CN207652246U - The driving plate of DC brushless motor and the connection structure of stator coil - Google Patents
The driving plate of DC brushless motor and the connection structure of stator coil Download PDFInfo
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- CN207652246U CN207652246U CN201721785320.8U CN201721785320U CN207652246U CN 207652246 U CN207652246 U CN 207652246U CN 201721785320 U CN201721785320 U CN 201721785320U CN 207652246 U CN207652246 U CN 207652246U
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- stator coil
- connection structure
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- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000011148 porous material Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 229910000976 Electrical steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
A kind of connection structure of the driving plate and stator coil of DC brushless motor, including stator (3), the stator coil (4) being wrapped on stator (3), control the holder (2) of driving plate (1) and fixed stator (3) that stator coil (4) is powered, the stator coil (4), driving plate (1) and electric power generating composition circuit, it is characterised in that：The top of the stator (3) is provided with conductive insert (6), the end of the stator coil (4) is connected with conductive insert (6), jack (11) is provided in driving plate (1) with conductive insert (6) corresponding position, the driving plate (1) is fixed on by jack (11) and conductive insert (6) weld above stator (3).It the advantage is that：Stator coil is connect by conductive insert with driving plate, and fixing-stable, conductive insert is not easily broken, driving plate and stator coil fixing-stable, conduct electricity very well, and again weld together driving plate and conductive insert after the height of driving plate can be adjusted according to actual use situation, convenient welding, it is adaptable.
Description
Technical field
The utility model is related to a kind of motor manufacture technology field, especially a kind of driving plate of DC brushless motor with it is fixed
The connection structure of subcoil.
Background technology
It is existing that a kind of that application No. is CN200820164928.3 is entitled《Non-brush permanent-magnet DC motor》China it is practical new
Type patent discloses a kind of non-brush permanent-magnet DC motor, including plastic package brushless direct current motor stator and brushless DC motor,
Brushless DC motor is by stamping forming rotor terminal pad, rotor insulation plastics and rotor-interface steel plate through injection molding structure
Integrally；Plastic package brushless direct current motor stator is integrally formed with coiling through injection molding by stator insulation plastics, silicon steel sheet component.
Brushless DC motor is using rotor insulation plastics single injection-molded and stator silicon steel sheet structure using Split assembled, superposition
It rivets；Waste of material caused by reducing common electric machine stator silicon steel sheet entirety punching press reduces material cost, and will
The brushless DC motor plastic packaging；The permanent magnet pieces of its brushless DC motor are uniformly adhered to outer rotor punching regularly
Molded rotor terminal pad surrounding, junction steel plate is molded integrally by rotor bottom by injection molding, and is disposably molded
Connection, ensure that the precision being connect with external interface.However, the DC brushless motor component fix it is insecure, service life compared with
Short, driving effect is undesirable, therefore the structure of the device also needs to be further improved.
Invention content
Technical problem to be solved in the utility model be for the above-mentioned prior art present situation and a kind of brush DC is provided
The driving plate of motor and the connection structure of stator coil, this connection structure, which has, can make DC brushless motor structure compact, volume
It is small, and the advantages of driving plate fixing-stable can be made, be not easy to loosen.
Technical solution is used by the utility model solves above-mentioned technical problem：The driving plate of this DC brushless motor with
The connection structure of stator coil, including stator, the stator coil being wrapped on stator, control stator coil be powered driving plate and
The holder of fixed stator, the stator coil, driving plate and electric power generating composition circuit, it is characterised in that：The top of the stator is set
Be equipped with conductive insert, the end of the stator coil is connected with conductive insert, in driving plate with conductive insert corresponding position
It is provided with jack, the driving plate is fixed on by jack and conductive insert weld above stator.
As an improvement, the top of the holder is preferably provided with lug boss, the company of being provided on the plate body of the driving plate
Hole is connect, the connecting hole is connected by screw with corresponding lug boss.So that driving plate is fixed more secured, is not easy to loosen.
As an improvement, the lug boss is preferably cylinder, being provided centrally with for the cylinder can be with connecting hole phase
The cylindrical hole of connection, the cylinder are three, and three cylinders are located on three apex angles of equilateral triangle.Triangle
Three vertex of shape contact on the plate body of driving plate, supporting ＆ stablizing, so that driving plate is arranged with holder keeping parallelism, are conducive to drive
Movable plate works normally.
