CN202759338U - Novel efficient radiating motor - Google Patents
Novel efficient radiating motor Download PDFInfo
- Publication number
- CN202759338U CN202759338U CN 201220409881 CN201220409881U CN202759338U CN 202759338 U CN202759338 U CN 202759338U CN 201220409881 CN201220409881 CN 201220409881 CN 201220409881 U CN201220409881 U CN 201220409881U CN 202759338 U CN202759338 U CN 202759338U
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- stator
- fan
- motor
- rotor
- buffer part
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- Expired - Fee Related
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Abstract
The utility model discloses a novel efficient radiating motor, comprising a stator and a rotor, wherein the rotor is mounted in the stator, the rotor comprises a rotating shaft and a fan, and the fan is installed on the rotating shaft; one end, which is close to the fan, of the stator is provided with a wind guiding structure, the wind guiding structure comprises an axial extending part, a slit is formed between the axial extending part and the fan along the axial direction (or radial direction) of the motor, and the slit is used for avoiding an eddy caused by the airflow flows from a high pressure area on one side of the fan to a low pressure area on the other side of the fan through a gap between the wind guiding structure and the fan; and the lower part of the stator is provided with a pedestal, the pedestal comprises a connecting part, a supporting part and a buffering part, the connecting part is connected with the outer side of the stator, the buffering part is interconnected with the connecting part, and the supporting part is connected with the buffering part. The novel efficient radiating motor has the advantages of simple connection, convenient use and more flexible installation, reduces the stress caused by the stressed force, and can effectively improve the internal heat radiation of the motor.
Description
Technical field
The utility model relates to a kind of motor, relates in particular to a kind of Novel efficient radiating motor.
Background technology
Usually, electronically commutated motor comprises stator and the rotor that is installed in the stator, and square end cap is established at the stator two ends, and the external diameter of described two end cap is a bit larger tham the external diameter of stator core, and four angles of two end cap rely on four screw rods to be connected and fixed in the stator outside.Wherein the inboard of an end cap can arrange fan, is used for stator winding is cooled off.Yet, along with electric efficiency requires more and more higher, and volume requirement is more and more less, the heat dissipation problem of motor internal becomes more and more outstanding, conventional motors mainly comprises a motor framework and a pedestal, an accommodating tumbler in this motor framework, this pedestal connects this motor framework of support, in principle, the intensity of this pedestal only need be enough to the weight of support motor integral body and the vibrations in when running get final product, when need being used in the deathtrap, motor (for example is full of in the space of inflammable gas), requirement of strength to this pedestal then needs higher, when guaranteeing that motor meets accident situation (for example sneak into oil gas and explode), this pedestal can provide required support and fixed function, unlikely breaking-up, yet, its intensity of the pedestal of conventional motors how only can support motor integral body weight and the vibrations during running, if aforementioned blast occurs, will cause this pedestal stress rupture; For this reason, conventional practice is the contact area that directly increases this pedestal and this motor framework, and quantity or the thickness of increase supporting member, bear the caused stress of pressure of blast in the hope of reduction, to avoid stress rupture, on implementation, mode mainly with secondary operations, to be soldered to the motor framework according to the pedestal of previous designs change, except increasing integrally-built unsteadiness (engineering properties of weld differs from other position), also increase material cost (significantly increasing the weight of pedestal); Therefore, how effectively to improve the motor internal heat radiation, the effective load-bearing bradyseism of pedestal is problem to be solved in the utility model.
The utility model content
For addressing the above problem, the utility model provides a kind of connection simple, easy to use, installs more flexibly, reduces the stress of stressed initiation, can effectively improve the Novel efficient radiating motor that motor internal dispels the heat.
