CN204030851U - A kind of centrifugal wind wheel mounting structure of external rotor electric machine - Google Patents
A kind of centrifugal wind wheel mounting structure of external rotor electric machine Download PDFInfo
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- CN204030851U CN204030851U CN201420401380.5U CN201420401380U CN204030851U CN 204030851 U CN204030851 U CN 204030851U CN 201420401380 U CN201420401380 U CN 201420401380U CN 204030851 U CN204030851 U CN 204030851U
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Abstract
The utility model discloses a kind of centrifugal wind wheel mounting structure of external rotor electric machine, comprise external rotor electric machine and centrifugal wind wheel, described centrifugal wind wheel comprises base plate and some fan blades, some fan blades are circumferentially spaced apart on the outer ledge of base plate, in the middle of base plate, offer through hole, between some fan blades and base plate, be formed for holding the cavity of external rotor electric machine, it is characterized in that: also include hoop body, inwall along through hole, on the end face of base plate, toward cavity the inside, stretch out sleeve, inwall at sleeve circumferentially offers some gaps of extending vertically, external rotor electric machine extend into sleeve the inside, hoop body is nested in sleeve outside sleeve and external rotor electric machine banding is fixed together, this is simple in structure, easy for installation, between external rotor electric machine and centrifugal wind wheel, belong to resilient engagement, solid and reliable, easily operation, production cost is low.
Description
Technical field:
The utility model relates to a kind of centrifugal wind wheel mounting structure of external rotor electric machine.
Background technology:
The centrifugal wind wheel of existing external rotor electric machine mainly comprises two kinds: the first, centrifugation blade is directly welded on to external rotor electric machine outside; The second, at the nested ring flange that is provided with in external rotor electric machine outside, together with by screw, ring flange being fixed on centrifugal wind wheel.But there is separately the deficiency of self in these two kinds of mounting meanss, the first mounting means complex operation, manufacturability is difficult for holding, and reliability is lower, and the second mounting means is not easy to operate, and efficiency of assembling is low, and cost is higher.
Summary of the invention:
The purpose of this utility model is to provide a kind of centrifugal wind wheel mounting structure of external rotor electric machine, and this is simple in structure, easy for installation, between external rotor electric machine and centrifugal wind wheel, belongs to resilient engagement, solid and reliable, easily operation, and production cost is low.
The purpose of this utility model is achieved by following technical proposals.
A kind of centrifugal wind wheel mounting structure of external rotor electric machine, comprise external rotor electric machine and centrifugal wind wheel, described centrifugal wind wheel comprises base plate and some fan blades, some fan blades are circumferentially spaced apart on the outer ledge of base plate, in the middle of base plate, offer through hole, between some fan blades and base plate, be formed for holding the cavity of external rotor electric machine, it is characterized in that: also include hoop body, inwall along through hole, on the end face of base plate, toward cavity the inside, stretch out sleeve, inwall at sleeve circumferentially offers some gaps, external rotor electric machine extend into sleeve the inside, hoop body is nested in sleeve outside sleeve and external rotor electric machine banding is fixed together.
External rotor electric machine described above comprises base, rotating shaft, stator and external rotor, in the middle of base, be extended with receiver, receiver two ends are provided with bearing chamber, bearing is installed in bearing chamber the inside, rotating shaft is positioned at receiver the inside and two supports on bearing, stator sleeve is contained in receiver outside, external rotor is provided with installing hole in the middle of bottom, roller end is arranged on installing hole the inside, external rotor is nested in stator outside, base is positioned at cavity outside, and external rotor is sleeved on sleeve the inside, and hoop body is nested in sleeve outside sleeve and external rotor banding are fixed together.
External rotor outer wall described above is provided with ring-shaped step, and sleeve ends forms installation step toward inner side bending, and installation step and ring-shaped step cooperatively interact and be installed together.
Sleeve outer wall described above is provided with some buckles, and buckle is fixed on hoop body on the end face of installation step.
On the bottom surface of external rotor described above, be provided with some ends step, some fixture blocks are stretched out in the end of sleeve toward inner side, and fixture block fastening is on the step of end.
On the inwall of sleeve described above, be provided with some reinforcements.
Hoop body described above adopts metal material manufacture to form, hoop body be ring-type and be with jagged.
