CN207053285U - A kind of domestic sewing machine DC brushless motor - Google Patents
A kind of domestic sewing machine DC brushless motor Download PDFInfo
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- CN207053285U CN207053285U CN201720952578.6U CN201720952578U CN207053285U CN 207053285 U CN207053285 U CN 207053285U CN 201720952578 U CN201720952578 U CN 201720952578U CN 207053285 U CN207053285 U CN 207053285U
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Abstract
A kind of domestic sewing machine DC brushless motor, including housing are the utility model is related to, motor is provided with housing, enclosure interior is provided with control board；Motor includes electric machine casing, and rotor assembly and stator module are provided with electric machine casing；Rotor assembly includes machine shaft, and a magnetic guiding cycle is arranged in the middle part of machine shaft, a permanent magnet is provided with the outside of magnetic guiding cycle；Stator module is located on the outside of permanent magnet；A wind wheel is provided with the machine shaft other end, wind wheel is located inside electric machine casing；Wind wheel includes the fan blade seat of hollow columnar, and fan blade seat one end is provided with fan blade；Fan blade cover for seat is located on the outside of machine shaft, and the one end of fan blade seat away from fan blade is against the end of magnetic guiding cycle, and one end of the nearly fan blade of fan blade seat is provided with the jump ring being set at machine shaft；Electric machine casing, which corresponds to, is provided with heat emission hole at fan blade.The electric machine structure is reasonable, connects compact, small in volume, is specially adapted for family's sewing machine, easy for installation, increases heat abstractor, and motor radiating effect is good, service life length.
Description
Technical field
It the utility model is related to DC brushless motor field, more particularly to a kind of domestic sewing machine DC brushless motor.
Background technology
Sewing machine uses motor to reach deceleration purpose by modes such as belt transmissions as motive power source substantially.City at present
On field, in sewing machine industry, mainly there are three kinds of motors：One kind is exchange brush motor, and one kind is brush direct current motor, another
Kind is DC brushless motor.Above both are brush motor, following defect be present：Rotation speed change is bigger, speed error ratio
It is larger；Carbon brush commutator friction, noise are big；Commutation spark can not be completely eliminated；Commutator and carbon brush easily wear, aoxidized, and make
Use short life；Complex manufacturing technology, it is not easy to automated production；Wherein exchange brush motor also have volume is big, weight weight, peace
Fill the defects of difficult.DC brushless motor is commercially more favourable at present, but there is also following defect for DC brushless motor：
Volume is not small enough, not convenient enough on domestic sewing machine；Lack heat abstractor or heat abstractor installation is unreasonable, for a long time
It is uneven using being difficult to radiate or radiating, influence service life.
The content of the invention
In order to solve the above problems, the purpose of this utility model is to provide a kind of domestic sewing machine DC brushless motor,
The domestic sewing machine DC brushless motor structure is reasonable, connects compact, small volume, in light weight, is specially adapted for family's sewing machine,
It is easy for installation, increase heat abstractor, motor radiating effect is good, more uniformly, motor service life length.
In order to realize above-mentioned purpose, the utility model employs following technical scheme：A kind of domestic sewing machine direct current
Brushless electric machine, including housing, motor is provided with housing, enclosure interior is provided with control board, and control board is used to control electricity
Machine is run；Motor includes electric machine casing, and rotor assembly and stator module are provided with electric machine casing；Rotor assembly turns including motor
Axle, machine shaft middle part are arranged a magnetic guiding cycle, a permanent magnet are provided with the outside of magnetic guiding cycle；Stator module is located on the outside of permanent magnet, fixed
Sub-component includes stator core, and the first skeleton and the second skeleton are provided with stator core；Machine shaft one end passes electric machine casing
For power output；A wind wheel is provided with the machine shaft other end, wind wheel is located inside electric machine casing；Wind wheel includes hollow columnar
Fan blade seat, fan blade seat one end is provided with fan blade；Fan blade cover for seat is located on the outside of machine shaft, and the one end of fan blade seat away from fan blade is supported
In the end of magnetic guiding cycle, one end of the nearly fan blade of fan blade seat is provided with the jump ring being set at machine shaft, and jump ring is used to limit fan blade
Put at seat；Electric machine casing, which corresponds to, is provided with heat emission hole at fan blade.
Preferably, electric machine casing includes the internal enclosure body for being provided with installation cavity, installation cavity one end open and opening
Provided with electric motor end cap.
Only need to combine by the enclosure body provided with installation cavity and electric motor end cap, the assembling with regard to electric machine casing can be completed,
It is easy for installation, using simple.
Preferably, the first installation for being used to coordinate with the other end described in machine shaft is provided with the middle part of the bottom wall of enclosure body
Hole, the first mounting hole is interior to be provided with clutch shaft bearing by the first pad, and the other end described in machine shaft is at clutch shaft bearing.
First mounting hole cooperates with machine shaft, by the first pad and clutch shaft bearing, by the position of machine shaft
It is defined so that skew will not be produced in machine shaft rotation process.
