on and be fixed on the right side of casing 1.There is the demarcation strip of protrusion, demarcation strip is by the inner chamber of outer cover 5 on the internal chamber wall of outer cover 5
It is divided into circuit board installation cavity and spindle motor installation cavity, circuit board installation cavity is connected with spindle motor installation cavity, and circuit board is solid
Determine the left end opening that frame 4 is fixed on circuit board installation cavity, be fixed with circuit board in circuit board fixing rack 4, and circuit board is located at
In circuit board installation cavity.Main shaft 2 is located in casing 1, and the right-hand member of main shaft 2 stretches out from the right-hand member of casing 1 and consolidated with spindle motor 3
Fixed connection, spindle motor 3 are located in spindle motor installation cavity, and circuit board fixing rack 4 is located at the outer circumferential side of spindle motor 3, circuit
There is wind gap 4a between plate fixed mount 4 and spindle motor 3.Circuit board electrically connects with spindle motor 3, and circuit board can be controlled
Spindle motor 3 processed rotates.
Mounting groove 1a is provided with the right side of casing 1, spindle motor installation cavity connects with mounting groove 1a, the right side of casing 1
Ventilating opening 1a1 is additionally provided with end face, ventilating opening 1a1 is located at mounting groove 1a lower section and connected with mounting groove 1a.Under casing 1
Be fixed with food tray 6 on end face, the right-hand member of food tray 6 is provided with the exhaust vent 6a for running through food tray 6 up and down, exhaust vent 6a lower end with it is outer
Boundary connects, and exhaust vent 6a upper end connects with ventilating opening 1a1.Passage, circuit board installation cavity are provided with circuit board fixing rack 4
Connected by passage with mounting groove 1a, wind gap 4a connects with mounting groove 1a.Offer and run through on mounting groove 1a bottom surface
The mounting hole 1b of the shell wall of casing 1, main shaft 2 are located in mounting hole 1b, and the end cap 7 for closing mounting hole 1b is arranged with main shaft 2,
End cap 7 is fixed on mounting groove 1a bottom surface.It is arranged on main shaft 2 and is fixed with fan 8, fan 8 is located in mounting groove 1a and position
In the left side of spindle motor 3.The right side of spindle motor 3 is provided with handwheel 9, and handwheel 9 is arranged and is fixed on the right-hand member of main shaft 2,
The right-hand member of handwheel 9 stretches out the right side of outer cover 5.
Spindle motor 3, which includes stator 3a, rotor 3b and magnet steel fixed disk 3d, rotor 3b, includes cylindrical swivel 3b1
It is arranged and is fixed on armature spindle 3b2 left end with cylindrical armature spindle 3b2, swivel 3b1, stator 3a is cylindrical, turns
Body 3b1 is located in stator 3a, turns and rotary gap 3e is formed between 3b1 lateral surface and stator 3a medial surface.The right side of casing 1
More root post 1c of protrusion are provided with end face, are traditionally arranged to be two, three, four or five, column 1c is positioned at installation
On groove 1a notch outer, stator 3a is fixed on column 1c right side, has ventilation gap between two neighboring column 1c
1d, ventilation gap 1d connect with mounting groove 1a, and ventilation gap 1d also connects with mounting groove 1a spindle motor installation cavitys, ventilation gap
1d connects with stator 3a lateral surface.Armature spindle 3b2 right-hand member has protrusion stator 3a fixed part 3b2a, fixed part 3b2a's
The fixing hole 3b2b through armature spindle 3b2 medial surfaces is offered on lateral surface, fixing hole 3b2b internal threads are connected with screw 3c, spiral shell
Nail 3c bottom is resisted against on the lateral surface of main shaft 2.Magnet steel fixed disk 3d is fixed on main shaft 2 and positioned at the armature spindle 3b2 right side
Side, i.e., magnet steel fixed disk 3d is between rotor 3b and handwheel 9.Magnet steel fixed disk 3d is in the form of annular discs and is provided with its center
Centre bore 3d1, main shaft 2 pass through centre bore 3d1.Magnet steel is fixed with magnet steel fixed disk 3d, is provided with suddenly on stator 3a right-hand member
That sensor, magnet steel and Hall sensor coordinate the rotating speed of detection spindle motor 3.
As shown in Figure 4 and Figure 5, magnet steel fixed disk 3d is provided with air vent 3d2, and air vent 3d2 is arcuate socket, air vent
3d2 is oppositely arranged with rotary gap 3e, and air vent 3d2 is provided with multiple and main shaft 2 circumference and is uniformly distributed, for example sets eight
It is individual, 12 or 16.Towards the fan plate 3d3 with protrusion on rotor 3b end face, fan plate 3d3 is in magnet steel fixed disk 3d
Straight panel shape, the lateral surfaces that extends radially outwardly into magnet steel fixed disk 3d of the fan plate 3d3 along magnet steel fixed disk 3d, fan plate 3d3 are
At least there is a fan plate 3d3 between multiple and two neighboring air vent 3d2.