The utility model compared with prior art, has following effect:
1) along the inwall of through hole, stretch out sleeve on the end face of base plate toward cavity the inside, inwall at sleeve circumferentially offers some gaps of extending vertically, external rotor electric machine extend into sleeve the inside, hoop body is nested in sleeve outside sleeve and external rotor electric machine banding is fixed together, certain elastic reaction is played in gap, external rotor electric machine and centrifugal wind wheel resilient engagement are installed together, install more firm, and only need to just can realize the installation between external rotor electric machine and centrifugal wind wheel by hoop body, easily operation, production cost is low;
2) external rotor outer wall is provided with ring-shaped step, and sleeve ends forms installation step toward inner side bending, and installation step and ring-shaped step cooperatively interact and be installed together, and location and installation is simple, efficiency is high;
3) sleeve outer wall is provided with some buckles, and buckle is fixed on hoop body on the end face of installation step, simple in structure, easy for installation, firm;
4) on the bottom surface of external rotor, be provided with some ends step, some fixture blocks are stretched out in the end of sleeve toward inner side, and fixture block fastening is on the step of end, simple in structure, install firmly, and reliability is high;
5) on the inwall of sleeve, be provided with some reinforcements, strengthen the adhesion between external rotor electric machine and centrifugal wind wheel;
6) hoop body adopts metal material manufacture to form, hoop body be ring-type and be with jaggedly, hoop body has good elasticity, can better external rotor electric machine and sleeve banding be fixed together.
Accompanying drawing explanation:
Fig. 1 is stereogram of the present utility model;
Fig. 2 is exploded view of the present utility model;
Fig. 3 is vertical view of the present utility model;
Fig. 4 is A-A cutaway view in Fig. 3;
Fig. 5 is B-B partial enlarged drawing in Fig. 4;
Fig. 6 is C-C partial enlarged drawing in Fig. 4.
Embodiment:
Below by specific embodiment, also by reference to the accompanying drawings the utility model is described in further detail.
Embodiment mono-: as shown in Figures 1 to 6, the utility model is a kind of centrifugal wind wheel mounting structure of external rotor electric machine, comprise external rotor electric machine 1 and centrifugal wind wheel 2, described centrifugal wind wheel 2 comprises base plate 21 and some fan blades 22, some fan blades 22 are circumferentially spaced apart on the outer ledge of base plate 21, in the middle of base plate 21, offer through hole 210, between some fan blades 22 and base plate 21, be formed for holding the cavity 23 of external rotor electric machine 1, inwall along through hole 210, on the end face of base plate 21, toward cavity 23 the insides, stretch out sleeve 24, inwall at sleeve 24 circumferentially offers some gaps 240 of extending vertically, external rotor electric machine 1 is sleeved on sleeve 24 the insides, hoop body 3 is nested in sleeve 24 outsides sleeve 24 and external rotor electric machine 1 banding is fixed together.Described external rotor electric machine 1 comprises base 11, rotating shaft 12, stator 13 and external rotor 14, in the middle of base 11, be extended with receiver 111, receiver 111 two ends are provided with bearing chamber, bearing 15 is installed in bearing chamber the inside, rotating shaft 12 is positioned at receiver 111 the insides and two supports on bearing 15, stator 13 is sleeved on receiver 111 outsides, external rotor is provided with installing hole 140 in the middle of 14 bottoms, rotating shaft 12 ends are arranged on installing hole 140 the insides, external rotor 14 is nested in stator 13 outsides, base 11 is positioned at cavity 23 outsides, external rotor 14 extend into sleeve 24 the insides, hoop body 3 is nested in sleeve outside sleeve 24 and external rotor 14 bandings is fixed together.At external rotor 14 outer walls, be provided with ring-shaped step 141, sleeve 24 ends form installation step 241 toward inner side bending, and installation step 241 cooperatively interacts and is installed together with ring-shaped step 141.At sleeve 24 outer walls, be provided with some buckles 242, buckle 242 is fixed on hoop body 3 on the end face of installation step 241.On the bottom surface of external rotor 14, be provided with some ends step 142, some fixture blocks 243 are stretched out in the end of sleeve 24 toward inner side, and fixture block 243 fastenings are on end step 142.On the inwall of sleeve 24, be provided with some reinforcements 244.Hoop body 3 adopts metal material manufactures to form, hoop body 3 be ring-type and be with jagged 31.