Preferably, the middle part of electric motor end cap is provided with the second mounting hole being used for one end fits described in machine shaft, the
Second bearing is provided with by the second pad in two mounting holes, one end described in machine shaft is at second bearing.
Second mounting hole cooperates with machine shaft, by the second pad and second bearing, by the position of machine shaft
It is defined so that skew will not be produced in machine shaft rotation process.
The utility model uses above-mentioned technical proposal, and the utility model is related to a kind of domestic sewing machine DC brushless motor,
Motor is provided with a kind of domestic sewing machine DC brushless motor housing, enclosure interior is provided with control board, by controlling electricity
Road plate controlled motor operation；Rotor assembly and stator module are provided with electric machine casing, rotor assembly is turned by machine shaft, motor
The magnetic guiding cycle being arranged in the middle part of axle, the permanent magnet that magnetic guiding cycle outside is provided with cooperate, and produce electromagnetic torque and induced electromotive force；Position
Stator module on the outside of permanent magnet produces magnetic field；Machine shaft one end passes electric machine casing and is used for power output, can be with family
Combined and connected with sewing machine, and it is rational in infrastructure, compact, small volume is connected, it is in light weight, it is easy for installation；At the machine shaft other end
Provided with a wind wheel, wind wheel includes the fan blade seat of hollow columnar, and fan blade seat one end is provided with fan blade；Fan blade cover for seat is located at machine shaft
Outside, the one end of fan blade seat away from fan blade are against the end of magnetic guiding cycle, and one end of the nearly fan blade of fan blade seat, which is provided with, is set in motor turn
Jump ring at axle, jump ring are put for limiting fan blade seat, and fan blade seat defines position by the mutual cooperation of magnetic guiding cycle and jump ring
Put, do not appear in situation about moving back and forth on machine shaft；Electric machine casing corresponds to and heat emission hole is provided with fan blade, wind wheel and radiating
Hole cooperates, and reaches Homogeneouslly-radiating effect.
Brief description of the drawings
Fig. 1 is a kind of dimensional structure diagram of domestic sewing machine DC brushless motor of the utility model；
Fig. 2 is a kind of top view of domestic sewing machine DC brushless motor of the utility model；
Fig. 3 is A-A positions sectional view in Fig. 2；
Fig. 4 is a kind of explosive view of domestic sewing machine DC brushless motor of the utility model；
Fig. 5 is the structural representation of wind wheel in the utility model.
Embodiment
1-5 below in conjunction with the accompanying drawings, preferred embodiment of the present utility model is described in further detail.
A kind of domestic sewing machine DC brushless motor as Figure 1-5, including housing 1, motor, shell are provided with housing 1
The inside of body 1 is provided with control board 16, and control board 16 is run for controlled motor；Motor includes electric machine casing, motor casing
It is provided with rotor assembly and stator module in vivo；Rotor assembly includes machine shaft 3, and the middle part of machine shaft 3 is arranged a magnetic guiding cycle
10, the outside of magnetic guiding cycle 10 is provided with a permanent magnet 11；Stator module is located at the outside of permanent magnet 11, and stator module includes stator core
13, the first skeleton 12 and the second skeleton 18 are provided with stator core 13；It is defeated for power that the one end of machine shaft 3 passes electric machine casing
Go out；A wind wheel 19 is provided with the other end of machine shaft 3, wind wheel 19 is located inside electric machine casing；Wind wheel 19 includes hollow columnar
Fan blade seat 9, the one end of fan blade seat 9 are provided with fan blade 8；Fan blade seat 9 is set in the outside of machine shaft 3, and fan blade seat 9 is away from fan blade 8
One end is against the end of magnetic guiding cycle 10, and one end of the nearly fan blade 8 of fan blade seat 9 is provided with the jump ring 7 being set at machine shaft 3, jump ring 7
For limiting the position of fan blade seat 9；Electric machine casing, which corresponds to, is provided with heat emission hole at fan blade 8.Rotor assembly passes through machine shaft 3, motor
The magnetic guiding cycle 10 that the middle part of rotating shaft 3 is arranged and the permanent magnet 11 positioned at the outside of magnetic guiding cycle 10 cooperate, and produce electromagnetic torque and sense
Answer electromotive force；And the stator module positioned at the outside of permanent magnet 11 produces magnetic field；The one end of machine shaft 3 passes electric machine casing and is used to move
Power is exported, and connection can be combined with domestic sewing machine, and rational in infrastructure, connects compact, small volume, in light weight, easy for installation；Electricity
A wind wheel 19 is provided with the other end of machine rotating shaft 3, wind wheel 19 includes the fan blade seat 9 of hollow columnar, and the one end of fan blade seat 9 is provided with fan blade
8；Fan blade seat 9 is set in the outside of machine shaft 3, and the one end of fan blade seat 9 away from fan blade 8 is against the end of magnetic guiding cycle 10, fan blade seat 9
One end of nearly fan blade 8 is provided with the jump ring 7 being set at machine shaft 3, and jump ring 7 is used to limit the position of fan blade seat 9, and fan blade seat 9 is logical
The mutual cooperation of magnetic guiding cycle 10 and jump ring 7 is crossed, defines position, does not appear on machine shaft 3 situation about moving back and forth；When
When machine shaft 3 rotates, the also concomitant rotation of wind wheel 19；Electric machine casing, which corresponds to, is provided with heat emission hole, wind wheel 19 and heat emission hole at fan blade 8
Cooperate, reach Homogeneouslly-radiating effect.
