CN102261397A - Roller type one-way clutch, manufacturing method thereof and starting motor thereof - Google Patents
Roller type one-way clutch, manufacturing method thereof and starting motor thereof Download PDFInfo
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- CN102261397A CN102261397A CN2011101528054A CN201110152805A CN102261397A CN 102261397 A CN102261397 A CN 102261397A CN 2011101528054 A CN2011101528054 A CN 2011101528054A CN 201110152805 A CN201110152805 A CN 201110152805A CN 102261397 A CN102261397 A CN 102261397A
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- roller
- radial
- slide
- gear shaft
- way clutch
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
- F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
- F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
- F02N15/062—Starter drives
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
- F02N15/022—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
- F02N15/023—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the overrunning type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
- F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
- F02N15/043—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer
- F02N15/046—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the gearing including a speed reducer of the planetary type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
- F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
- F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
- F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
- F02N15/067—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement the starter comprising an electro-magnetically actuated lever
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a roller type one-way clutch and a starting motor with the roller type one-way clutch. The invention also discloses a manufacturing method for the roller type one-way clutch, and relate to the technical field of motors. The roller type one-way clutch comprises a gear shaft, a sliding seat and a roller, wherein a wedge slot for accommodating the roller is arranged on the sliding seat; a radial support piece is arranged between the sliding seat and the gear shaft; and the radial support piece is used for bearing radial pressure formed when the roller operates. By the roller type one-way clutch, the rolling compaction of the gear shaft on the roller and the failure of the roller type one-way clutch due to the rolling compaction are prevented, the service life of the roller type one-way clutch is prolonged, and the operating stability of the roller type one-way clutch is improved.
Description
Technical field
The present invention relates to actuating motor, specifically, relate to make the no nose retard start motor of engine start, especially relate to the roller-type one way clutch in the no nose retard start motor, also relate to the manufacture method of roller-type one way clutch.
Background technique
Existing no nose retard start electric machine structure has as shown in Figure 1, the live axle 3 of the speed reducer that comprise motor 1, is connected with motor 1 carry out the spline combination roller-type one way clutch 2, with roller-type one way clutch 2 its axially movable actuation gear 5 and relay 9 in gear shaft 21 upper edges integratedly.Relay 9 contacts one closure, electric current promptly flows into pull in winding 11 and hold-in winding 10, and attracts moving unshakable in one's determination 8 to promote the magnetic switch 13 that movable contact dish 12 moves to stationary contact 14 sides under the magnetic field of its generation.Along with moving of moving iron core 8, shift fork 7 is transferred to roller-type one way clutch 2 and actuation gear 5 to flywheel ring gear 6 directions of motor.
The current drives motor 1 that utilization is flowed through relay 9 and pull in winding 11, and the magnetic field suction moving unshakable in one's determination 8 of using the pull in winding 11 that takes place because of electric current and hold-in winding 10 to form, pushing actuation gear 5 and flywheel ring gear 6 engagements, in the moment of actuation gear 5 and flywheel ring gear 6 basic engagements, movable contact dish 12 is connected with stationary contact 14, and, make engine start to motor 1 energising.
Above-mentioned no nose formula retard start motor, its roller-type one way clutch adopt in notice of authorization on July 29th, 2009, patent No. ZL 200820122421.1, name is called the disclosed structure of Chinese utility model patent of " having spring-supported roller-type one way clutch ", actuating motor because there is pressure angle in actuation gear, can cause gear shaft 21 to be subjected to radially component in the course of the work, and pressure angle is big more, and component is just big more.Consult Fig. 2, Fig. 2 is the stressed sketch that at present no nose formula retarding starter adopts the gear shaft of " ZL 200820122421.1 " disclosed roller-type one way clutch, wherein F is the radial load that actuating motor working procedure middle gear axle is subjected to, T1 is for driving the radial support power of end cap bearing to gear shaft, T2 is the radial support power of the roller of overrunning clutch to gear shaft, L1 is live axle point a that is subjected to radial load F and the distance that drives end cap bearings point b, L2 for driving end cap bearings point b to the roller of overrunning clutch to the distance between the strong point c of gear shaft.Then:
As seen, when the moment that actuation gear 5 and flywheel ring gear 6 mesh fully, when promptly overrunning clutch 2 is released maximum position by shift fork 7,
Reach maximum value, this moment, F was very big in addition, so T2 is bigger, and promptly the radial effect power between roller and gear shaft is bigger, causes surface of contact conquassation or wearing and tearing between gear shaft, roller and the slide easily.Therefore, though existing have spring-supported roller-type one way clutch and avoided the roller of roller-type one way clutch directly to contact with spring, effectively reduced the failure rate of overrunning clutch, prolonged the working life of starter motor, but roller-type one way clutch because being subjected to the failure mode that radial component causes, roller does not have improvement in the course of the work.