As shown in figures 1 to 6, handwheel 9 includes cylindrical wheel rim 9a, cylindrical wheel rim 9b and helically blade
The spoke 9c of shape, spoke 9c have it is multiple and evenly distributed along wheel rim 9b lateral surface, such as eight, nine or ten.Wheel rim
9b is located in wheel rim 9a, and spoke 9c is located in wheel rim 9a interior, spoke 9c outer end and wheel rim 9a medial surface integrally connected, spoke
9c the inner and wheel rim 9b lateral surface integrally connected, formed into air holes 9d between two neighboring spoke 9c, enter air holes 9d with it is outer
Boundary connects, and enters air holes 9d and connected with spindle motor installation cavity, and stator 3a lateral surface enters air holes 9d connections.Handwheel 9 and master
Handwheel sleeve 9e is provided between axle 2, handwheel sleeve 9e is set with and is fixed on main shaft 2, and the wheel rim 9b of handwheel 9 is set with and is fixed on hand
On wheel case 9e, also it is arranged on handwheel sleeve 9e and is fixed with handwheel cover 9f, there is arc-shaped slot 9f1 on handwheel cover 9f, enter air holes 9d
It is in communication with the outside by arc-shaped slot 9f1, handwheel cover 9f is located in wheel rim 9a and positioned at the right side of spoke.Set on handwheel cover 9f
There is arrow 9f2, the direction of rotation of main shaft 2 when arrow 9f2 instruction sewing machines just stitch.Enter air holes 9d, air vent 3d2,
Rotary gap 3e and mounting groove 1a are sequentially communicated.
As shown in Figure 1 and Figure 7, fan 8 is in the form of annular discs, and cylindrical hole 8a is provided with the center of fan 8, and main shaft 2 passes through circle
Post holes 8a.For fan 8 towards the through hole 8b offered on rotor 3b end face through fan 8, through hole 8b is multiple and main shaft 2 weeks
To being uniformly distributed, through hole 8b could be arranged to six, seven, eight or nine.Fan 8 is towards setting on rotor 3b end face
There are multiple flabellum 8c of protrusion, at least one flabellum 8c between two neighboring through hole 8b.
When main shaft 2 rotates, handwheel 9 and fan 8 is driven to rotate, handwheel 9 acts on air-supply, and fan 8 has draft effect.
Handwheel 9 and fan 8, which rotate, is transported to the cold air in the external world in spindle motor installation cavity, i.e., cool ambient air is transported into main shaft
At motor 3, a portion of cold air is passed through on magnet steel fixed disk 3d by stator 3a outside, another part of cold air
Air vent 3d2 enter stator 3a and turn in rotary gap 3e between 3b1, cold air and spindle motor 3 carry out hot friendship
Changing makes spindle motor 3 outwardly and inwardly while cools, and cold air is changed into hot-air after the heat exchange.Handwheel 9 and fan 8 rotate and
Hot-air in the installation cavity of main shaft 2 is extracted into mounting groove 1a and the external world is transported to by ventilating opening 1a1 and exhaust vent 6a.Handwheel
Cold air can be quickly transported at spindle motor 3 by 9 setting, and the setting of the air vent 3d2 on magnet steel fixed disk 3d can
So that the extraneous cold air that handwheel 9 conveys can be smoothly rapidly introduced into rotary gap 3e, then coordinate the exhausting of fan 8
Effect, heat caused by spindle motor 3 is set quickly to take main shaft out of from the outside of spindle motor 3 and air that is internal while being flowed
Motor 3, so that the good heat dissipation effect of sewing machine.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (10)
1. a kind of spindle motor mounting structure of sewing machine, including spindle motor (3), casing (1) and main shaft (2), the main shaft
Motor (3) includes rotor (3b), stator (3a) and magnet steel fixed disk (3d), has rotation between the rotor (3b) and stator (3a)
Turn gap (3e), the mounting groove (1a) being in communication with the outside, the right side of the main shaft (2) are provided with the right side of the casing (1)
End passes from the bottom surface of mounting groove (1a) and is fixedly connected with the rotor (3b) of motor, and the stator (3a) is arranged on casing (1)
Right side on, be arranged on the main shaft (2) and be fixed with fan (8), the fan (8) is located in mounting groove (1a) and turned
The left side of sub (3b), the handwheel (9) being further fixed on the main shaft (2) on the right side of rotor (3b), the magnet steel fixed disk
(3d) is arranged and is fixed on main shaft (2), and the magnet steel fixed disk (3d) is located between handwheel (9) and rotor (3b), its feature
Be, offered on the handwheel (9) be in communication with the outside enter air holes (9d), the magnet steel fixed disk (3d) is provided with air vent
(3d2), it is described enter air holes (9d), air vent (3d2), rotary gap (3e) and mounting groove (1a) be sequentially communicated.
2. the spindle motor mounting structure of sewing machine according to claim 1, it is characterised in that the air vent (3d2)
With rotary gap (3e) relatively, the air vent (3d2) is provided with multiple and is uniformly distributed along the circumference of main shaft (2).
3. the spindle motor mounting structure of sewing machine according to claim 2, it is characterised in that the magnet steel fixed disk
(3d) towards the fan plate (3d3) with protrusion on rotor (3b) end face, the fan plate (3d3) is multiple, and two neighboring logical
At least there is a fan plate (3d3) between air holes (3d2).