The technical scheme that adopts for achieving the above object is: a kind of Novel efficient radiating motor, comprise stator, rotor, described rotor is installed in the stator, described rotor comprises rotating shaft, fan, described fan is installed on the rotating shaft, described stator is provided with air guide structure near an end of fan, described air guide structure comprises the section of extending axially, described extending axially between section and the fan forms slit along motor shaft to (or radially), is used for stoping air-flow to flow to the low-pressure area of fan opposite side and produce eddy current via the space between air guide structure and fan from the higher-pressure region of fan one side; Described stator below arranges pedestal, and described pedestal comprises connecting portion, support portion, buffer part, the described connecting portion connecting stator outside, and described buffer part is connected with connecting portion, and described support portion is connected with buffer part;
Described stator comprises stator core, winding, and described winding is wound on the stator core, and described stator also comprises the insulation coil holder, and described insulated wire sets up two axial ends that place stator core, is used for insulation stator magnetic core and winding; Described air guide structure is extended along motor shaft to one and is formed by the insulation coil holder;
Described stator comprises stator core, winding, and described winding is wound on the stator core, and described stator also comprises the insulation coil holder, and described insulated wire sets up two axial ends that place stator core, is used for insulation stator magnetic core and winding; Described air guide structure also comprises the end of radially extending, and described end fixes with the insulation coil holder;
Described buffer part has an arc structure;
Described buffer part and connecting portion are connected to form one first bent area, and described buffer part and support portion are connected to form the second bent area.
Beneficial effect with respect to prior art is, form slit between the end of the section that extends axially of fan end and air guide structure, the space that can stop air-flow to be asked via air guide structure and fan from the higher-pressure region of fan one side flows to the low-pressure area of fan opposite side and forms eddy current, thereby promote the cooling effectiveness of fan and then the performance of lifting motor, and reduce noise; When fan was positioned at the stator end cap outside, fan dimension was not limited by end cap; Setting by this buffer part, this motor framework can be disperseed by this first bent area of this buffer part and this second bent area by the power that this connecting portion conduction comes, conduct to again this support portion, avoid causing the easily situation because ruptured by unexpected impulse force and this support portion of connecting portion, can be with this motor application in multiple electric equipments such as electric tools.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram of the utility model air guide structure.
Embodiment
In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, describe most preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing, the utility model is limited.
As shown in Figure 1 and Figure 2, this Novel efficient radiating motor connects simple, and is easy to use, installs more flexibly, reduces the stress of stressed initiation, can effectively improve motor internal and dispel the heat.This Novel efficient radiating motor, comprise stator, rotor, described rotor is installed in the stator, described stator comprises stator core 18, winding 5, and described winding 5 is wound on the stator core 18, and described stator core 18 is by magnetic conductive material, make such as iron, described stator also comprises insulation coil holder 7,16, and described insulation coil holder 7,16 is arranged at two axial ends of stator core 18, with insulation stator magnetic core 18 and winding 5; Described stator core 18 is made by magnetic conductive material such as iron, comprises yoke section 1 and some tooth sections 2 that extends internally from yoke section, and described winding 5 is wound in the described tooth section 2; The outer surface of described yoke section 1 can be offered some grooves vertically, to increase the cooling surface area of yoke section, described stator also comprises two end cap 11 and is connected and fixed some connectors 3 of two end cap, described connector 3 passes from stator interior, particularly, described connector 3 can pass from the gap between the inboard adjacent teeth section of yoke section 12.Described each end cap 11 comprises the end 9 of supporting revolving shaft and the section that extends axially 6 of extending vertically from the end, thereby the remainder of the adterminal inside of the diaxon relative tooth section of described stator core tooth section 2 depression forms step 4; Described end-cover axle is resisted against the step place of stator core tooth section 2 ends to the end of extension 6, described step 4 axially and the footpath upwards the section of extending axially is being located; Alternatively, if the precision of the inner cylinder face of coil holder is enough, the described end that extends axially section 6 also can rely on the inner cylinder face location of coil holder, and this moment, stator core tooth section 2 axial end need not to arrange step 4, relied on stator core 18 end faces to carry out axial location to get final product;
