CN105048693A - Motor end cover with good heat dissipation performance - Google Patents
Motor end cover with good heat dissipation performance Download PDFInfo
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- CN105048693A CN105048693A CN201510480889.2A CN201510480889A CN105048693A CN 105048693 A CN105048693 A CN 105048693A CN 201510480889 A CN201510480889 A CN 201510480889A CN 105048693 A CN105048693 A CN 105048693A
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- motor end
- end cap
- electric motor
- end cover
- motor
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Abstract
The invention discloses a motor end cover with good heat dissipation performance. The motor end cover comprises a motor end cover body, wherein the inside and the outside of the motor end cover body are subjected to rust-proof treatment through a galvanization technology; the motor end cover body comprises a motor end cover bottom and an outer barrel of the motor end cover; at least two straight threaded sections which are not connected with each other are arranged on the inner wall of the outer barrel of the motor end cover; a through hole is formed in the center of the motor end cover bottom; at least one heat dissipation hole which is formed along the circumferential direction of the through hole is also formed between the through hole in the motor end cover bottom and the outer barrel of the motor end cover in a circular manner; a fixed structure is arranged on the outer wall of the outer barrel of the motor end cover; and a thread fixing hole is formed in the fixed structure. The defect that heat in the axial direction of a motor is not easy to dissipate along the axial direction in an accelerating manner during heat dissipation in the prior art is solved; and the motor end cover capable of further accelerating heat dissipation along the axial direction is designed, so that the motor can be subjected to heat dissipation along the circumferential direction during operation, and simultaneously can be subjected to heat dissipation along the axial direction; the heat dissipation is quickened; and a running fault of the motor is avoided.
Description
Technical field
The present invention relates to field of mechanical technique, specifically, is the electric motor end cap that a kind of heat dispersion is good.
Background technology
Motor, primarily of compositions such as magnetic core, coil windings, shells, and electric motor end cap is as the important component part of motor housing, the quality of its quality, directly has influence on the normal operation of whole motor.
Motor (English: Electricmachinery, is commonly called as " motor ") refers to a kind of calutron realizing electric energy conversion according to the law of electromagnetic induction or transmit.Represent with alphabetical M (old plant D) in circuit.Its Main Function produces driving torque, as the power source of electrical appliance or various machinery.Generator represents with alphabetical G in circuit.Its Main Function utilizes changes mechanical energy for electric energy, the most frequently used at present, utilizes the pushing generator rotors such as heat energy, water energy to generate electricity.
Motor, divides by working power kind: can be divided into direct current machine and alternating current machine.
DC motor can divide by structure and working principle: brushless DC motor and brush DC motors.
Brush DC motors can divide: permanent magnet direct current motor and electromagnetism DC motor.
Electromagnetism DC motor divides: series excitation DC motor, Shunt-excited DC Motors Based, DC motor with separate excitation and D.C. compound generator.
Permanent magnet direct current motor divides: thulium permanent magnetism gear, ferrite permanent-magnet DC motor and Al-Ni-Co permanent magnet DC motor.
Wherein alternating current machine also can divide: monophase machine and three phase electric machine.
Motor, can divide by structure and operation principle: can be divided into DC motor, asynchronous motor, synchronous motor.
Synchronous machine can divide: permanent magnet synchronous motor, reluctance synchronous motor and hysteresis synchronous motor.
Asynchronous machine can divide: induction motor and alternating-current commutator motor.
Induction motor can divide: threephase asynchronous, monopole asynchronous motor and shaded pole asynchronous motor etc.
Alternating-current commutator motor can divide: single phase series motor, universal motor and repulsion motor.
Motor, can divide by starting and operational mode: capacitor start formula monopole asynchronous motor, capacitor operating type monopole asynchronous motor, capacitor start operating type monopole asynchronous motor and split-phase type monopole asynchronous motor.
Motor, can divide by purposes: drive motor and control motor.
Drive motor can divide: electric tool (comprising the instruments such as boring, polishing, polishing, fluting, cutting, reaming) motor, household electrical appliances (comprising washing machine, electric fan, refrigerator, air conditioner, recorder, video tape recorder, video disc player, dust catcher, camera, hair dryer, electric shaver etc.) motor and other general small-size plant equipment (comprising various junior machine, small-sized machine, medicine equipment, electronic instrument etc.) use motor.
Control motor divides again: stepping motor and servomotor etc.
