CN201430501Y - External mesh type electric motor - Google Patents
External mesh type electric motor Download PDFInfo
- Publication number
- CN201430501Y CN201430501Y CN2009201439190U CN200920143919U CN201430501Y CN 201430501 Y CN201430501 Y CN 201430501Y CN 2009201439190 U CN2009201439190 U CN 2009201439190U CN 200920143919 U CN200920143919 U CN 200920143919U CN 201430501 Y CN201430501 Y CN 201430501Y
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- Prior art keywords
- way clutch
- electric motor
- gear wheel
- iron core
- core
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Abstract
The utility model provides an external mesh type electric motor, which comprises a motor reducing device. A limit clamping ring is arranged at the front end of a rotating shaft of a unidirectional clutch and a return spring is arranged between the limit clamping ring and the unidirectional clutch. The motor reducing device is structurally characterized in that a pinion is mounted on the shaft headof a motor rotating shaft, a reducing gear wheel which is eccentrically engaged with the pinion is mounted on the rear end face of a raised ring of the unidirectional clutch, and an axial distance between the gear wheel and the pinion is equal to an axial distance between the unidirectional clutch and a flywheel gear ring. Besides, a mesh thrust mechanism is arranged at the rear of the reducing gear wheel. The external mesh type electric motor can sufficiently utilize limit mounting space of the motor, is more convenient in installation and more flexible in arrangement. Moreover, the gear wheel and the pinion are separated when boosting, the unidirectional clutch can not run partially, thereby reducing mechanical abrasion and power loss and achieving more reasonable design.
Description
Technical field
The utility model belongs to engine and other technical field of internal combustion engines, specifically a kind of external toothing formula electric motor.
Background technology
The existing so far 100 years of development history of orthodox car starter, devices such as its electromagnetic switch, axle sleeve and one-way clutch, the normal startup of automobile engine can only be satisfied, and the working condition requirement of these the new energy-conserving and environment-protective of zero idling frequent starting that just must be flame-out of stopping can't be satisfied.For this reason, the applicant has developed a kind of " switch-off electronic motor and control system thereof " (application number 200910117241.3, application number 200920143849.9).
What this switch-off electronic motor adopted is that epicyclic gearing realizes its deceleration, this deceleration device is that deceleration rotating shaft planet carrier is installed on double-row bearing, on the deceleration rotating shaft planet carrier epicyclic reduction gear is installed, epicyclic reduction gear rotates in planetary ring gear, deceleration rotating shaft planet carrier drives the rotating shaft rotation of one-way clutch, the front end face of planetary ring gear is bumped in the front end housing, rear end face by bearing (ball) cover by being bolted on the front end housing, machine shaft is installed in the bearing of bearing (ball) cover, and its spindle nose is provided with gear and planetary gear transmission running.In addition, the described machine shaft other end is installed in the bearing of rear end cap, its spindle nose place of stretching out rear end cap is equipped with fan or impeller, the heat dissipation ventilation cover is installed on the cylindrical of described rear end cap, the supercharging breather line is installed on ventilator cowling, the other end of supercharging breather line connects the engine charge pipeline, constitutes the heat radiation and the electronic supercharging device of electric motor.
Along with further going deep into of switch-off electronic motor R﹠D work, the applicant has invented another kind of external toothing switch-off electronic motor again, as replenishing of above-mentioned patented technology.
Summary of the invention
The purpose of this utility model is to provide a kind of can effectively utilize the automobile engine installing space, arrange the electric motor of external toothing formula more flexibly.
For achieving the above object, the technical scheme taked of the utility model is:
A kind of external toothing formula electric motor, comprise motor deceleration device, one-way clutch rotating shaft front end is provided with spacing collar, between spacing collar and one-way clutch, be provided with return spring, described deceleration device is that a pinion is installed on the spindle nose of machine shaft, be installed on the rear end face of one-way clutch bulge loop with the eccentric deceleration gear wheel that cooperates of pinion, the axial distance between the large and small gear equals the axial distance between one-way clutch and the flywheel ring gear; The rear of deceleration gear wheel is provided with an engagement thrust mechanism.
Described engagement thrust mechanism is on deceleration gear wheel rear end face permanent-magnetic clamp to be installed, and with the permanent-magnetic clamp relative position one secured core is installed, and the secured core cylindrical is provided with winding.
