CN2208753Y - Air cooling motor - Google Patents
Air cooling motor Download PDFInfo
- Publication number
- CN2208753Y CN2208753Y CN 94200965 CN94200965U CN2208753Y CN 2208753 Y CN2208753 Y CN 2208753Y CN 94200965 CN94200965 CN 94200965 CN 94200965 U CN94200965 U CN 94200965U CN 2208753 Y CN2208753 Y CN 2208753Y
- Authority
- CN
- China
- Prior art keywords
- blade
- termination
- armature
- fan
- described motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to an air cooling motor, the fan 6 on one end 4 of the armature 3 of a motor comprises an annular portion 7 which is formed by thermoplastic film, and the annular portion 7 is integrally formed with blades (8, 9) which are supported on the annular portion 7. The blades are axially aligned with the air outlet 15 on the side wall 14 on a motor casing 10. The blade is connected with an annular cover plate 16 on the side of opposite to the armature 3.
Description
The utility model relates to a kind of motor that is used for during operation air being taken out the interior cooling fan of motor that is equipped with.
Conventional air cooled motor comprises a stator, rotor with commutator of an armature and a termination setting of a contiguous armature, one have one on this termination that is connected to armature ring portion part and be connected to this ring portion part and go up axially and the fan of the fan blade that radially outward stretches from this ring portion part, with one surround stator and have an end wall that is formed with air inlet on it in another termination of its contiguous armature and position at contiguous commutator is formed with the shell of the sidewall of air outlet.
The motor of even now can turn round when testing on testing stand satisfactorily, but when driving these assemblies in they are contained in assembly, just flowing freely of cooling air is restricted, and cooling air flow sharply reduces.
The purpose of this utility model is to provide a kind of part at least to dwindle this shortcoming and improve and is located at the interior fan of this motor so that the motor of more effective cooling to be provided under rough sledding.
The purpose of this utility model realizes by a ring-type cover plate that is connected on the fan blade on a side of the armature dorsad of fan is set for fan.
Just can improve cooling air flowing under the situation of non-the best by these simple means by motor.
Therefore, according to the utility model, a kind of motor is provided, this motor comprises a fan, this fan has the ring portion part on the position of a contiguous commutator in termination that is connected to armature, with be connected to this ring portion part and go up axially and radially outward stretch with the fan blade of air-out radially of the air outlet on the position of the contiguous commutator of axial suction air of air inlet on the end wall of another termination of the contiguous armature by being located at shell and the sidewall by being located at shell from this ring portion part, wherein, there is a ring-type cover plate to be connected on the fan blade in a side of the armature dorsad of fan.
According to conventional structure, armature have a plurality of on periphery by the separated armature pole in the slit of axial stretching, extension, the excitation wire snare is on armature pole and be connected to commutator and connect on the tongue and have and axially stretch out the end part of crossing the armature termination.
In a preferred embodiment, fan blade be included on the angle with stream connect first blade of tongue alignment and inwardly stretch diametrically than first blade farther second blade.The result is that the interior part of first blade can not hinder magnet exciting coil and connects being connected between the tongue with commutator.Similarly, ring portion part can be in the axial direction stretched from this termination of armature fan blade is arranged to leave in the axial direction end part of this termination that axially stretching out of magnet exciting coil cross armature.
On ring portion part, be provided with in the slit of axial stretching, extension of at least one armature of packing into with ring portion part with respect to the lug armature location, that axially stretch.Each such lug is preferably with the slot engagement of interference engagement with this lug of packing into.
Ring portion part of fan and fan blade be the molded structure of thermoplastics preferably, has at least in the blade to be formed with above two to have the axially outstanding axial stretching, extension pillar of crossing the termination of blade on it; On the ring-type cover plate, be formed with the hole of the termination that holds pillar; The termination of pillar engages with cover plate and the cover plate clamping is in place.
This at least one pillar is formed with a termination transversely deforming that helps pillar is fixed on the axial stretching, extension in the hole of the termination that holds pillar of ring-type cover plate with the termination with pillar depression on the termination.
Each fan blade is preferably in dorsad that a side of ring portion part has a straight flange, this straight flange perpendicular to the axial line of ring portion part and with the annular cover chip bonding.
For fear of whistling takes place, air outlet can be separated setting regularly around the sidewall of shell, and the number of fan blade can be followed a multiple difference of the number of gas outlet.Or the circumference spacing between a pair of adjacent fan blade can be different from least another to the circumference spacing between the adjacent fan blade.In a situation after this, the circumference spacing between the every pair of adjacent fan blade can be different from every another to the circumference spacing between the adjacent fan blade.
Fan blade is preferably separated setting around ring portion part regularly, and the circumference spacing between a pair of adjacent air outlet is different from least another to the circumference spacing between the adjacent air outlet.In a situation after this, the circumference spacing between the every pair of adjacent air outlet preferably be different from every another to the circumference spacing between the adjacent air outlet.
