CN201378763Y - Base of fully enclosed out rotor motor - Google Patents
Base of fully enclosed out rotor motor Download PDFInfo
- Publication number
- CN201378763Y CN201378763Y CN200920116905U CN200920116905U CN201378763Y CN 201378763 Y CN201378763 Y CN 201378763Y CN 200920116905 U CN200920116905 U CN 200920116905U CN 200920116905 U CN200920116905 U CN 200920116905U CN 201378763 Y CN201378763 Y CN 201378763Y
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- China
- Prior art keywords
- base
- totally
- electric machine
- external rotor
- rotor electric
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- 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 - Fee Related
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Abstract
The utility model discloses a base of a fully enclosed out rotor motor, which comprises a base of the fully enclosed out rotor motor, a motor shaft, a key, a hollow looking bolt, a connection structure of a protective cover or a junction box and a combination. The base of the fully enclosed out rotor motor is matched with a key groove at one end of the motor shaft through the key to achieve radial torsion; an wire outgoing hole is formed at the center of the motor shaft at the end; threads are arranged in the wire outgoing hole; the hollow locking bolt is matched with the threads in the wire outgoing hole at the end; the motor shaft and the base of the fully enclosed out rotor motor are radially and tightly locked to enable the motor shaft and the base of the fully enclosed out rotor motor to be connected into a whole; an interface is formed at the bottom part of the base of the fully enclosed out rotor motor and is matched with the interfaces of the protective cover and the junction box so as to achieve closeness and prevent liquid matters from entering from the wire outgoing hole of the motor shaft.
Description
Technical field
The utility model relates to a kind of totally enclosed external rotor electric machine of technical field of motors.
Background technology
Present totally enclosed external rotor electric machine adopts as patent CN200983523Y, CN 201032701Y and the described structure of CN201146424Y, the base of totally-enclosed external rotor electric machine or be made of one with motor shaft, shown in patent CN200983523Y, adopt jump ring and key that the base and the motor shaft of totally-enclosed external rotor electric machine are connected as a single entity, shown in patent CN201032701Y, adopt key and axial locking bolt that the base and the motor shaft of totally-enclosed external rotor electric machine are connected as a single entity, shown in patent CN201146424Y.
There is following problem in said structure: as the structure of patent CN200983523Y, the base and the motor shaft of totally-enclosed external rotor electric machine are made of one, though it is simple in structure, but its manufacturability and reliability are bad, when can not guarantee the concentricity of motor stator shortly well, satisfy axle and motor stator adhesion again; As patent CN 201032701Y, adopt jump ring and key that the base and the motor shaft of totally-enclosed external rotor electric machine are connected as a single entity, owing to adopt jump ring carrying axial force, so there is the hypodynamic problem of axial carrying in this structure, when level is installed, can not guarantee the perpendicularity of the base of motor shaft and totally-enclosed external rotor electric machine well simultaneously; Adopt key and axial locking bolt that the base and the motor shaft of totally-enclosed external rotor electric machine are connected as a single entity as patent CN201146424Y, though solved the problem of bond strength of the base of motor shaft and totally-enclosed external rotor electric machine, but the lead-out wire of motor can't be drawn from motor axis hole, make assembly technology and structure complicated, the lead-out wire of above-mentioned all kinds of motors partly fails reliable closed structure is provided simultaneously, has reduced the degree of protection of motor.
Summary of the invention
The purpose of this utility model provides a kind ofly, can overcome the in-problem structure of above-mentioned motor, when guaranteeing structural strength, improve the seal of motor and the degree of protection of motor, the suitable application area of expansion motor, and the production efficiency of motor and rate of finished products are improved.
The utility model is that the technical scheme that its purpose of realization is adopted is: the syndeton that changes the base of motor shaft and totally-enclosed external rotor electric machine, increased hollow clamping screw, at the bottom design interface of the base of totally-enclosed external rotor electric machine, and the protective cover that matches and the interface and the sealing ring of terminal box have been designed.
Described motor shaft, an end have the bearing retaining, and the other end has bearing retaining, the sharp wire hole of keyway, is processed with screw thread in the wire hole, and electric wire is drawn from the wire hole of motor shaft.
The base of described totally-enclosed external rotor electric machine, the endoporus at its center is processed with keyway, cooperates with key in the armature keyway, and centre bore cooperates with the motor shaft cylindrical, and its bottom is processed with the circular ring type interface of projection, is processed with groove in the ring.
Described hollow clamping screw, its center is a through hole, cylindrical is processed with screw thread, with the threaded engagement in the motor shaft wire hole, to be installed in the base axial locking of the totally-enclosed external rotor electric machine on the motor shaft, the end face of the spiral shell head part of hollow clamping screw and the base of totally-enclosed external rotor electric machine is adjacent to, thereby when the level that guaranteed is installed, the perpendicularity of the base of motor shaft and totally-enclosed external rotor electric machine has improved the base bearing capacity of totally-enclosed external rotor electric machine.