As an improvement, the middle part of the stator is preferably provided with connection through-hole, it is spaced on the inner wall of the connection through-hole
Ground extends inwardly support arm, and the end of the support arm forms the location hole that can pass through rotor, and the stator setting is limiting
In frame, the position-limited rack is fixed in holder, and the stator coil winding is on the corresponding position-limited rack of support arm, the position-limited rack
On be provided with and prevent the stator coil baffle that is contacted with rotor of stator coil.
As an improvement, the top of the position-limited rack is preferably provided with insert rack, the top of the insert rack is provided with slot, institute
It states conductive insert and is plugged in slot with capable of shirking, the end of the stator coil is connected across insert rack with conductive insert.
As an improvement, the position-limited rack includes upper frame and lower frame, the insert rack is arranged on the top surface of upper frame, institute
It states to be provided on the bottom surface of lower frame and can wind the wrapping post that conducting wire prevents stator coil from loosening, the stator is arranged in upper frame
In the position-limited rack being combined to form with lower frame.
As an improvement, the rotor is preferably connected by shaft with fan blade transmission, the fan blade includes upper disk
Body, lower plate and the blade being arranged at intervals between upper plate and lower plate are provided with disk body through-hole in the middle part of the lower plate,
The upper plate is connected with the lower end of rotor, and the gap formed between adjacent blades is connected with the disk body through-hole of lower plate.
As an improvement, being preferably provided on the outside support end face of fan blade peripheral surface determine impeller, it is described to determine impeller
The flow deflector for directing air to blade is arranged at intervals on side, the bottom of the holder is provided with connection boss, described to determine leaf
The inner wall of wheel is buckled on connection boss, and the bottom of the holder is provided with motor housing in which can shirk, the motor housing
Bottom is provided with the intercommunicating pore inside and outside connection motor housing, described determine impeller and motor cover on intercommunicating pore top is arranged in fan blade
In intracoelomic cavity.
As an improvement, the holder includes upper bracket and lower bracket, the upper bracket is mutually fixed with lower bracket by bolt,
The stator holding is between upper bracket and lower bracket, and the driving plate is connected on the top surface of upper bracket, the upper bracket
It is respectively arranged with cavity and lower cavity on bottom surface and the top surface of lower bracket, is respectively arranged in the upper cavity and lower cavity
Bearing and lower bearing, one end of the shaft are inserted into upper bearing (metal), the other end of the shaft across lower bearing and lower cavity and
Stretch out lower bracket.
As an improvement, being preferably provided with stopper protrusion in the middle part of shaft, the end face of the rotor is contacted in stopper protrusion
On.
Compared with prior art, the utility model has the advantage of：Stator coil is connect by conductive insert with driving plate,
By the rigid connection for being directly connected to become conductive insert and driving plate between stator coil and driving plate, fixing-stable is conductive
Inserted sheet is not easily broken, moves, and driving plate and stator coil fixing-stable conduct electricity very well, can be according to actual use situation adjustment
Driving plate and conductive insert are welded together again after the height of driving plate, convenient welding is adaptable；Stator coil is nested with
It on support arm, is not easy to loosen, the position of stator coil more can be further limited by stator coil baffle, power output is more steady
It is fixed；Stator coil less occupies the rack space in addition to stator, keeps brushless motor structure more compact；The connection of stator is logical
Hole can mitigate the weight of stator, reduce making, transportation cost；Holder is divided into upper bracket and lower bracket, and stator is arranged in upper branch
Between frame and lower bracket, driving plate is located on upper bracket top surface, and upper bracket has separated stator and driving plate, is nested on stator
Farther out with driving plate distance, influence when stator coil is powered to driving plate weakens stator coil, it is ensured that driving plate works normally；
Stopper protrusion is provided in the middle part of shaft, rotor can be easily buckled in stopper protrusion, stable connection, be conducive to the flat of rotor
Steady rotation；The both ends of shaft are equipped with bearing, and bearing can reduce the abrasion between shaft and holder, and extend shaft uses the longevity
Life；Determining impeller can guide air to be flowed in one direction to fan blade side, help to form whirlpool quickening around fan blade
The flowing velocity of air-flow, flow deflector can stop that particulate matter enters fan blade, reduce the influence of impurity, and extend fan blade uses the longevity
Life, determine impeller be arranged with capable of shirking connection boss on be replaced and cleaned convenience；Fan blade can effectively reduce motor cover body temperature,
Playing the role of cooling motor delays motor to heat up, and blade is fixed between upper plate and lower plate, upper plate and lower wall physical efficiency
Reinforced blade improves the intensity of fan blade, more sturdy and durable；Upper plate is connected with rotor, connection area bigger, and connection is more
For stabilization, it is ensured that fan blade smooth rotation, using effect are more preferable；Disk body through-hole is provided in the middle part of lower plate, from fan blade side
Portion, which enters the air-flow of fan blade or flow, to be discharged from disk body through-hole, to which the air above and below fan blade lower part is formed follows
Ring improves the working efficiency of motor.