Motor, can divide by the structure of rotor: cage induction motor (old plant is called squirrel cage asynchronous motor) and wound-rotor induction motor (old plant is called wound rotor asynchronous motor).
Motor, can divide by running speed: high-speed motor, slow-speed motor, constant speed motor, adjustable-speed motor.Slow-speed motor is divided into again gearmotor, electromagnetic deceleration motor, torque motor and pawl pole synchronous motor etc.
Adjustable-speed motor, except can being divided into and having a grade constant speed motor, stepless constant speed motor, step speed change motor and stepless variable-speed motor, also can be divided into electromagnetic varispeed motor, speed adjustable DC motor, PWM frequency-conversion and speed-regulation motor and magnetic resistance switch speed-adjustable motor.
The rotor speed of asynchronous motor is always a little less than the synchronous speed of rotating magnetic field.
The rotor speed of synchronous motor and load have nothing to do and remain synchronous speed.
Electric motor end cap is as an important component part of motor, the requirement of its precision is particularly important, and prior art is often utilize measurer to carry out measuring or utilize matching principle to mate carrying out accuracy detection, to determine the precision of electric motor end cap, but this type of detecting pattern often exists and expends huge man power and material, the drawback of detection efficiency but effectively can not be improved.
Electric motor end cap and the helicitic texture be connected between motor of prior art adopt the set-up mode of whole section, make installation personnel that for a long time time can be spent when mounted whole electric motor end cap could to be twisted and are connected on motor, cause operating efficiency too low; Simultaneously because screw thread is very easy to when torsion is excessive occur screw thread stripped thread, time particularly whole section of screw thread is arranged, even if there is a screw thread stripped thread, then whole electric motor end cap or electric machine casing all will be scrapped, thus cause great waste.
Straight thread is a kind of convenient and fast connection, simple helicitic texture, after two kinds of spiro connection structures adopt straight screw connection, its stable switching performance, on-deformable feature often speak approvingly of by people.
Existing motor, when dispelling the heat, dispels the heat from sidewall often, and motor shaft heat upwards not easily accelerates heat radiation vertically, thus causes motor operation troubles.
Summary of the invention
The object of the present invention is to provide the electric motor end cap that a kind of heat dispersion is good, solve prior art when dispelling the heat, dispel the heat from sidewall often, and motor shaft heat upwards not easily accelerates heat radiation vertically, thus cause the deficiency of motor operation troubles, design a kind of electric motor end cap can accelerating to dispel the heat vertically further, motor operationally can not only circumferentially be dispelled the heat, also can dispel the heat vertically simultaneously, radiating rate be accelerated, avoids occurring motor operation troubles.
The present invention is achieved through the following technical solutions: the electric motor end cap that a kind of heat dispersion is good, electric motor end cap body all through zincincation antirust treatment inside and outside comprising, described electric motor end cap body comprises at the bottom of electric motor end cap and electric motor end cap urceolus, described electric motor end cap outer tube inner wall is provided with at least two sections of mutual incoherent straight thread sections, at the bottom of described electric motor end cap, center is provided with through hole; At least one circle is also arranged circumferentially between through hole and electric motor end cap urceolus along through hole louvre circumferentially at the bottom of described electric motor end cap; The outer wall of described electric motor end cap urceolus is provided with fixed structure, described fixed structure is provided with threaded securing bores.
Further for realize the present invention better, be provided with following structure especially: the crest width of described straight thread section is 1.1 ~ 1.5mm; Described straight thread section is 4 sections, and 4 sections of straight thread sections are uniformly distributed along electric motor end cap urceolus circumference.
Further for realize the present invention better, be provided with following structure especially: on described electric motor end cap body, be also provided with electric motor end cap inner core, described electric motor end cap inner core and electric motor end cap urceolus are that concentric circles is arranged at the bottom of electric motor end cap; It is the equally distributed boss of geometry that the inwall of described electric motor end cap inner core is provided with a circle; Described louvre is two circles, and between electric motor end cap inner tank theca and electric motor end cap outer tube inner wall.
Further for realize the present invention better, be provided with following structure especially: described boss is 8.
Further for realize the present invention better, be provided with following structure especially: between described through hole and electric motor end cap inner core, be also provided with positioning tube, the height of described positioning tube is less than the height of electric motor end cap inner core.
Further for realize the present invention better, be provided with following structure especially: between the inner ring and positioning tube of described boss, be also provided with scrobicular ring, be trapped in described scrobicular ring at the bottom of electric motor end cap.