The interface of described protective cover, terminal box and sealing ring, the interface cylindrical of protective cover and terminal box has the ring and the groove of a circle projection, the sealing ring of packing in the groove, the ring of projection snaps in the groove in the circular ring type interface of pedestal lobe of totally-enclosed external rotor electric machine, sealing ring cooperates with the annulus of the pedestal lobe of totally-enclosed external rotor electric machine, realizes airtight.
Description of drawings
Fig. 1. be the assembly structure schematic diagram of band protective cover of the present utility model.
Part among the figure: 1, motor shaft; 2, electric wire; 3, key; 4, the base of totally-enclosed external rotor electric machine;
5, hollow clamping screw; 6, sealing ring; 7, protective cover;
Figure 1A. be the assembly structure schematic diagram of band terminal box of the present utility model.
Part among the figure: 1, motor shaft; 2, electric wire; 3, key; 4, the base of totally-enclosed external rotor electric machine;
5, hollow clamping screw; 6, sealing ring; 8, terminal box;
Fig. 2. be motor shaft structural representation of the present utility model.
Among the figure: p, bearing retaining; Q, wire hole; R, bearing retaining; S, keyway; T, screw thread;
Fig. 3. be the understructure schematic diagram of totally-enclosed external rotor electric machine of the present utility model.
Among the figure: a, keyway; B, circular ring type interface; C, groove; D, end face;
Fig. 4. be hollow clamping screw structural representation of the present utility model.
Among the figure: m, screw thread; M, spiral shell head;
Fig. 5. be protective cover structural representation of the present utility model.
Among the figure: the ring of f, projection; G, groove;
Fig. 6. be junction box structure schematic diagram of the present utility model.
Among the figure: the ring of i, projection; J, groove;
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described.
Shown in accompanying drawing 1 and accompanying drawing 1A, motor shaft 1 right side is processed with the wire hole q (seeing accompanying drawing 2) of motor lead-out wire 2, keyway s (seeing accompanying drawing 2); Be processed with screw thread t (seeing accompanying drawing 2) in the wire hole q (seeing accompanying drawing 2); In the keyway s of motor shaft 1 (seeing accompanying drawing 2) key 3 is housed, cooperates, transmit radially moment of torsion with the keyway a (seeing accompanying drawing 4) of the central bore of the base 4 of totally-enclosed external rotor electric machine; Screw thread t (seeing accompanying drawing 2) in the wire hole q (seeing accompanying drawing 2) of hollow clamping screw 5 and motor shaft 1 cooperates, base 4 and motor shaft 1 axial locking with totally-enclosed external rotor electric machine, spiral shell head n (the seeing accompanying drawing 3) part of hollow clamping screw 5 is adjacent to the end face d (seeing accompanying drawing 4) of the base 4 of totally-enclosed external rotor electric machine, increased the faying face of motor shaft 1 and the base 5 of totally-enclosed external rotor electric machine, make the transmission of load force and bear more reasonable; In the protruding circular ring type interface b (seeing accompanying drawing 4) of the bottom of the base 5 of totally-enclosed external rotor electric machine, be processed with groove c (seeing accompanying drawing 4), the ring f of the projection of protective cover 7 interface cylindricals (seeing accompanying drawing 5) cooperates with it, sealing ring 6 is installed in the groove g (seeing accompanying drawing 5) of protective cover 7 interface cylindricals, realizes sealing; Or the ring i of the projection of terminal box 8 interface cylindricals (seeing accompanying drawing 6), cooperate with the groove c (seeing accompanying drawing 4) in the protruding circular ring type interface b (seeing accompanying drawing 4) of the bottom of the base 5 of totally-enclosed external rotor electric machine, sealing ring 6 is installed in the groove j (seeing accompanying drawing 6) of terminal box 8 interface cylindricals, realizes sealing;
Explanation at last: above embodiment only is used to illustrate the utility model, and unrestricted technical scheme described in the utility model, although therefore this specification has been described in detail to the utility model, but be understood that, the utility model is made amendment or is equal to replacement, and do not break away from the scheme and the improvement of spirit and scope of the present utility model, all should cover in claim scope of the present utility model by letter.
Claims (5)
1. the base of a totally-enclosed external rotor electric machine, the base and the motor shaft that comprise totally-enclosed external rotor electric machine, key, hollow clamping screw, the syndeton of protective cover or terminal box and combination, it is characterized in that: interface is arranged at the bottom of the base of described totally-enclosed external rotor electric machine, the base of totally-enclosed external rotor electric machine cooperates by the keyway of key with motor shaft one end, the motor shaft center of this end is processed with wire hole, screw thread is arranged in the wire hole, described hollow clamping screw and motor shaft should be held the threaded engagement in the wire hole, base axial locking with motor shaft and totally-enclosed external rotor electric machine, the base of motor shaft and totally-enclosed external rotor electric machine is connected as a single entity, described protective cover, terminal box has interface, cooperate with the bottom interface of the base of totally-enclosed external rotor electric machine, the sealing ring of packing in the groove of interface is realized airtight.