Description of the drawings
Fig. 1 is the application effect figure of the utility model embodiment；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the sectional view along line A-A in Fig. 2；
Fig. 4 is the structural exploded view of Fig. 1；
Fig. 5 is the further structural exploded view of Fig. 4；
Fig. 6 is the structural exploded view of undecomposed part in Fig. 5；
Fig. 7 is the structural exploded view that Fig. 5 is in another angle；
Fig. 8 is the structural exploded view of undecomposed part in Fig. 6；
Fig. 9 is the structural exploded view that Fig. 6 is in another angle；
Figure 10 is the structural exploded view of undecomposed part in Fig. 8；
Figure 11 is the structural exploded view of undecomposed part in Figure 10；
Figure 12 is the structural exploded view of undecomposed part in Fig. 4；
Figure 13 is the structural exploded view that Fig. 4 is in another angle；
Figure 14 is rotor and the matched stereogram of shaft in Figure 10；
Figure 15 is the structural exploded view of Figure 14；
Figure 16 is the front projection figure of fan blade in Figure 10；
Figure 17 is the sectional view along line B-B in Figure 16；
Figure 18 is the upward view that impeller is determined in Fig. 8.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing embodiment.
As shown in Fig. 1 to Figure 18, the driving plate of the DC brushless motor of the present embodiment and the connection structure of stator coil, packet
Stator 3 is included, the stator coil 4 being wrapped on stator 3, the holder for the driving plate 1 and fixed stator 3 that control stator coil 4 is powered
2, the stator coil 4, driving plate 1 and electric power generating composition circuit, the top of the stator 3 is provided with conductive insert 6, the stator
The end of coil 4 is connected with conductive insert 6, and 6 corresponding position of conductive insert is provided with jack 11 in driving plate 1, described
Driving plate 1 is fixed on 3 top of stator by jack 11 and conductive insert 6 weld.The lower end of conductive insert 6 be provided with can with insert
The connecting pin 61 that slot plugs, the top of the holder 2 are provided with lug boss 27, the company of being provided on the plate body of the driving plate 1
Hole is connect, the connecting hole is connected by screw with corresponding lug boss 27.The lug boss 27 is cylinder, the cylinder
Be provided centrally with the cylindrical hole that can be connected with connecting hole, the cylinder is three, and three cylinders are located at
On three apex angles of side triangle.The middle part of the stator 3 is provided with connection through-hole, compartment of terrain on the inner wall of the connection through-hole
Support arm 31 is extended inwardly, the end of the support arm 31 forms the location hole 32 that can pass through rotor 5, and the stator 3 is arranged
In position-limited rack, the position-limited rack is fixed in holder 2, and the stator coil 4 is wrapped on 31 corresponding position-limited rack of support arm,
The stator coil baffle 33 for preventing stator coil 4 from being contacted with rotor 5 is provided on the position-limited rack.The top of the position-limited rack
It is provided with insert rack 34, the top of the insert rack 34 is provided with slot, and the conductive insert 6 is plugged in slot in which can shirk, institute
The end for stating stator coil 4 is connected across insert rack 34 with conductive insert 6.The position-limited rack includes upper frame 35 and lower frame
36, the insert rack 34 is arranged on the top surface of upper frame 35, and conducting wire can be wound by, which being provided on the bottom surface of the lower frame 36, prevents
The wrapping post 37 that stator coil 4 loosens, the stator 3 are arranged in the position-limited rack that upper frame 35 and lower frame 36 are combined to form.