Just because of this, existing actuating motor has following problem:
1, actuating motor is under improper service condition, the situation that the time that drags is long, moment is big, impact is strong appears, the phenomenon of skewness can appear in each roller under the radial pressure of gear shaft, cause gear shaft only with indivedual several even single roller radial fit, cause the surperficial conquassation of conquassation of gear shaft matching surface or roller and slide, finally cause overrunning clutch to skid or stuck inefficacy;
2, overrunning clutch the phenomenon that roller tilts occurs in assembling or working procedure, makes that supporting structure stability is destroyed, thereby causes overrunning clutch maximum load capacity square to descend, and overrunning clutch is prone to and skids or stuck;
3, owing to specific structure and specific service condition, cause the coaxality variation of gear shaft and slide, internal heat accumulative total in the working procedure, grease is dried-up, and is stuck when easily causing overrunning clutch to surmount;
4, because gear shaft and slide coaxality in the course of the work changes greatly, cause the sealing between gear shaft and the cover cap to reduce, grease runs off or volatilization, causes the overrunning clutch lost of life.
Summary of the invention
Technical problem to be solved by this invention provides a kind of roller-type one way clutch, with reduce roller-type one way clutch in the course of the work since roller be subjected to inefficacy that radial component caused may.
To achieve these goals, a kind of roller-type one way clutch provided by the invention, comprise gear shaft, slide and be arranged on slide and gear shaft between roller, has the wedge slot that holds described roller on the described slide, between described slide and the described gear shaft radial supporter is set also, described radial supporter is used to share described roller suffered radial pressure when work, the suffered radial pressure of described roller is reduced or only is subjected to force of rolling friction.
Above-mentioned roller-type one way clutch, wherein, described radial supporter has outer rim and endoporus, described outer rim and described slide transition or interference fit, described endoporus and described gear shaft Spielpassung, and when described outer rim and described slide transition fit, the minimum clearance amount of roller and gear shaft when the radial clearance amount between described endoporus and described gear shaft adds radial clearance amount sum between described outer rim and described slide and is positioned at the wedge slot maximum region less than roller; When described outer rim and described slide interference fit, the minimum clearance amount of roller and gear shaft when the radial clearance amount between described endoporus and described gear shaft is positioned at the wedge slot maximum region less than roller.
Above-mentioned roller-type one way clutch, wherein, described radial supporter is arranged at the opening end of described slide.
Above-mentioned roller-type one way clutch, wherein, the end away from described slide of described radial supporter is provided with cover cap, and described cover cap is connected with described slide with described radial supporter simultaneously.
Above-mentioned roller-type one way clutch, wherein, described radial supporter is arranged at the root position of described slide, and described root position is corresponding to described gear the tip of the axis, and the opening end of described slide is connected with cover plate and cover cap.
Above-mentioned roller-type one way clutch, wherein, described radial supporter comprises first radial supporter and second radial supporter, described first radial supporter is arranged at the opening end of described slide, described second radial supporter is arranged at the root position of described slide, and described root position is corresponding to described gear the tip of the axis.
Above-mentioned roller-type one way clutch, wherein, the end away from described slide of described first radial supporter is provided with cover cap, and described cover cap is connected with described slide with described first radial supporter simultaneously.