4. the spindle motor mounting structure of sewing machine according to claim 3, it is characterised in that it is described fan plate (3d3) be in
Straight panel shape, the lateral surface that extends radially outwardly into magnet steel fixed disk (3d) of the fan plate (3d3) along magnet steel fixed disk (3d),
The air vent (3d2) is arcuate socket.
5. according to the spindle motor mounting structure of any described sewing machines of claim 1-4, it is characterised in that the casing
(1) more root posts (1c) of protrusion are provided with right side, the column (1c) is located on the notch outer of mounting groove (1a),
The stator (3a) is fixed on column (1c) right side, has ventilation gap (1d), institute between two neighboring column (1c)
State ventilation gap (1d) with mounting groove (1a) to be connected, lateral surface of the ventilation gap (1d) also with stator (3a) connects, institute
The lateral surface for stating stator (3a) also connects with entering air holes (9d).
6. the spindle motor mounting structure of sewing machine according to claim 5, it is characterised in that the handwheel (9) includes
Cylindrical wheel rim (9a), cylindrical wheel rim (9b) and helically foliated spoke (9c), the spoke (9c)
Outer end and the medial surface integrally connected of wheel rim (9a), the inner of the spoke (9c) and the lateral surface integrally connected of wheel rim (9b),
The spoke (9c) have it is multiple and evenly distributed along the lateral surface of wheel rim (9b), formed between the two neighboring spoke (9c) into
Air holes (9d).
7. according to the spindle motor mounting structure of any described sewing machines of claim 1-4, it is characterised in that the fan
(8) towards the through hole (8b) offered on rotor (3b) end face through fan (8), the through hole (8b) is multiple and along main shaft
(2) circumference is uniformly distributed.
8. according to the spindle motor mounting structure of any described sewing machines of claim 1-4, it is characterised in that the mounting groove
The mounting hole (1b) through casing (1) shell wall is offered on the bottom surface of (1a), the main shaft (2) is located in mounting hole (1b),
The end cap (7) for closing mounting hole (1b) is also arranged with the main shaft (2), the end cap (7) is fixed on mounting groove (1a)
On bottom surface.
9. according to the spindle motor mounting structure of any described sewing machines of claim 1-4, it is characterised in that the rotor
(3b) includes cylindrical armature spindle (3b2), is arranged on the left end of the armature spindle (3b2) and is fixed with swivel (3b1), institute
It is cylindrical to state swivel (3b1), the stator (3a) is cylindrical, and the swivel (3b1) is located in stator (3a), the swivel
The rotary gap (3e), the right-hand member of the armature spindle (3b2) are formed between the medial surface of the lateral surface and stator (3a) of (3b1)
With the fixed part (3b2a) for protruding stator (3a), offered on the lateral surface of the fixed part (3b2a) through armature spindle
The fixing hole (3b2b) of (3b2) medial surface, fixing hole (3b2b) internal thread are connected with screw (3c), the screw (3c)
Bottom is resisted against on the lateral surface of main shaft (2).
10. according to the spindle motor mounting structure of any described sewing machines of claim 1-4, it is characterised in that sewing machine
Also include circuit board fixing rack (4) in spindle motor mounting structure, the circuit board fixing rack (4) is fixed on the right side of casing (1)
On end face, the circuit board fixing rack (4) is located at the outer circumferential side of spindle motor (3), the circuit board fixing rack (4) and main shaft electricity
There is wind gap (4a), the wind gap (4a) connects with mounting groove (1a) between machine (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469186.4U CN206783956U (en) | 2017-04-28 | 2017-04-28 | A kind of spindle motor mounting structure of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469186.4U CN206783956U (en) | 2017-04-28 | 2017-04-28 | A kind of spindle motor mounting structure of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206783956U true CN206783956U (en) | 2017-12-22 |
Family
ID=60710518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720469186.4U Withdrawn - After Issue CN206783956U (en) | 2017-04-28 | 2017-04-28 | A kind of spindle motor mounting structure of sewing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN206783956U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106906579A (en) * | 2017-04-28 | 2017-06-30 | 浙江中捷缝纫科技有限公司 | A kind of spindle motor mounting structure of sewing machine |
| EP3518397A1 (en) * | 2018-01-25 | 2019-07-31 | H. S. Machinery Co., Ltd | Drive apparatus for sewing machines |
-
2017
- 2017-04-28 CN CN201720469186.4U patent/CN206783956U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106906579A (en) * | 2017-04-28 | 2017-06-30 | 浙江中捷缝纫科技有限公司 | A kind of spindle motor mounting structure of sewing machine |
| EP3518397A1 (en) * | 2018-01-25 | 2019-07-31 | H. S. Machinery Co., Ltd | Drive apparatus for sewing machines |
| US10731281B2 (en) | 2018-01-25 | 2020-08-04 | H. S. Machinery Co., Ltd. | Heat dissipation apparatus for sewing machines |
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| AV01 | Patent right actively abandoned | ||
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Granted publication date: 20171222 Effective date of abandoning: 20220426 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20171222 Effective date of abandoning: 20220426 |