Described rotor comprises rotating shaft 8, fan 17, and described fan 17 is installed on the rotating shaft 8, and described fan 17 is positioned at the wherein axial outside of an end cap.Described insulation coil holder 16 near fan 17 serves as air guide structure 16 simultaneously, it comprises axial end portion 21 and the section that extends axially 22 of extending vertically from the neighboring of axial end portion, described axial end portion 21 comprises the radially extension that several are corresponding with stator core tooth section 2, described radially extension posts an axial end that is fixed in stator core tooth section 2, with insulation winding 5 and magnetic core 18; The described section of extending axially is cylindric, is centered around the periphery of end cap, can certainly be other forms of tubular, and when being square such as stator, the described section that extends axially can be square tubular; The described end outward away from axial end portion that extends axially section 22, thus horn-like opening formed; Described fan 17 is centrifugal fan, comprise some flabellums that extend radially outward, described flabellum is towards air guide structure, between the end of the section that extends axially of the end of described flabellum and air guide structure along motor shaft to forming axial slits, preferably, the width of described slit greater than 0.03 millimeter, less than 3.0 millimeters; During machine operation, the air-flow that fan produces enters space between stator interior adjacent teeth section and the gap between rotor from motor away from an end of fan, then from motor near an end of fan and under the help of wind guiding mechanism, flow out via the gas channel between electric fan, thereby rotor core and magnet and stator winding are cooled off, and airflow direction also can conversely certainly; Form axial slits between the end of the section that extends axially 22 of the end of described flabellum and air guide structure, can stop air-flow to flow to via the space of 17 in air guide structure 16 and fan from the higher-pressure region that is positioned at the fan air side is positioned at the low-pressure area of fan inlet side and forms eddy current, thereby promote the cooling effectiveness of fan, thereby the performance of lifting motor and reduce noise; Alternatively, the also separately moulding of described air guide structure 16 comprises the axial end portion that radially extends and the section that extends axially 22 of extending vertically from the neighboring of axial end portion, and axial end portion fixes with insulation coil holder 7,16;
Described stator below arranges pedestal 15, and described pedestal 15 comprises connecting portion 19, support portion 23, buffer part 12, the described connecting portion 19 connecting stators outside, and described buffer part 12 is connected with connecting portion 19, and described support portion 23 is connected with buffer part 12; Common support motor has symmetrical stressed effect, reduces the structural design difficulty of motor base; Described buffer part 12 has an arc structure; Make things convenient for buffer part and connecting portion 19 to be connected to form one first bent area 13, buffer part 12 is connected to form the second bent area 14 with support portion 23, cushions stressed; The stressed rear conduction of motor is passed through first connecting portion 19 to pedestal 15, connecting portion 19 conduction is arranged again to buffer part 12, after buffer part 12 mitigations, conduct to ground through support portion 23 again, avoided support portion 23 because of directly stressed suddenly, and fracture, and then damage equipment.
The above execution mode only is used for illustrating the utility model, but is not limited to this.Under the condition that does not depart from the utility model design, affiliated technical field personnel can make suitable change and adjustment, and these change and adjustments also should be included within the claim protection range of the present utility model.
Claims (3)
1. Novel efficient radiating motor, it is characterized in that: comprise stator, rotor, described rotor is installed in the stator, described rotor comprises rotating shaft, fan, described fan is installed on the rotating shaft, described stator is provided with air guide structure near an end of fan, described air guide structure comprises the section of extending axially, described extending axially between section and the fan forms slit along motor shaft to (or radially), is used for stoping air-flow to flow to the low-pressure area of fan opposite side and produce eddy current via the space between air guide structure and fan from the higher-pressure region of fan one side; Described stator below arranges pedestal, and described pedestal comprises connecting portion, support portion, buffer part, the described connecting portion connecting stator outside, and described buffer part is connected with connecting portion, and described support portion is connected with buffer part.
2. Novel efficient radiating motor according to claim 1, it is characterized in that: described stator comprises stator core, winding, described winding is wound on the stator core, described stator also comprises the insulation coil holder, described insulated wire sets up two axial ends that place stator core, is used for insulation stator magnetic core and winding; Described air guide structure is extended along motor shaft to one and is formed by the insulation coil holder.
3. Novel efficient radiating motor according to claim 1, it is characterized in that: described buffer part has an arc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220409881 CN202759338U (en) | 2012-08-18 | 2012-08-18 | Novel efficient radiating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220409881 CN202759338U (en) | 2012-08-18 | 2012-08-18 | Novel efficient radiating motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202759338U true CN202759338U (en) | 2013-02-27 |
Family
ID=47738497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220409881 Expired - Fee Related CN202759338U (en) | 2012-08-18 | 2012-08-18 | Novel efficient radiating motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202759338U (en) |
-
2012
- 2012-08-18 CN CN 201220409881 patent/CN202759338U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20130818 |