Above-mentioned roller-type one way clutch wherein, is provided with dividing plate between described radial supporter and the described roller end.
Above-mentioned roller-type one way clutch wherein, is provided with dividing plate between described first radial supporter and the described roller end.
Above-mentioned roller-type one way clutch, wherein, described radial supporter comprise the radial supporter main body and with the friction tight support cover plate of described radial supporter main body, described endoporus is arranged on the radial supporter main body, the outer rim of described support cover plate and described slide transition or interference fit.
Above-mentioned roller-type one way clutch, wherein, the end away from described slide of described radial supporter main body is provided with cover cap, and described cover cap is connected with described slide with described support cover plate simultaneously.
Further, the present invention also provides a kind of actuating motor, the actuation gear that it comprises motor, the speed reducer that is connected with motor, be configured in overrunning clutch on the live axle of speed reducer, slide on described live axle integratedly with overrunning clutch, wherein, overrunning clutch is above-mentioned roller-type one way clutch.
Further, the present invention also provides the manufacture method of above-mentioned roller-type one way clutch, this method comprises the gear shaft step is set, setting has the step of the slide of wedge slot, assembling gear axle and slide step, the step of roller is set between slide and gear shaft, also be included in the step that radial supporter is set between slide and the gear shaft, described radial supporter is used to share described roller suffered radial pressure when work, the suffered radial pressure of described roller is reduced or only is subjected to force of rolling friction.
The manufacture method of above-mentioned roller-type one way clutch, wherein, between being set forth in slide and gear shaft, be provided with in the step of radial supporter, comprise being provided with and have the radial supporter step of outer rim and endoporus, with described outer rim and described slide transition or interference fit step, with described endoporus and described gear shaft Spielpassung step, and when described outer rim and described slide transition fit, the minimum clearance amount of roller and gear shaft when the radial clearance amount between described endoporus and described gear shaft adds radial clearance amount sum between described outer rim and described slide and is positioned at the wedge slot maximum region less than roller, when described outer rim and described slide interference fit, the minimum clearance amount of roller and gear shaft when the radial clearance amount between described endoporus and described gear shaft is positioned at the wedge slot maximum region less than roller.
Beneficial functional of the present invention is, radial supporter is set in roller-type one way clutch, roller is born by radial supporter the support force of gear shaft, thereby the overrunning clutch of having avoided gear shaft to roll roller and having caused thus lost efficacy, and had prolonged the life-span of overrunning clutch and had improved its working stability.
After using roller-type one way clutch of the present invention on the actuating motor, because the overrunning clutch failure rate reduces, the armature that causes thus is diffusing to be arranged and switch such as burns at failure mode thereby can reduce.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the sectional view of unitary construction of the actuating motor of prior art;
Fig. 2 is the roller-type one way clutch stressed sketch in the course of the work among Fig. 1;
Fig. 3 is the sectional view of the unitary construction of actuating motor of the present invention;
Fig. 4 is the roller-type one way clutch stressed sketch in the course of the work of actuating motor of the present invention;
Fig. 5 is the sectional view of the roller-type one way clutch of the first embodiment of the present invention;
Fig. 6 is the A-A sectional view among Fig. 5;
Fig. 7 is the sectional view of the roller-type one way clutch of the second embodiment of the present invention;
Fig. 8 is the sectional view of the roller-type one way clutch of the third embodiment of the present invention;
Fig. 9 is the sectional view of the roller-type one way clutch of the fourth embodiment of the present invention;
Figure 10 is the sectional view of the roller-type one way clutch of the fifth embodiment of the present invention;
Figure 11 is the sectional view of the roller-type one way clutch of the sixth embodiment of the present invention;
Figure 12 is the sectional view of the roller-type one way clutch of the seventh embodiment of the present invention.