The rotor 5 is connected by the transmission of shaft 51 and fan blade 7, and the fan blade 7 includes upper plate 71, lower plate 72 and
The middle part of the blade 73 being arranged between upper plate 71 and lower plate 72, the lower plate 72 is provided with disk body through-hole 74, institute
It states upper plate 71 with the lower end of rotor to be connected, 74 phase of disk body through-hole in the gap formed between adjacent blades 73 and lower plate 72
Connection.It is provided on the outside support end face of fan blade peripheral surface and determines impeller 8, be arranged at intervals on the side for determining impeller 8
The flow deflector 81 of blade 73 is directed air to, the bottom of the holder 2 is provided with connection boss 28, the inner wall for determining impeller 8
It is buckled on connection boss 28, the bottom of the holder 2 is provided with motor housing 9, the bottom of the motor housing 9 in which can shirk
The intercommunicating pore being provided with inside and outside connection motor housing, it is described determine impeller 8 and motor housing on intercommunicating pore top is arranged in fan blade 7
In 9 inner cavities.The holder 2 includes upper bracket and lower bracket, and the upper bracket is mutually fixed with lower bracket by bolt, the stator
Between upper bracket and lower bracket, the driving plate 1 is connected on the top surface of upper bracket for holding, and the bottom surface of the upper bracket is under
Cavity 21 and lower cavity 22 are respectively arranged on the top surface of holder, the upper cavity 21 is respectively arranged with lower cavity 22
One end of upper bearing (metal) 23 and lower bearing 24, the shaft 51 is inserted into upper bearing (metal) 23, and the other end of the shaft 51 passes through lower axle
Hold 24 with lower cavity 22 and stretch out lower bracket.It is provided with stopper protrusion 52 in the middle part of shaft, the end face of the rotor 5, which contacts, to be limited
On the protrusion 52 of position.The periphery of the upper bracket is arranged at intervals with upper convex portion 25, and connection bulge loop is provided at the top of the lower bracket,
It is correspondingly arranged on lower protrusion 26 on the inner wall of the connection bulge loop, the upper surface of the stator is contacted in the bottom surface of upper convex portion 25,
The lower surface of the stator contacts the top surface in lower protrusion 26, for connect the bolt of upper bracket and lower bracket by upper convex portion 25 with
Lower protrusion 26 is plugged in together.Limiting groove 38 is provided on the side wall of the stator, to fixed upper bracket and lower bracket
The body of rod holding of bolt is in limiting groove 38.
Claims (10)
1. a kind of driving plate of DC brushless motor and the connection structure of stator coil, including stator (3), are wrapped in stator (3)
On stator coil (4), control stator coil (4) be powered driving plate (1) and fixed stator (3) holder (2), the stator
Coil (4), driving plate (1) and electric power generating composition circuit, it is characterised in that：The top of the stator (3) is provided with conductive insert
(6), the end of the stator coil (4) is connected with conductive insert (6), in driving plate (1) with conductive insert (6) corresponding position
Place is provided with jack (11), and the driving plate (1) is fixed on by jack (11) and conductive insert (6) weld on stator (3)
Side.
2. connection structure according to claim 1, it is characterised in that：It is provided with lug boss at the top of the holder (2)
(27), connecting hole is provided on the plate body of the driving plate (1), the connecting hole passes through screw and corresponding lug boss (27) phase
Connection.
3. connection structure according to claim 2, it is characterised in that：The lug boss (27) is cylinder, the cylinder
Body is provided centrally with the cylindrical hole that can be connected with connecting hole, and the cylinder is three, and three cylinders are located at
On three apex angles of equilateral triangle.