Specifically, electric machine casing includes the internal enclosure body 2 for being provided with installation cavity, installation cavity one end open and opening is set
There is electric motor end cap 4.Only need to combine by the enclosure body 2 provided with installation cavity and electric motor end cap 4, with regard to electric machine casing can be completed
Assembling, it is easy for installation, using simple.
Specifically, the first installation for being used to coordinate with the other end described in machine shaft 3 is provided with the middle part of the bottom wall of enclosure body 2
Hole 15, clutch shaft bearing 5 is provided with by the first pad 6 in the first mounting hole 15, the other end described in machine shaft 3 is located at clutch shaft bearing
At 5.First mounting hole 15 cooperates with machine shaft 3, by the first pad 6 and clutch shaft bearing 5, by the position of machine shaft 3
Put and be defined so that will not produce skew in the rotation process of machine shaft 3.
Specifically, the middle part of electric motor end cap 4 is provided with the second mounting hole being used for one end fits described in machine shaft 3, the
Second bearing 17 is provided with by the second pad 14 in two mounting holes, one end described in machine shaft 3 is at second bearing 17.Second
Mounting hole is cooperated with machine shaft 3, and by the second pad 14 and second bearing 17, the position of machine shaft 3 is limited
It is fixed so that will not to produce skew in the rotation process of machine shaft 3.
Claims (4)
- A kind of 1. domestic sewing machine DC brushless motor, it is characterised in that：Including housing (1), housing (1) place is provided with motor, shell Control board (16) is provided with inside body (1), control board (16) is run for controlled motor；Motor includes electric machine casing, Rotor assembly and stator module are provided with electric machine casing；Rotor assembly includes machine shaft (3), is arranged in the middle part of machine shaft (3) One magnetic guiding cycle (10), magnetic guiding cycle (10) outside are provided with a permanent magnet (11)；Stator module is located on the outside of permanent magnet (11), stator pack Part includes stator core (13), and stator core (13) place is provided with the first skeleton (12) and the second skeleton (18)；Machine shaft (3) one End passes electric machine casing and is used for power output；A wind wheel (19) is provided with machine shaft (3) other end, wind wheel (19) is located at motor Enclosure interior；Wind wheel (19) includes the fan blade seat (9) of hollow columnar, and fan blade seat (9) one end is provided with fan blade (8)；Fan blade seat (9) It is set on the outside of machine shaft (3), the one end of fan blade seat (9) away from fan blade (8) is against the end of magnetic guiding cycle (10), fan blade seat (9) one end of nearly fan blade (8) is provided with the jump ring (7) for being set in machine shaft (3) place, and jump ring (7) is used to limit fan blade seat (9) position Put；Electric machine casing corresponds to fan blade (8) place and is provided with heat emission hole.
- A kind of 2. domestic sewing machine DC brushless motor according to claim 1, it is characterised in that：Electric machine casing includes interior Portion is provided with the enclosure body (2) of installation cavity, installation cavity one end open and opening is provided with electric motor end cap (4).
- A kind of 3. domestic sewing machine DC brushless motor according to claim 2, it is characterised in that：Enclosure body (2) It is provided with the middle part of bottom wall and is used for the first mounting hole (15) that the other end described with machine shaft (3) coordinates, in the first mounting hole (15) Clutch shaft bearing (5) is provided with by the first pad (6), machine shaft (3) described other end is located at clutch shaft bearing (5) place.
- A kind of 4. domestic sewing machine DC brushless motor according to claim 2, it is characterised in that：Electric motor end cap (4) Middle part is provided with the second mounting hole being used for machine shaft (3) described one end fits, passes through the second pad in the second mounting hole (14) second bearing (17) is provided with, machine shaft (3) described one end is located at second bearing (17) place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720952578.6U CN207053285U (en) | 2017-08-01 | 2017-08-01 | A kind of domestic sewing machine DC brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720952578.6U CN207053285U (en) | 2017-08-01 | 2017-08-01 | A kind of domestic sewing machine DC brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207053285U true CN207053285U (en) | 2018-02-27 |
Family
ID=61498743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720952578.6U Active CN207053285U (en) | 2017-08-01 | 2017-08-01 | A kind of domestic sewing machine DC brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207053285U (en) |
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2017
- 2017-08-01 CN CN201720952578.6U patent/CN207053285U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190715 Address after: 323000 Zhejiang province Lishui Shuige Industrial Zone Liandu Shiniu Road No. 73 Patentee after: Yanfeng Anduo Tuofengde Motor Co., Ltd. Address before: 323000 Zhejiang province Lishui Shuige Industrial Zone Liandu Shiniu Road No. 73 Patentee before: Zhejiang Founder Motor Co., Ltd. |