Further for realize the present invention better, be provided with following structure especially: described electric motor end cap body adopts that to mould alloy one-body molded or adopt that aluminium alloy is one-body molded or employing steel are one-body molded.
Further for realize the present invention better, be provided with following structure especially: described fixed structure is 4 and is symmetrically distributed on the outer wall of electric motor end cap urceolus.
The present invention compared with prior art, has the following advantages and beneficial effect:
The present invention solves prior art when dispelling the heat, dispel the heat from sidewall often, and motor shaft heat upwards not easily accelerates heat radiation vertically, thus cause the deficiency of motor operation troubles, design a kind of electric motor end cap can accelerating to dispel the heat vertically further, motor operationally can not only circumferentially be dispelled the heat, also can dispel the heat vertically simultaneously, radiating rate is accelerated, avoids occurring motor operation troubles.
The present invention also can solve prior art carry out between electric motor end cap and motor twist connect time length consuming time, and when appearance screw thread stripped thread, then whole screw thread all announces the weak point of scrapping, design a kind of thread segment structure that utilizes to carry out twisting the electric motor end cap connect, even if the pattern of its segmentation design can ensure to occur a screw thread stripped thread, also can not there is the whole position that is spirally connected and be occurred by the situation of scrapping; Because each thread segment does not interfere with each other, therefore when a certain silk screw thread stripped thread occurring a certain section, the whole position that is spirally connected also can not be caused to scrap; And utilize straight thread to replace regular screw threads, make the position that is spirally connected more stable, also there will not be the situation of distortion.
The present invention is provided with electric motor end cap inner core, and the boss on electric motor end cap inner core, can ensure further to be connected with stable between electric motor internal stator or rotor.
Positioning tube set by the present invention, can ensure the effective location between electric motor end cap and motor, is unlikely to occur that too tight or too loose situation occurs, thus avoids the situation occurring use accident to occur.
The present invention adopts plating network anti-corrosive technology, can make lengthen the useful life of whole electric motor end cap.
Accompanying drawing explanation
Fig. 1 is stereogram of the present invention.
Fig. 2 is vertical view of the present invention.
Fig. 3 is louvre vertical view of the present invention.
Wherein, 1-positioning tube, 2-scrobicular ring, 3-boss, 4-electric motor end cap inner core, at the bottom of 5-electric motor end cap, 6-straight thread section, 7-electric motor end cap urceolus, 8-fixed structure, 9-threaded securing bores, 10-louvre.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1:
The electric motor end cap that a kind of heat dispersion is good, solve prior art when dispelling the heat, dispel the heat from sidewall often, and motor shaft heat upwards not easily accelerates heat radiation vertically, thus cause the deficiency of motor operation troubles, design a kind of electric motor end cap can accelerating to dispel the heat vertically further, motor operationally can not only circumferentially be dispelled the heat, also can dispel the heat vertically simultaneously, radiating rate is accelerated, avoid occurring motor operation troubles, as Fig. 1, Fig. 2, shown in Fig. 3, electric motor end cap body all through zincincation antirust treatment inside and outside comprising, described electric motor end cap body to comprise at the bottom of electric motor end cap 5 and electric motor end cap urceolus 7, described electric motor end cap urceolus 7 inwall is provided with at least two sections of mutual incoherent straight thread sections 6, at the bottom of described electric motor end cap, 5 centers are provided with through hole, at least one circle is also arranged circumferentially on 5 between through hole and electric motor end cap urceolus 7 along through hole louvre 10 circumferentially at the bottom of described electric motor end cap, the outer wall of described electric motor end cap urceolus 7 is provided with fixed structure 8, described fixed structure 8 is provided with threaded securing bores 9.
Comprise electric motor end cap body, described electric motor end cap body to comprise at the bottom of electric motor end cap 5 and electric motor end cap urceolus 7, and on described electric motor end cap urceolus 7 inwall, circumference is provided with at least two sections of straight thread sections 6, and at the bottom of described electric motor end cap, 5 centers are provided with through hole; At least one circle is also arranged circumferentially on 5 between through hole and electric motor end cap urceolus 7 along through hole louvre 10 circumferentially at the bottom of described electric motor end cap; The outer wall of described electric motor end cap urceolus 7 is provided with fixed structure 8, described fixed structure 8 is provided with threaded securing bores 9; This inside and outside of described electric motor end cap is all through zincincation antirust treatment.