4. according to any connection structure in claims 1 to 3, it is characterised in that：It is provided in the middle part of the stator (3)
Through-hole is connected, compartment of terrain extends inwardly support arm (31), the end of the support arm (31) on the inner wall of the connection through-hole
Being formed can pass through the location hole (32) of rotor (5), the stator (3) to be arranged in position-limited rack, and the position-limited rack is fixed on holder
(2) in, the stator coil (4) is wrapped on the corresponding position-limited rack of support arm (31), and it is fixed that prevention is provided on the position-limited rack
The stator coil baffle (33) that subcoil (4) is contacted with rotor (5).
5. connection structure according to claim 4, it is characterised in that：The top of the position-limited rack is provided with insert rack (34),
The top of the insert rack (34) is provided with slot, and the conductive insert (6) is plugged in slot in which can shirk, the stator coil
(4) end is connected across insert rack (34) with conductive insert (6).
6. connection structure according to claim 5, it is characterised in that：The position-limited rack includes upper frame (35) and lower frame
(36), the insert rack (34) is arranged on the top surface of upper frame (35), and being provided on the bottom surface of the lower frame (36) can wind
Conducting wire prevents the wrapping post (37) that stator coil (4) loosens, stator (3) setting right in upper frame (35) and lower frame (36)
It closes in the position-limited rack formed.
7. connection structure according to claim 4, it is characterised in that：The rotor (5) passes through shaft (51) and fan blade
(7) transmission is connected, and the fan blade (7) includes upper plate (71), lower plate (72) and be arranged at intervals on upper plate (71) and
Blade (73) between lower plate (72) is provided with disk body through-hole (74), the upper plate in the middle part of the lower plate (72)
(71) it is connected with the lower end of rotor, disk body through-hole (74) phase in the gap formed between adjacent blades (73) and lower plate (72)
Connection.
8. connection structure according to claim 7, it is characterised in that：It is arranged on the outside support end face of fan blade peripheral surface
Have and determine impeller (8), the flow deflector (81) for directing air to blade (73), institute are arranged at intervals on the side for determining impeller (8)
The bottom for stating holder (2) is provided with connection boss (28), and the inner wall for determining impeller (8) is buckled on connection boss (28), institute
The bottom for stating holder (2) is provided with motor housing (9) in which can shirk, and the bottom of the motor housing (9) is provided with connection motor
Intercommunicating pore inside and outside cover body, it is described to determine impeller (8) and fan blade (7) and be arranged in motor housing (9) inner cavity on intercommunicating pore top.
9. connection structure according to claim 7, it is characterised in that：The holder (2) includes upper bracket and lower bracket, institute
It states upper bracket mutually to fix by bolt with lower bracket, the stator holding is between upper bracket and lower bracket, the driving plate (1)
It is connected on the top surface of upper bracket, cavity (21) is respectively arranged on the bottom surface of the upper bracket and the top surface of lower bracket under
Cavity (22), is respectively arranged with upper bearing (metal) (23) and lower bearing (24) in the upper cavity (21) and lower cavity (22), described turn
One end of axis (51) is inserted into upper bearing (metal) (23), the other end of the shaft (51) pass through lower bearing (24) and lower cavity (22) and
Stretch out lower bracket.
10. connection structure according to claim 7, it is characterised in that：It is provided with stopper protrusion (52) in the middle part of shaft, it is described
The end face of rotor (5) contacts in stopper protrusion (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721785320.8U CN207652246U (en) | 2017-12-19 | 2017-12-19 | The driving plate of DC brushless motor and the connection structure of stator coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721785320.8U CN207652246U (en) | 2017-12-19 | 2017-12-19 | The driving plate of DC brushless motor and the connection structure of stator coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207652246U true CN207652246U (en) | 2018-07-24 |
Family
ID=62877360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721785320.8U Active CN207652246U (en) | 2017-12-19 | 2017-12-19 | The driving plate of DC brushless motor and the connection structure of stator coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207652246U (en) |
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2017
- 2017-12-19 CN CN201721785320.8U patent/CN207652246U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 9 Chenguang Road, Gaoting Town, Daishan County, Zhoushan City, Zhejiang Province, 316200 Patentee after: Zhoushan Chenguang Motor Co.,Ltd. Address before: 316200 langjizhu Industrial Economic Development Zone, Daishan County, Zhoushan City, Zhejiang Province Patentee before: ZHOUSHAN CHENGUANG ELECTRIC APPLIANCE Co.,Ltd. |