2. the base of totally-enclosed external rotor electric machine according to claim 1, it is characterized in that: the base of described totally-enclosed external rotor electric machine, the endoporus at its center is processed with keyway, cooperate with the key in the armature keyway, centre bore cooperates with the motor shaft cylindrical, its bottom is processed with the circular ring type interface of projection, is processed with groove in the ring.
3. the base of totally-enclosed external rotor electric machine according to claim 1 is characterized in that: described motor shaft, an end have the bearing retaining, and the other end has bearing retaining, keyway and wire hole, is processed with screw thread in the wire hole, and electric wire is drawn from the wire hole of motor shaft.
4. the base of totally-enclosed external rotor electric machine according to claim 1, it is characterized in that: described hollow clamping screw, its center is that the through hole cylindrical is processed with screw thread, with the threaded engagement in the motor shaft wire hole, the base axial locking of the totally-enclosed external rotor electric machine on the motor shaft will be installed in, the end face of the spiral shell head part of hollow clamping screw and the base of totally-enclosed external rotor electric machine is adjacent to, thereby make the transmission of load force and bear more reasonable, when having guaranteed that level is installed, the perpendicularity of the base of motor shaft and totally-enclosed external rotor electric machine has improved the base bearing capacity of totally-enclosed external rotor electric machine.
5. the base of totally-enclosed external rotor electric machine according to claim 1, it is characterized in that: the interface of described protective cover, terminal box and sealing ring, the interface cylindrical of protective cover and terminal box has the ring and the groove of a circle projection, the sealing ring of packing in the groove, the ring of projection snaps in the groove in the circular ring type interface of pedestal lobe of totally-enclosed external rotor electric machine, sealing ring cooperates with the annulus of the pedestal lobe of totally-enclosed external rotor electric machine, realizes airtight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920116905U CN201378763Y (en) | 2009-03-31 | 2009-03-31 | Base of fully enclosed out rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920116905U CN201378763Y (en) | 2009-03-31 | 2009-03-31 | Base of fully enclosed out rotor motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201378763Y true CN201378763Y (en) | 2010-01-06 |
Family
ID=41518883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920116905U Expired - Fee Related CN201378763Y (en) | 2009-03-31 | 2009-03-31 | Base of fully enclosed out rotor motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201378763Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697053A (en) * | 2013-12-12 | 2014-04-02 | 大连天元电机股份有限公司 | Coil-out inclined hole of 5MW doubly-fed wind generator rotor shaft |
| CN104037709A (en) * | 2014-06-19 | 2014-09-10 | 西安应用光学研究所 | Threading sealing device for limited angle device |
| CN109474109A (en) * | 2019-01-11 | 2019-03-15 | 苏州优德通力科技有限公司 | A kind of closed type outer rotor motor structure |
-
2009
- 2009-03-31 CN CN200920116905U patent/CN201378763Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697053A (en) * | 2013-12-12 | 2014-04-02 | 大连天元电机股份有限公司 | Coil-out inclined hole of 5MW doubly-fed wind generator rotor shaft |
| CN104037709A (en) * | 2014-06-19 | 2014-09-10 | 西安应用光学研究所 | Threading sealing device for limited angle device |
| CN104037709B (en) * | 2014-06-19 | 2016-08-24 | 西安应用光学研究所 | Finite angle equipment thread threading sealing device |
| CN109474109A (en) * | 2019-01-11 | 2019-03-15 | 苏州优德通力科技有限公司 | A kind of closed type outer rotor motor structure |
| CN109474109B (en) * | 2019-01-11 | 2024-03-29 | 苏州优德通力科技有限公司 | Sealed external rotor motor structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WENLING DAYANG ELECTRICAL APPLIANCE FACTORY Free format text: FORMER OWNER: GAO HONGPO Effective date: 20100426 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310016 401, UNIT 2, BUILDING 20, CAIHE 1ST DISTRICT, HANGZHOU CITY, ZHEJIANG PROVINCE TO: 317515 LIN AO INDUSTRY DISTRICT, CHENGNAN TOWN, WENLING CITY, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100426 Address after: 317515 Lin Ao Industrial Zone, Chengnan Town, Wenling City, Zhejiang Patentee after: DAYANG ELECTRIC APPLIANCES FACTORY Address before: Hangzhou City, Zhejiang province 310016 Caihe a district 20 building 2 unit 401 Patentee before: Gao Hongpu |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100106 Termination date: 20140331 |