In use, owing to adopting segmentation helicitic texture, make between electric motor end cap with motor, to carry out stubborn fast connecing when being connected, and due to a certain section of thread segment all non-interference, even if make arbitrary section of thread segment have the situation of stripped thread to occur, whole helicitic texture also can not be made to scrap; And owing to adopting straight thread, replace regular screw threads, make the position that is spirally connected more stable, also there will not be the situation of distortion.
And when motor is when moving, the heat sent also dispels the heat vertically by louvre 10 except circumferentially carrying out heat radiation.
Also can solve prior art carry out between electric motor end cap and motor twist connect time length consuming time, and when appearance screw thread stripped thread, then whole screw thread all announces the weak point of scrapping, design a kind of thread segment structure that utilizes to carry out twisting the electric motor end cap connect, even if the pattern of its segmentation design can ensure to occur a screw thread stripped thread, also can not there is the whole position that is spirally connected and be occurred by the situation of scrapping; Because each thread segment does not interfere with each other, therefore when a certain silk screw thread stripped thread occurring a certain section, the whole position that is spirally connected also can not be caused to scrap; And utilize straight thread to replace regular screw threads, make the position that is spirally connected more stable, also there will not be the situation of distortion.
Embodiment 2:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further for realize the present invention better, can make to be connected between motor with electric motor end cap more to meet mechanical stability, as shown in Figure 1, Figure 2, Figure 3 shows, following structure is provided with especially: the crest width of described straight thread section 6 is 1.1 ~ 1.5mm; Described straight thread section 6 is 4 sections, and 4 sections of straight thread sections 6 are uniformly distributed along electric motor end cap urceolus 7 circumference.
Embodiment 3:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further for realize the present invention better, further guarantee is connected with stable between electric motor internal stator or rotor, and the heat radiation also can accelerated in the axial direction, as shown in Figure 1, Figure 2, Figure 3 shows, be provided with following structure especially: on described electric motor end cap body, be also provided with electric motor end cap inner core 4, described electric motor end cap inner core 4 and electric motor end cap urceolus 7 to be arranged at the bottom of electric motor end cap on 5 in concentric circles; It is the equally distributed boss 3 of geometry that the inwall of described electric motor end cap inner core 4 is provided with a circle; Described louvre 10 is two circles, and between electric motor end cap inner core 4 outer wall and electric motor end cap urceolus 7 inwall.
Embodiment 4:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further for realize the present invention better, as shown in Figure 1, Figure 2, Figure 3 shows, is provided with following structure especially: described boss 3 is 8.
Embodiment 5:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further for realize the present invention better, for ensureing the effective location between electric motor end cap and motor, be unlikely to occur that too tight or too loose situation occurs, thus avoid the situation occurring use accident to occur, as shown in Figure 1, Figure 2, Figure 3 shows, be provided with following structure especially: between described through hole and electric motor end cap inner core 4, be also provided with positioning tube 1, the height of described positioning tube 1 is less than the height of electric motor end cap inner core 4.
Embodiment 6:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further for realize the present invention better, as shown in Figure 1, Figure 2, Figure 3 shows, be provided with following structure especially: between the inner ring and positioning tube 1 of described boss 3, be also provided with scrobicular ring 2, be trapped in described scrobicular ring at the bottom of electric motor end cap on 5.
Further for realize the present invention better, the intensity of whole electric motor end cap body can be increased, be provided with following structure especially: described electric motor end cap body adopts that to mould alloy one-body molded or adopt that aluminium alloy is one-body molded or employing steel are one-body molded.
Further for realize the present invention better, for make electric motor end cap can be attached thereto convenient fixing of the object that connects, as shown in Figure 1, Figure 2, Figure 3 shows, following structure is provided with especially: described fixed structure 8 is 4 and is symmetrically distributed on the outer wall of electric motor end cap urceolus 7.
The above is only preferred embodiment of the present invention, and not do any pro forma restriction to the present invention, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present invention, all falls within protection scope of the present invention.