Wherein, reference character
The 1-motor
The 2-roller-type one way clutch
The 21-gear shaft
The 22-slide
The 221-wedge slot
The 23-roller
The 24-spring
The 25-spring supports
The 26-grease
The 27-radial supporter
271-radial supporter main body
272-supports cover plate
The 28-radial supporter
The 29-cover cap
The 210-cover plate
The 211-dividing plate
The 3-live axle
The 5-actuation gear
The 6-flywheel ring gear
The 7-shift fork
8-is moving unshakable in one's determination
The 9-relay
The 10-hold-in winding
The 11-pull in winding
12-movable contact dish
The 13-magnetic switch
The 14-stationary contact
Embodiment
Below in conjunction with the drawings and specific embodiments technical solution of the present invention being described in detail, further understanding purpose of the present invention, scheme and effect, but is not the restriction as claims protection domain of the present invention.
Consult the sectional view of the unitary construction of Fig. 3 actuating motor of the present invention, as shown in the figure, actuating motor structure of the present invention and actuating motor structure of the prior art are roughly the same, unique difference is the structure difference of the roller-type one way clutch that adopts, below just in conjunction with a plurality of embodiments the structure of the roller-type one way clutch that is different from prior art is described in detail.
First embodiment
Consult Fig. 5 also in conjunction with consulting Fig. 6, roller type one way device clutch 2 comprises gear shaft 21, slide 22, roller 23, spring 24, spring support 25 and grease 26, wherein, gear shaft 21 is used to bear moment of torsion output, slide 22 and gear shaft 21 coaxial cooperation, has wedge slot 221 on the slide 22, roller 23 is placed in the wedge slot 221, roller 23 bear locked and skid the effect and in gear shaft 21 and 22 rollings of slide, 23 position-limiting actions of 24 pairs of rollers of spring, spring supports 25 pairs of springs 24 and 23 compartmentations of roller, and 26 pairs of roller type one way devices of grease clutch is lubricated.
Be subjected to radial effect power for fear of roller, thereby the overrunning clutch of avoiding gear shaft to roll roller and causing thus lost efficacy, opening end and gear shaft 21 middle parts at slide 22 are combined with radial supporter 27, at slide 22 roots and gear shaft 21 tip engages radial supporter 28 is arranged, and, end away from slide 22 of radial supporter 27 is provided with cover cap 29, cover cap 29 is connected with slide 22 with radial supporter 27 simultaneously, particularly, can slide 22 and radial supporter 27 be linked together by riveted joint.
In order to be different from the situation that a radial supporter only is set of back, radial supporter 27 is first radial supporter, radial supporter 28 is second radial supporter, in order to make roller 23 only when the actuating motor dish moves generator, be subjected to radial pressure, this first radial supporter 27 is by outer rim and slide 22 transition or interference fit on it, and by endoporus and gear shaft 21 Spielpassung on it, when first radial supporter 27 and slide 22 interference fit, the minimum clearance amount of roller and gear shaft when the radial clearance amount between endoporus and gear shaft is positioned at the wedge slot maximum region less than roller; When outer rim and slide transition fit, the radial clearance amount between endoporus and gear shaft adds the minimum clearance amount of radial clearance amount (this radial clearance amount may not exist) between outer rim and slide roller and gear shaft when sum is positioned at the wedge slot maximum region less than roller.This second radial supporter 28 is by outer rim and slide 22 transition or interference fit on it, and by endoporus and gear shaft 21 Spielpassung on it, when second radial supporter 28 and slide 22 interference fit, the minimum clearance amount of roller and gear shaft when the radial clearance amount between endoporus and gear shaft is positioned at the wedge slot maximum region less than roller; When outer rim and slide transition fit, radial clearance amount between endoporus and gear shaft adds the minimum clearance amount of radial clearance amount (this radial clearance amount may not exist) between outer rim and slide roller and gear shaft when sum is positioned at the wedge slot maximum region less than roller, and, the gear shaft end is provided with step-like annular groove, and gear shaft 21 is by this step-like annular groove and second radial supporter, 28 Spielpassung.
Above-mentioned first radial supporter 27 and second radial supporter 28 can be powder metallurgy oil-impregnated bearing, lining, rolling bearing or other any type of supporting elements of iron-based or copper base.