Motor of the present utility model will be described as example below in conjunction with the accompanying drawings.In the accompanying drawings:
Fig. 1 is vertical schematic sectional view that the motor of interior cooling fan of the present utility model is housed;
Fig. 2 is the cross-sectional end-view of seeing along the cutting line II-II among Fig. 1;
Fig. 3 is the end-view that installs to the fan on Fig. 1 and the motor shown in Figure 2;
Fig. 4 is the cutaway view of seeing along the cutting line IV-IV among Fig. 3;
Fig. 5 and Fig. 6 are respectively the end-views of two component parts of Fig. 3 and fan shown in Figure 4;
Fig. 7 is the cutaway view of the component parts shown in Figure 6 seen along the cutting line VII-VII among Fig. 6;
Fig. 8 to Figure 11 is the detail drawing that the CONSTRUCTED SPECIFICATION of Fig. 5 and component parts shown in Figure 6 is shown.
The stator 1 of Fig. 1 and motor shown in Figure 2 comprises and is installed in a magnet 26 in the shell 10 that end cap 27 is housed.Rotor 2 comprise be contained in one be bearing in the closed end wall 11 that is contained in shell 10 respectively with end cap 27 in bearing 29 and 30 on spools 28 on armature 3 and commutator 5.By with flexible brush arm 32 with carbon brush 31 commutator 5 that reclining.Air inlet 13 is formed on the end wall 11 of shell 10, and air outlet 15 is formed on the sidewall 14 of shell 10.Rotor 2 also comprises a fan 6 with the air outlet alignment on a termination 4 of armature 3.
As shown in Figure 2, each first fan blade 8 connects tongue 17 alignment with a commutator on angle.Each connects tongue 17 and therefore separates setting with first fan blade 8 of adjacency diametrically, thereby has avoided occurring hindering when connecing on the tongue 17 in that the armature winding (not shown) is connected to.
As shown in Figure 3 and Figure 4, fan comprises one with first and second fan blade 8 and 9 integrally moulded thermoplastics ring portion part 7 and ring-type cover plates 16 of preferably going out from a slice phenolic materials that come out.
As shown in Figure 5, be formed with the hole 20 that setting is separated on three isogonism ground on the cover plate 16, these holes are used to hold the outer end 19 of pillar 18.Can be clear that more that from Fig. 6 and Fig. 7 pillar 18 is integrally formed in three isogonism ground and separates on second fan blade 9 of setting.Each fan blade 8 and 9 has a straight flange 22 in a side of ring portion part 7 dorsad, and this straight flange engages perpendicular to the axial line of ring portion part 7 and with ring-type cover plate 16.
As Fig. 4 and shown in Figure 7, thermoplastics ring portion part 7 of fan 6 is provided with three lugs 25 that axially stretch, and these lugs 25 are contained in the slit 24 that is formed on the axial stretching, extension in the armature 3 with interference engagement respectively. Fan blade 8 and 9 is formed on the opposite side of ring portion part 7, and fan blade 8 and 9 is not collided with the armature winding (not shown).
Shown in Fig. 8 to 11, first fan blade 8 and second fan blade 9 are integrally formed with ring-shaped edge on an end of ring portion part 7, make of the inner edge alignment of the inner edge of first fan blade 8, and the inner edge of second fan blade 9 is from the radially inwardly stretching, extension of inner edge of this ring-shaped edge with this ring-shaped edge.
Shown in Figure 10 and 11, exceed fan blade 8 and 9 so that the termination 19 that is accommodated in the hole 20 that is formed on the ring-type cover plate 16 to be provided with three second fan blade, 9 integrally formed pillars 18 axial stretching, extensions.It is in place with 16 clampings of ring-type cover plate with termination 19 transversely deformings in the hole 20 of ring-type cover plate 16 that help pillar 18 to be formed with a depression 21 that axially stretches on the termination 19 of each pillar 18.
Claims (12)
1, a kind of motor, it comprises:
A stator (1);
A rotor (2), this rotor have the commutator (5) of a termination (4) setting of an armature (3) and a contiguous armature (3);
A fan (6), this fan have one on this termination (4) that is connected to armature (3) ring portion part (7) and be connected to this ring portion part (7) and go up axially and the blade (8 and 9) that radially outward stretches from this ring portion part (7); With
A shell (10), this shell surround stator (1) and have an end wall (11) and a sidewall (14) that is formed with air outlet (15) at the position that is close to commutator (5) that is formed with air inlet (13) on it in another termination (12) of its contiguous armature (3);
It is characterized in that,
Fan (6) comprises one at the ring-type cover plate (16) that is connected on the side of the armature dorsad (3) of fan (6) on the fan blade (8 and 9).