Claims (8)
1. the electric motor end cap that a heat dispersion is good, it is characterized in that: the electric motor end cap body all through zincincation antirust treatment inside and outside comprising, described electric motor end cap body comprises (5) at the bottom of electric motor end cap and electric motor end cap urceolus (7), described electric motor end cap urceolus (7) inwall is provided with at least two sections of mutual incoherent straight thread sections (6), at the bottom of described electric motor end cap, (5) center is provided with through hole; At the bottom of described electric motor end cap, (5) are upper is also arranged circumferentially at least one circle along through hole louvre (10) circumferentially between through hole and electric motor end cap urceolus (7); The outer wall of described electric motor end cap urceolus (7) is provided with fixed structure (8), described fixed structure (8) is provided with threaded securing bores (9).
2. the electric motor end cap that a kind of heat dispersion according to claim 1 is good, is characterized in that: the crest width of described straight thread section (6) is 1.1 ~ 1.5mm; Described straight thread section (6) is 4 sections, and 4 sections of straight thread sections (6) are uniformly distributed along electric motor end cap urceolus (7) circumference.
3. the electric motor end cap that a kind of heat dispersion according to claim 2 is good, it is characterized in that: on described electric motor end cap body, be also provided with electric motor end cap inner core (4), described electric motor end cap inner core (4) and electric motor end cap urceolus (7) are arranged in concentric circles on (5) at the bottom of electric motor end cap; It is the equally distributed boss of geometry (3) that the inwall of described electric motor end cap inner core (4) is provided with a circle; Described louvre (10) is two circles, and is positioned between electric motor end cap inner core (4) outer wall and electric motor end cap urceolus (7) inwall.
4. the electric motor end cap that a kind of heat dispersion according to claim 3 is good, is characterized in that: described boss (3) is 8.
5. the electric motor end cap that a kind of heat dispersion according to claim 4 is good, it is characterized in that: between described through hole and electric motor end cap inner core (4), be also provided with positioning tube (1), the height of described positioning tube (1) is less than the height of electric motor end cap inner core (4).
6. the electric motor end cap that a kind of heat dispersion according to claim 5 is good, it is characterized in that: between the inner ring and positioning tube (1) of described boss (3), be also provided with scrobicular ring (2), be trapped in described scrobicular ring on (5) at the bottom of electric motor end cap.
7. the electric motor end cap that a kind of heat dispersion according to any one of claim 1-6 is good, is characterized in that: described electric motor end cap body adopts that to mould alloy one-body molded or adopt aluminium alloy one-body molded or adopt steel one-body molded.
8. the electric motor end cap that a kind of heat dispersion according to any one of claim 1-6 is good, is characterized in that: described fixed structure (8) is 4 and is symmetrically distributed on the outer wall of electric motor end cap urceolus (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510480889.2A CN105048693A (en) | 2015-08-07 | 2015-08-07 | Motor end cover with good heat dissipation performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510480889.2A CN105048693A (en) | 2015-08-07 | 2015-08-07 | Motor end cover with good heat dissipation performance |
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| CN105048693A true CN105048693A (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510480889.2A Pending CN105048693A (en) | 2015-08-07 | 2015-08-07 | Motor end cover with good heat dissipation performance |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896822A (en) * | 2016-06-28 | 2016-08-24 | 无锡新大力电机有限公司 | Motor for new energy car |
| CN105896821A (en) * | 2016-06-28 | 2016-08-24 | 无锡新大力电机有限公司 | Motor for new energy vehicle |
| CN105896804A (en) * | 2016-06-28 | 2016-08-24 | 无锡新大力电机有限公司 | Integrated controller-based new energy automobile motor |
| CN106026496A (en) * | 2016-06-28 | 2016-10-12 | 无锡新大力电机有限公司 | Motor used for new energy automobile |
| CN106130237A (en) * | 2016-06-28 | 2016-11-16 | 无锡新大力电机有限公司 | A kind of motor for new-energy automobile |
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| CN204967496U (en) * | 2015-08-07 | 2016-01-13 | 重庆铸豪机械有限责任公司 | Motor end cover that heat dispersion is good |
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| CN105896822A (en) * | 2016-06-28 | 2016-08-24 | 无锡新大力电机有限公司 | Motor for new energy car |
| CN105896821A (en) * | 2016-06-28 | 2016-08-24 | 无锡新大力电机有限公司 | Motor for new energy vehicle |
| CN105896804A (en) * | 2016-06-28 | 2016-08-24 | 无锡新大力电机有限公司 | Integrated controller-based new energy automobile motor |
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| CN106130237A (en) * | 2016-06-28 | 2016-11-16 | 无锡新大力电机有限公司 | A kind of motor for new-energy automobile |
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