Described engagement thrust mechanism is to be provided with the slip iron core in the one-way clutch rearward end, a secured core is installed in one-way clutch periphery between slip iron core and deceleration gear wheel, the secured core cylindrical is provided with winding, leaves sliding air gap between circle and the slip iron core cylindrical in the secured core.
Described engagement thrust mechanism is to be provided with the slip iron core in the one-way clutch rearward end, a secured core is installed in one-way clutch periphery between slip iron core and deceleration gear wheel, secured core and slip iron core are oppositely arranged, have a cannelure on secured core and the slip iron core opposing end faces, in the cannelure of secured core winding is set.
Described machine shaft stretches out on another spindle nose of rear end cap fan or impeller is installed, and is provided with ventilator cowling on the cylindrical of rear end cap, and ventilator cowling connects the engine charge pipeline by breather line, constitutes the heat radiation and the supercharging device of electric motor.
The above-mentioned external toothing formula electric motor that the utility model provides can make full use of the limited installing space of engine, is more convenient for installing, and arranges more flexible.In addition, the separated attitude of large and small gear when supercharging, one-way clutch partly need not running, has reduced the loss of mechanical wear and power, makes its design more reasonable.
Description of drawings
Fig. 1 is the structural representation of first kind of embodiment of external toothing formula electric motor
Fig. 2 is the structural representation of second kind of embodiment of external toothing formula electric motor
Fig. 3 is the structural representation of the third embodiment of external toothing formula electric motor
Among the figure: the rotating shaft of 1-one-way clutch; The spacing collar of 2-; 3-spring interstage sleeve; The 4-return spring; 5-one-way clutch gear; 6-one-way clutch bulge loop; 7-deceleration gear wheel; 8-permanent-magnetic clamp, 8 '-slip iron core; The 9-secured core; The 10-winding; End cap in the middle of the 11-; 12-bearing A; The 13-stator core; The 14-permanent magnet; The 15-rear end cap; The 16-binding post; The 17-insulation cushion; The 18-insulating case; The 19-brush carrier; 20-fan or impeller; The 21-breather line; 22-bearing B; 23-; The 24-ventilator cowling; 25-brush stage clip; The 26-brush; The 27-rotor core; 28-bearing C; The 29-machine shaft; The 30-pinion; 31-axle sleeve A; 32-one-way clutch end cap; 33-axle sleeve B.
Embodiment
As shown in Figure 1, first kind of embodiment of external toothing formula electric motor that the utility model provides comprises free-wheeling assembly, motor and heat radiation thereof-supercharging device three parts.Wherein:
(1) free-wheeling assembly: an end of one-way clutch rotating shaft 1 is installed among the axle sleeve B33 of one-way clutch end cap 32, the other end is installed on the middle end cap 11 by bearing A12, return spring 4 is installed between spacing collar 2 and the one-way clutch gear 5 by spring interstage sleeve 3, deceleration gear wheel 7 is installed on one-way clutch bulge loop 6 rear end faces, the rear of deceleration gear wheel 7 is provided with an engagement thrust mechanism, engagement thrust mechanism described in this embodiment, be that permanent-magnetic clamp 8 is installed on deceleration gear wheel 7 rear end faces, with permanent-magnetic clamp 8 relative positions one secured core 9 is installed, secured core 9 cylindricals are provided with winding 10, and secured core 9 and winding 10 thereof are installed on the housing;
(2) motor part: stator core 13 is installed between middle end cap 11 and the rear end cap 15, permanent magnet 14 is fixed on the stator core 13, rotor core 27 is installed on the machine shaft 29, one end of machine shaft 29 is installed among the housing axle sleeve A31, the other end is installed on the rear end cap 15 by bearing B22, the stage casing is supported on the middle end cap 11 by bearing C28, one pinion 30 is installed on the spindle nose of machine shaft 29, cooperate with deceleration gear wheel 7 off-centre on being installed in one-way clutch bulge loop 6 rear end faces, big, pinion 7, axial distance between 30 equals the axial distance between one-way clutch and the flywheel ring gear.Motor among this embodiment is a brush motor, and brush carrier 19 is installed on the rear end cap 15, and brush 26 is installed on the brush carrier 19, and brush stage clip 25 exerts pressure for brush 26.Also can adopt brushless electric machine, therewith fully in like manner, repeat no more.
(3) heat radiation-supercharging device: machine shaft 29 stretches out on another spindle nose of rear end cap 15 fan or impeller 20 is installed, on the cylindrical of rear end cap 15, be provided with ventilator cowling 24, ventilator cowling 24 connects the engine charge pipeline by breather line 21, constitutes the heat radiation and the supercharging device of electric motor.
The operation principle of this external toothing formula electric motor is: when electric motor starts, the deceleration gear wheel 7 that is installed on one-way clutch bulge loop 6 rear end faces moves forward under the effect of permanent magnetism engagement thrust mechanism, be winding 10 energisings in the permanent magnetism engagement thrust mechanism, 8 generations of secured core 9 and permanent-magnetic clamp are with magnetic pole repulsion, promote deceleration gear wheel 7 and pinion 30 engagements, because deceleration gear wheel 7, axial distance between the pinion 30 equals the axial distance between one-way clutch and the flywheel ring gear, in the one-way clutch reach, one-way clutch gear 5 also meshes with the engine flywheel gear ring, this moment, machine shaft 29 began rotation, the pinion 30 that its spindle nose is installed is rotation together thereupon, pinion 30 drives 7 rotations of deceleration gear wheel, drive the rotation of engine flywheel gear ring by one-way clutch again, realize the purpose of deceleration rear drive engine.When winding 10 outages, 8 of secured core 9 and permanent-magnetic clamps disappear with magnetic pole repulsion, under the effect of the suction of 8 of secured core 9 and permanent-magnetic clamps and return spring 4, deceleration gear wheel 7 breaks away from pinion 30, and one-way clutch and engine flywheel gear ring be disengaging simultaneously also.During the work of this external toothing formula electric motor, machine shaft 29 another spindle nose mounted fan or impellers 20 play the effect of heat radiation, and are engine booster by ventilator cowling 24, breather line 21.When only needing the supercharging of engine charge pipeline, the one-way clutch part can not worked, and the separated attitude of large and small gear can reduce one-way clutch mechanical wear and power loss partly like this.
As shown in Figure 2, second kind of embodiment of external toothing formula electric motor that the utility model provides, structure and the principle of it and first kind of embodiment are basic identical, just distinguish to some extent at the engagement thrust mechanism of one-way clutch, what one-way clutch adopted among first kind of embodiment is permanent magnetism engagement thrust mechanism, what one-way clutch adopted among second kind of embodiment is that a kind of electromagnetism engagement thrust mechanism (is applied for a patent on the same day with the application, name is called: " electromagnetism geared assembly "), that is: described engagement thrust mechanism is to be provided with slip iron core 8 ' in the one-way clutch rearward end, a secured core 9 is installed in the one-way clutch periphery that is positioned between slip iron core 8 ' and the deceleration gear wheel 7, the cylindrical of secured core 9 is provided with winding 10, leaves sliding air gap between the interior circle of secured core 9 and the cylindrical of slip iron core 8 '.After winding 10 energisings, the electromagnetic force that secured core 9 produces attracts slip iron core 8 ', and slip iron core 8 ' promotes one-way clutch and then drives deceleration gear wheel 7 and pinion 30 engagements, and meanwhile one-way clutch gear 5 also meshes with the engine flywheel gear ring; After the outage, one-way clutch is under the effect of return spring 4, and deceleration gear wheel 7 breaks away from pinion 30, and one-way clutch gear 5 also breaks away from simultaneously with the engine flywheel gear ring.The other parts of this external toothing formula electric motor and operation principle are all identical with first kind of embodiment.
As shown in Figure 3, the third embodiment of external toothing formula electric motor that the utility model provides, structure and the principle of it and first kind of embodiment are also basic identical, difference also is the engagement thrust mechanism of one-way clutch, what one-way clutch adopted among the third embodiment is that another kind of electromagnetism engagement thrust mechanism (is applied for a patent on the same day with the application, name is called: " electromagnetism geared assembly "), that is: described engagement thrust mechanism is to be provided with slip iron core 8 ' in the one-way clutch rearward end, a secured core 9 is installed in the one-way clutch periphery that is positioned between slip iron core 8 ' and the deceleration gear wheel 7, secured core 9 is oppositely arranged with the slip iron core, have a cannelure on secured core 9 and the slip iron core 8 ' opposing end faces, winding 10 is set in the cannelure of secured core 9.After winding 10 energisings, the electromagnetic force that secured core 9 produces, attract the 8 ' reach of slip iron core, slip iron core 8 ' promotes one-way clutch and then drives deceleration gear wheel 7 and pinion 30 engagements, and meanwhile one-way clutch gear 5 also meshes with the engine flywheel gear ring; After the outage, one-way clutch is under the effect of return spring 4, and deceleration gear wheel 7 breaks away from pinion 30, and one-way clutch gear 5 also breaks away from simultaneously with the engine flywheel gear ring.Other parts and operation principle are all identical with first kind of embodiment.
Above-described only is three kinds of preferred embodiments of the present utility model.Should be understood that for the person of ordinary skill of the art, under technology enlightenment provided by the utility model, can also make other equivalent modifications and improvement, all can realize the purpose of this utility model, all should be considered as protection range of the present utility model.
Claims (5)
1, a kind of external toothing formula electric motor, comprise motor deceleration device, one-way clutch rotating shaft front end is provided with spacing collar, between spacing collar and one-way clutch, be provided with return spring, it is characterized in that: described deceleration device is that a pinion is installed on the spindle nose of machine shaft, be installed on the rear end face of one-way clutch bulge loop with the eccentric deceleration gear wheel that cooperates of pinion, the axial distance between the large and small gear equals the axial distance between one-way clutch and the flywheel ring gear; The rear of deceleration gear wheel is provided with an engagement thrust mechanism.
2, external toothing formula electric motor according to claim 1 is characterized in that: described engagement thrust mechanism is on deceleration gear wheel rear end face permanent-magnetic clamp to be installed, and with the permanent-magnetic clamp relative position one secured core is installed, and the secured core cylindrical is provided with winding.
3, external toothing formula electric motor according to claim 1, it is characterized in that: described engagement thrust mechanism is to be provided with the slip iron core in the one-way clutch rearward end, a secured core is installed in one-way clutch periphery between slip iron core and deceleration gear wheel, the secured core cylindrical is provided with winding, leaves sliding air gap between circle and the slip iron core cylindrical in the secured core.
4, external toothing formula electric motor according to claim 1, it is characterized in that: described engagement thrust mechanism is to be provided with the slip iron core in the one-way clutch rearward end, a secured core is installed in one-way clutch periphery between slip iron core and deceleration gear wheel, secured core and slip iron core are oppositely arranged, have a cannelure on secured core and the slip iron core opposing end faces, in the cannelure of secured core winding is set.
5, according to each described external toothing formula electric motor of claim 1 to 4, it is characterized in that: described machine shaft stretches out on another spindle nose of rear end cap fan or impeller is installed, on the cylindrical of rear end cap, be provided with ventilator cowling, ventilator cowling connects the engine charge pipeline by breather line, constitutes the heat radiation and the supercharging device of electric motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201439190U CN201430501Y (en) | 2009-07-01 | 2009-07-01 | External mesh type electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201439190U CN201430501Y (en) | 2009-07-01 | 2009-07-01 | External mesh type electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201430501Y true CN201430501Y (en) | 2010-03-24 |
Family
ID=42034240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201439190U Expired - Fee Related CN201430501Y (en) | 2009-07-01 | 2009-07-01 | External mesh type electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201430501Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112104150A (en) * | 2020-09-17 | 2020-12-18 | 深圳市库沃科技有限公司 | Motor reduction box clutch |
| CN112510893A (en) * | 2020-11-30 | 2021-03-16 | 江苏苏美达五金工具有限公司 | Hybrid excitation brushless direct current motor |
| CN115051512A (en) * | 2022-06-17 | 2022-09-13 | 江苏华源防爆电机有限公司 | Permanent magnet motor |
-
2009
- 2009-07-01 CN CN2009201439190U patent/CN201430501Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112104150A (en) * | 2020-09-17 | 2020-12-18 | 深圳市库沃科技有限公司 | Motor reduction box clutch |
| CN112510893A (en) * | 2020-11-30 | 2021-03-16 | 江苏苏美达五金工具有限公司 | Hybrid excitation brushless direct current motor |
| CN115051512A (en) * | 2022-06-17 | 2022-09-13 | 江苏华源防爆电机有限公司 | Permanent magnet motor |
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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: 20100324 Termination date: 20120701 |