2, by the described motor of claim 1, it is characterized in that,
Fan blade (8 and 9) is included on the angle with commutator and connects first blade (8) that tongue (17) align and inwardly stretch to such an extent that compare farther second blade (9) of first blade (8) diametrically.
3, by the described motor of claim 1, it is characterized in that,
Ring portion part (7) of fan (6) and blade (8 and 9) are the molded thermoplastic structural members;
Have at least in the blade (8 and 9) to be formed with above two and have the axially outstanding axial stretching, extension pillar (18) of crossing the termination (19) of blade (8 and 9) on it;
On ring-type cover plate (16), be formed with the hole (20) of the termination (19) that holds pillar (18);
Termination (19) the heel end sheet (16) of pillar (18) engages and cover plate (16) clamping is in place.
4, by the described motor of claim 3, it is characterized in that,
Be formed with a depression (21) that axially stretches on the termination (19) of the pillar of at least one (18), being provided with in termination (19) transversely deforming that is beneficial to pillar (18) is fixed on ring-type cover plate (16) with the termination (19) with pillar (18) with termination (19) transversely deforming with pillar (18) the hole (20) of the termination that holds pillar (18) (19) of this depression (21).
5, by the described motor of claim 1, it is characterized in that,
Each blade (8 and 9) has a straight flange (22) in a side of ring portion part (7) dorsad, and this straight flange (22) engages perpendicular to the axial line of ring portion part (7) and with ring-type cover plate (16).
6, by each described motor in the claim 1 to 5, it is characterized in that,
Air outlet (15) is separated setting regularly round the sidewall (14) of shell (10); And
The number of fan blade (8 and 9) is different with a multiple of the number of air outlet (15).
7, by each described motor in the claim 1 to 5, it is characterized in that,
Circumference spacing between a pair of adjacent fan blade (8 and 9) is different from least another to the circumference spacing between the adjacent fan blade (8 and 9).
8, by the described motor of claim 7, it is characterized in that,
Circumference spacing between every pair of adjacent fan blade (8 and 9) be different from every another to the circumference spacing between the adjacent fans blade (8 and 9).
9, by each described motor in the claim 1 to 5, it is characterized in that,
Fan blade (8 and 9) is separated setting regularly round ring portion part (7); And
Circumference spacing between a pair of adjacent air outlet (15) is different from least another to the circumference spacing between the adjacent air outlet (15).
10, by the described motor of claim 9, it is characterized in that,
Circumference spacing between every pair of adjacent air outlet (15) be different from every another to the circumference spacing between the adjacent air outlet (15).
11, by each described motor in the claim 1 to 5, it is characterized in that,
Armature (3) have a plurality of on circumference the separated armature pole in slit (24) (23) by axial stretching, extension;
Ring portion part (7) is provided with in the slit (24) of axial stretching, extension of at least one armature of packing into (3) with the lug (25) of ring portion part (7) with respect to the axial stretching, extension of armature (3) location.
12, by the described motor of claim 11, it is characterized in that,
Each lug (25) engages with the slit (24) of interference engagement with this lug (25) of packing into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94200965 CN2208753Y (en) | 1994-01-07 | 1994-01-07 | Air cooling motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94200965 CN2208753Y (en) | 1994-01-07 | 1994-01-07 | Air cooling motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2208753Y true CN2208753Y (en) | 1995-09-27 |
Family
ID=33821165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94200965 Expired - Lifetime CN2208753Y (en) | 1994-01-07 | 1994-01-07 | Air cooling motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2208753Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7804208B2 (en) | 2007-12-14 | 2010-09-28 | Hui Wing-Kin | Method and structure for cooling an electric motor |
| WO2012094845A1 (en) * | 2011-01-12 | 2012-07-19 | 奉化市威优特电器有限公司 | Special motor for spray gun |
| CN106329828A (en) * | 2015-07-02 | 2017-01-11 | 周文三 | Heat radiation structure of motor |
| WO2020200629A1 (en) * | 2019-04-04 | 2020-10-08 | Siemens Aktiengesellschaft | Drive unit having a fan unit |
-
1994
- 1994-01-07 CN CN 94200965 patent/CN2208753Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7804208B2 (en) | 2007-12-14 | 2010-09-28 | Hui Wing-Kin | Method and structure for cooling an electric motor |
| WO2012094845A1 (en) * | 2011-01-12 | 2012-07-19 | 奉化市威优特电器有限公司 | Special motor for spray gun |
| CN106329828A (en) * | 2015-07-02 | 2017-01-11 | 周文三 | Heat radiation structure of motor |
| CN106329828B (en) * | 2015-07-02 | 2019-03-29 | 周文三 | Heat radiation structure of motor |
| WO2020200629A1 (en) * | 2019-04-04 | 2020-10-08 | Siemens Aktiengesellschaft | Drive unit having a fan unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |