CN207994845U - Supporting structure in DC brushless motor - Google Patents
Supporting structure in DC brushless motor Download PDFInfo
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- CN207994845U CN207994845U CN201721784708.6U CN201721784708U CN207994845U CN 207994845 U CN207994845 U CN 207994845U CN 201721784708 U CN201721784708 U CN 201721784708U CN 207994845 U CN207994845 U CN 207994845U
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- stator
- coil
- bracket
- supporting structure
- limited rack
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- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 229910000976 Electrical steel Inorganic materials 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
- 238000001816 cooling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 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
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A kind of supporting structure in DC brushless motor, it include the holder for fixed stator, stator is arranged in position-limited rack, position-limited rack is fixed in holder, coil is equipped on position-limited rack, the top of position-limited rack is provided with insert rack, and the conductive insert being connected with circuit control panel, the coil, circuit control panel and electric power generating composition circuit are plugged in insert rack with capable of shirking.The utility model has the advantage of：Circuit control panel is plugged on stator, is shirked conveniently, is inserted into fixing-stable after position-limited rack, circuit control panel is thrown away during avoiding motor movement, and using effect is good；Circuit control panel connect compact with stator, it occupies little space, facilitate and makes small motor, coil is nested on support arm, is not easy to loosen, and the position of coil more can be further limited by coil baffle, power output is more stable, using effect is more preferable, and coil less occupies the rack space in addition to stator, keeps brushless motor structure more compact.
Description
Technical field
The utility model is related to a kind of motor manufacture technology field, a kind of especially holder knot in DC brushless motor
Structure.
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
Supporting structure in motor, this supporting structure have it is compact-sized, it is small, the excellent of motor control panel and fixation can be fixed
Point.
Technical solution is used by the utility model solves above-mentioned technical problem：Holder knot in this DC brushless motor
Structure includes the holder for fixed stator, it is characterised in that：The stator is arranged in position-limited rack, and the position-limited rack is fixed on
In holder, coil is equipped on the position-limited rack, the top of the position-limited rack is provided with insert rack, is inserted with capable of shirking in the insert rack
It is equipped with the conductive insert being connected with circuit control panel, the coil, circuit control panel and electric power generating composition circuit.
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 and is provided with slot at the top of insert rack, the lower part of the conductive insert is provided with plug division, and the plug division is planted in which can shirk
In slot, the stator is arranged in the position-limited rack that upper frame and lower frame are combined to form.
It is further improved, the wrapping post that conducting wire prevents coil from loosening can be wound by being provided on the bottom surface of the lower frame.
As an improvement, being provided with connection through-hole in the middle part of the stator, compartment of terrain is inside on the inner wall of the connection through-hole
Extend support arm, the end of the support arm forms the location hole that can pass through rotor, and the coil is nested with and is corresponded in support arm
Position-limited rack on, be provided on the position-limited rack and prevent the coil baffle that is contacted with rotor of coil.
It is further improved, the rotor is fixedly arranged in the middle of shaft, and one end of the shaft passes through end face and the fan blade of holder
Wheel transmission is connected, and the fan blade includes upper plate, lower plate and the blade being arranged at intervals between upper plate and lower plate,
Disk body through-hole is provided in the middle part of the lower plate, the upper plate is connected with shaft, the gap formed between adjacent blades
It is connected with the disk body through-hole of lower plate.
It is further improved, is provided on the outside support end face of fan blade peripheral surface and determines impeller, the side for determining impeller
On be arranged at intervals with the flow deflector for directing air to blade, the bottom of the holder is provided with connection boss, described to determine impeller
Inner wall is buckled on connection boss, and the bottom of the holder is provided with motor housing, the bottom of the motor housing in which can shirk
The intercommunicating pore being provided with inside and outside connection motor housing, it is described determine impeller and fan blade is arranged in the motor housing on intercommunicating pore top
In chamber.