Claims (7)
1. the centrifugal wind wheel mounting structure of an external rotor electric machine, comprise external rotor electric machine (1) and centrifugal wind wheel (2), described centrifugal wind wheel (2) comprises base plate (21) and some fan blades (22), some fan blades (22) are circumferentially spaced apart on the outer ledge of base plate (21), in the middle of base plate (21), offer through hole (210), between some fan blades (22) and base plate (21), be formed for holding the cavity (23) of external rotor electric machine (1), it is characterized in that: also include hoop body (3), inwall along through hole (210), on the end face of base plate (21), toward cavity (23) the inside, stretch out sleeve (24), inwall at sleeve (24) circumferentially offers some gaps (240), external rotor electric machine (1) is sleeved on sleeve (24) the inside, hoop body (3) is nested in sleeve (24) outside sleeve (24) and external rotor electric machine (1) banding is fixed together.
2. the centrifugal wind wheel mounting structure of a kind of external rotor electric machine according to claim 1, it is characterized in that: described external rotor electric machine (1) comprises base (11), rotating shaft (12), stator (13) and external rotor (14), in the middle of base (11), be extended with receiver (111), receiver (111) two ends are provided with bearing chamber, bearing (15) is installed in bearing chamber the inside, rotating shaft (12) is positioned at receiver (111) the inside and two supports on bearing (15), stator (13) is sleeved on receiver (111) outside, external rotor (14) is provided with installing hole (140) in the middle of bottom, rotating shaft (12) end is arranged on installing hole (140) the inside, external rotor (14) is nested in stator (13) outside, base (11) is positioned at cavity (23) outside, external rotor (14) extend into sleeve (24) the inside, hoop body (3) is nested in sleeve outside sleeve (24) and external rotor (14) banding is fixed together.
3. the centrifugal wind wheel mounting structure of a kind of external rotor electric machine according to claim 2, it is characterized in that: at external rotor (14) outer wall, be provided with ring-shaped step (141), sleeve (24) end forms installation step (241) toward inner side bending, and installation step (241) cooperatively interacts and is installed together with ring-shaped step (141).
4. the centrifugal wind wheel mounting structure of a kind of external rotor electric machine according to claim 3, it is characterized in that: at sleeve (24) outer wall, be provided with some buckles (242), buckle (242) is fixed on hoop body (3) on the end face of installation step (241).
5. according to the centrifugal wind wheel mounting structure of a kind of external rotor electric machine described in claim 2 or 3 or 4, it is characterized in that: on the bottom surface of external rotor (14), be provided with some ends steps (142), some fixture blocks (243) are stretched out in the end of sleeve (24) toward inner side, fixture block (243) fastening is on end step (142).
6. the centrifugal wind wheel mounting structure of a kind of external rotor electric machine according to claim 5, is characterized in that: on the inwall of sleeve (24), be provided with some reinforcements (244).
7. according to the centrifugal wind wheel mounting structure of a kind of external rotor electric machine described in claim 1 or 2 or 3 or 4, it is characterized in that: hoop body (3) adopts metal material manufacture to form, hoop body (3) be ring-type and be with jagged (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401380.5U CN204030851U (en) | 2014-07-18 | 2014-07-18 | A kind of centrifugal wind wheel mounting structure of external rotor electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401380.5U CN204030851U (en) | 2014-07-18 | 2014-07-18 | A kind of centrifugal wind wheel mounting structure of external rotor electric machine |
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| Publication Number | Publication Date |
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| CN204030851U true CN204030851U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420401380.5U Active CN204030851U (en) | 2014-07-18 | 2014-07-18 | A kind of centrifugal wind wheel mounting structure of external rotor electric machine |
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| CN (1) | CN204030851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167233A (en) * | 2018-02-05 | 2018-06-15 | 中山大洋电机股份有限公司 | A kind of mounting structure of tubular wine wheel and motor |
-
2014
- 2014-07-18 CN CN201420401380.5U patent/CN204030851U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167233A (en) * | 2018-02-05 | 2018-06-15 | 中山大洋电机股份有限公司 | A kind of mounting structure of tubular wine wheel and motor |
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