It is further improved, the holder includes upper bracket and lower bracket, and the upper bracket is mutually solid by bolt with lower bracket
Fixed, between upper bracket and lower bracket, the circuit control panel is connected on the top surface of upper bracket for the stator holding, it is described on
Cavity and lower cavity are respectively arranged on the bottom surface of holder and the top surface of lower bracket, the upper cavity is set respectively with lower cavity
It is equipped with upper bearing (metal) and lower bearing, one end of the shaft is inserted into upper bearing (metal), and the other end of the shaft passes through lower bearing under
Cavity and stretch out lower bracket.
It is further improved, the periphery of the upper bracket is arranged at intervals with upper convex portion, the company of being provided at the top of the lower bracket
Bulge loop is connect, is correspondingly arranged on lower protrusion on the inner wall of the connection bulge loop, the upper surface of the stator contacts at the bottom of upper convex portion
Face, the lower surface of the stator are contacted in the top surface of lower protrusion, for connect the bolt of upper bracket and lower bracket by upper convex portion with
Lower protrusion is plugged in together.
It is further improved, limiting groove is provided on the side wall of the stator, to the spiral shell of fixed upper bracket and lower bracket
The body of rod holding of bolt is in limiting groove.
It is further improved, is provided with positive stop lug boss in the middle part of shaft, the end face of the rotor contacts on positive stop lug boss.
Compared with prior art, the utility model has the advantage of：Circuit control panel is plugged on stator, is shirked conveniently,
Fixing-stable after insertion position-limited rack, circuit control panel is thrown away during avoiding motor movement, and using effect is good；Circuit control panel with
Stator connection is compact, occupies little space, and facilitates and makes small motor；Coil is nested on support arm, is not easy to loosen, more may be used
Further to limit the position of coil by coil baffle, power output is more stable, and using effect is more preferable；And coil is less
The rack space in addition to stator is occupied, keeps brushless motor structure more compact；The connection through-hole of also stator can mitigate fixed
The weight of son, and then mitigate the weight of brushless motor, reduce making, transportation cost；Holder is divided into upper bracket and lower bracket, stator
It is arranged between upper bracket and lower bracket, circuit control panel is located on upper bracket top surface, and upper bracket has separated stator and circuit control
Making sheet is nested with the coil on stator with circuit control panel apart from farther out, and influence when coil is powered to circuit control panel weakens,
Ensure that circuit control panel works normally；Positive stop lug boss is provided in the middle part of shaft, rotor can be contacted easily on positive stop lug boss,
Stable connection is conducive to the smooth rotation of rotor；The both ends of shaft are equipped with bearing, and bearing can reduce between shaft and holder
Abrasion, extend the service life of shaft；Determining impeller can guide air-flow to be flowed in one direction to fan blade side, contribute to
The flowing velocity that whirlpool accelerates air-flow is formed around fan blade, flow deflector can stop that particulate matter enters fan blade, reduces impurity
Influence, extend the service life of fan blade, determine impeller be arranged with capable of shirking connection boss on be replaced and cleaned convenience；Fan blade energy
Air themperature in motor housing is effectively reduced, plays the role of cooling motor and slows down motor heating；Blade be fixed on upper plate with
Between lower plate, upper plate and lower wall physical efficiency reinforced blade improve the intensity of fan blade, more sturdy and durable；Upper plate with turn
Axis is connected, connection area bigger, and connection is more stable, it is ensured that fan blade smooth rotation, using effect are more preferable；In lower plate
Portion is provided with disk body through-hole, and the air-flow that fan blade is entered from fan blade side can be discharged from disk body through-hole, in fan blade
Upper and lower air-flow or water circulation are formed at lower part, improve the working efficiency of motor.
Description of the drawings
Fig. 1 is the application state 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 supporting structure in the DC brushless motor of the present embodiment, including it is used for fixed stator 3
Holder 2, the stator 3 be arranged in position-limited rack, the position-limited rack is fixed in holder 2, is nested on the position-limited rack wired
Circle 4, the top of the position-limited rack is provided with insert rack 34, is plugged with capable of shirking in the insert rack 34 and is connected with circuit control panel 1
The conductive insert 6 connect, the coil 4, circuit control panel 1 and electric power generating composition circuit.The position-limited rack includes upper frame 35 under
Frame body 36, the insert rack 34 are arranged on the top surface of upper frame 35, and the top of the insert rack 34 is provided with slot, described conductive slotting
The lower part of piece 6 is provided with plug division 61, and the plug division 61 is plugged in slot in which can shirk, and the stator 3 is arranged in restocking
In the position-limited rack that body 35 is combined to form with lower frame 36.Conducting wire can be wound by, which being provided on the bottom surface of the lower frame 36, prevents coil
4 wrapping posts 37 loosened.The middle part of the stator 3 is provided with connection through-hole, and compartment of terrain is inside on the inner wall of the connection through-hole
Extend support arm 31, the end of the support arm 31 forms the location hole 32 that can pass through rotor 5, and the coil 4, which is nested with, to be propped up
On 31 corresponding position-limited rack of brace, the coil baffle 33 for preventing coil 4 from being contacted with rotor 5 is provided on the position-limited rack.It is described
Rotor 5 is fixedly arranged in the middle of shaft 51, and one end of the shaft 51 passes through the end face of holder 2 to be connected with the transmission of fan blade 7, described
Fan blade 7 includes upper plate 71, lower plate 72 and the blade 73 being arranged at intervals between upper plate 71 and lower plate 72, under described
The middle part of disk body 72 is provided with disk body through-hole 74, and the upper plate 71 is connected with shaft 51, is formed between adjacent blades 73
Gap is connected with the disk body through-hole 74 of lower plate 72.It is provided on the outside support end face of fan blade peripheral surface and determines impeller 8, institute
The flow deflector 81 for being arranged at intervals on the side for determining impeller 8 and directing air to blade 73 is stated, the bottom of the holder 2 is provided with company
Boss 28 is connect, the inner wall for determining impeller 8 is buckled on connection boss 28, and the bottom of the holder 2 is provided with electricity with capable of shirking
Bonnet body 9, the bottom of the motor housing 9 is provided with the intercommunicating pore inside and outside connection motor housing, described to determine impeller 8 and fan blade
5 are arranged in 9 inner cavity of motor housing on intercommunicating pore top.The holder 2 includes upper bracket and lower bracket, and the upper bracket is under
Holder is mutually fixed by bolt, and between upper bracket and lower bracket, the circuit control panel 1 is connected to 3 holding of the stator
On the top surface of holder, cavity 21 and lower cavity 22, institute are respectively arranged on the bottom surface of the upper bracket and the top surface of lower bracket
It states and is respectively arranged with upper bearing (metal) 23 and lower bearing 24 in cavity 21 and lower cavity 22, upper bearing (metal) is inserted into one end of the shaft 51
In 23, the other end of the shaft 51 stretches out lower bracket across lower bearing 24 and lower cavity 22.Between the periphery of the upper bracket
Every being provided with upper convex portion 25, it is provided with connection bulge loop at the top of the lower bracket, is correspondingly arranged on the inner wall of the connection bulge loop
There are lower protrusion 26, the upper surface of the stator to contact in the bottom surface of upper convex portion 25, the lower surface of the stator is contacted in lower protrusion
Upper convex portion 25 and lower protrusion 26 are plugged in together by 26 top surface, the bolt for connecting upper bracket and lower bracket.The stator
Side wall on be provided with limiting groove 38, to fixed upper bracket and the bolt of lower bracket body of rod holding in limiting groove 38
In.It is provided with positive stop lug boss 52 in the middle part of shaft, the end face of the rotor 5 contacts on positive stop lug boss 52.On circuit control panel 1
6 corresponding position of conductive insert is provided with jack 11, the circuit control panel 1 is by jack 11 and conductive insert 6 weld
It is fixed on above stator.The top of the holder 2 is provided with lug boss 27, the company of being provided on the plate body of the circuit control panel 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.
Claims (10)
1. the supporting structure in a kind of DC brushless motor, including it is used for the holder (2) of fixed stator (3), it is characterised in that：Institute
Stator (3) to be stated to be arranged in position-limited rack, the position-limited rack is fixed in holder (2), and coil (4) is equipped on the position-limited rack,
The top of the position-limited rack is provided with insert rack (34), is plugged with capable of shirking in the insert rack (34) and circuit control panel (1) phase
The conductive insert (6) of connection, the coil (4), circuit control panel (1) and electric power generating composition circuit.
2. supporting structure according to claim 1, 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 slot is provided at the top of the insert rack (34), described to lead
The lower part of electric mortiser piece (6) is provided with plug division (61), and the plug division (61) is plugged in slot in which can shirk, the stator
(3) setting is in the position-limited rack that upper frame (35) and lower frame (36) are combined to form.
3. supporting structure according to claim 2, it is characterised in that：It is provided with and can twine on the bottom surface of the lower frame (36)
The wrapping post (37) that coil (4) loosens is prevented around conducting wire.
4. according to any supporting 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
The location hole (32) of rotor (5) can be passed through by being formed, and the coil (4) is nested on the corresponding position-limited rack of support arm (31), described
The coil baffle (33) for preventing coil (4) from being contacted with rotor (5) is provided on position-limited rack.
5. supporting structure according to claim 4, it is characterised in that：The rotor (5) is fixedly arranged in the middle of shaft (51), institute
The one end for stating shaft (51) passes through the end face of holder (2) to be connected with fan blade (7) transmission, and the fan blade (7) includes upper disk
Body (71), lower plate (72) and the blade (73) being arranged at intervals between upper plate (71) and lower plate (72), the lower plate
(72) disk body through-hole (74) is provided in the middle part of, the upper plate (71) is connected with shaft (51), between adjacent blades (73)
The gap of formation is connected with the disk body through-hole (74) of lower plate (72).
6. supporting structure according to claim 5, 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.
7. supporting structure according to claim 5, 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, stator (3) holding is between upper bracket and lower bracket, the circuit control
Making sheet (1) is connected on the top surface of upper bracket, and cavity is respectively arranged on the bottom surface of the upper bracket and the top surface of lower bracket
(21) with lower cavity (22), upper bearing (metal) (23) and lower bearing are respectively arranged in the upper cavity (21) and lower cavity (22)
(24), one end of the shaft (51) is inserted into upper bearing (metal) (23), the other end of the shaft (51) pass through lower bearing (24) with
Lower cavity (22) and stretch out lower bracket.
8. supporting structure according to claim 7, it is characterised in that：The periphery of the upper bracket is arranged at intervals with upper convex portion
(25), it is provided with connection bulge loop at the top of the lower bracket, lower protrusion (26) is correspondingly arranged on the inner wall of the connection bulge loop,
The upper surface of the stator contacts the bottom surface in upper convex portion (25), and the lower surface of the stator contacts on the top of lower protrusion (26)
Upper convex portion (25) and lower protrusion (26) are plugged in together by face, the bolt for connecting upper bracket and lower bracket.
9. supporting structure according to claim 7, it is characterised in that：It is provided with limiting groove on the side wall of the stator
(38), to fixed upper bracket and the bolt of lower bracket body of rod holding in limiting groove (38).
10. supporting structure according to claim 5, it is characterised in that：It is provided with positive stop lug boss (52) in the middle part of shaft, it is described
The end face of rotor (5) contacts on positive stop lug boss (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721784708.6U CN207994845U (en) | 2017-12-19 | 2017-12-19 | Supporting structure in DC brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721784708.6U CN207994845U (en) | 2017-12-19 | 2017-12-19 | Supporting structure in DC brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207994845U true CN207994845U (en) | 2018-10-19 |
Family
ID=63816931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721784708.6U Active CN207994845U (en) | 2017-12-19 | 2017-12-19 | Supporting structure in DC brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207994845U (en) |
-
2017
- 2017-12-19 CN CN201721784708.6U patent/CN207994845U/en active Active
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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. |