Referring to Fig. 4, in terms of existing technologies, roller is shared by first radial supporter 27 and second radial supporter 28 the radial support power T2 of gear shaft, and, the radial support power T2 ' that first radial supporter 27 is shared, the radial support power T2 that second radial supporter 28 is shared " with distance L 2 ' and distance L 2 " relevant, distance L 2 ' be to drive end cap bearings point b to the distance between the strong point c of 28 pairs of gear shafts of second radial supporter of overrunning clutch, distance L 2 " for driving end cap bearings point b to the distance between the strong point d of 27 pairs of gear shafts of first radial supporter of overrunning clutch.
Like this, in the actuating motor that adopts the present embodiment roller-type one way clutch, first radial supporter 27 and 28 pairs of gear shafts 21 of second radial supporter not only have the radial location effect, and gear shaft 21 amount of movement radially reduces in the course of the work, impact force can not passed on the roller 23 (promptly, shared roller suffered radial pressure when work, the suffered radial pressure of roller is reduced or only be subjected to force of rolling friction).Roller 23 only is subjected to a small amount of radial pressure when the actuating motor dish moves motor; when starter motor is surmounted; roller 23 enters the big end of the wedge slot 221 of slide 22, is not subjected to any power except that force of rolling friction, has well protected roller 23 and gear shaft 21 not by conquassation.In addition, the side-play amount of gear shaft 21 relative slides 22 reduces when actuation gear 5 is subjected to impacting, and the sealing of overrunning clutch is strengthened, and internal grease is difficult for running off, and has improved the working life and the reliability of overrunning clutch.
Second embodiment
Consult the sectional view of the roller-type one way clutch of Fig. 7 second embodiment of the present invention, in the present embodiment, structure among the structure of roller-type one way clutch and first embodiment is roughly the same, different is, in the present embodiment, removed first radial supporter 27, promptly, only radial supporter 28 is arranged at slide 22 roots and gear shaft 21 terminal radial fit, in addition, in order to satisfy the radial location requirement, the opening end of slide 22 is connected with cover plate 210 and cover cap 29,210 axially locating of this cover plate and seal action.
Other structure of relevant present embodiment, since identical with first embodiment's structure, give unnecessary details with regard to seldom doing at this.
The 3rd embodiment
Consult the sectional view of the roller-type one way clutch of Fig. 8 third embodiment of the present invention, in the present embodiment, structure among the structure of roller-type one way clutch and first embodiment is roughly the same, different is, in the present embodiment, removed second radial supporter 28, that is, only opening end and the gear shaft 21 middle part outer rims at slide 22 are combined with radial supporter 27.
Other structure of relevant present embodiment, since identical with first embodiment's structure, give unnecessary details with regard to seldom doing at this.
The 4th embodiment
Consult the sectional view of the roller-type one way clutch of Fig. 9 fourth embodiment of the present invention, in the present embodiment, structure among the structure of roller-type one way clutch and first embodiment is roughly the same, different is, in the present embodiment, removed second radial supporter 28, that is, only opening end and the gear shaft 21 middle part outer rims at slide 22 are combined with radial supporter 27.And, also removed cover cap 29.Certainly, do not come off in the course of the work in order to guarantee radial supporter 27, radial supporter 27 must be riveted together with slide 22 in interference.
Other structure of relevant present embodiment, since identical with first embodiment's structure, give unnecessary details with regard to seldom doing at this.
The 5th embodiment
Consult the sectional view of the roller-type one way clutch of Figure 10 fifth embodiment of the present invention, in the present embodiment, the structure among the structure of roller-type one way clutch and first embodiment is roughly the same, and different is in the present embodiment, to have removed cover cap 29.Certainly, do not come off in the course of the work in order to guarantee radial supporter 27, radial supporter 27 must be riveted together with slide 22 in interference.
Other structure of relevant present embodiment, since identical with first embodiment's structure, give unnecessary details with regard to seldom doing at this.
The 6th embodiment
Consult the sectional view of the roller-type one way clutch of Figure 11 sixth embodiment of the present invention, in the present embodiment, structure among the structure of roller-type one way clutch and first embodiment is roughly the same, different is, in the present embodiment, removed second radial supporter 28, promptly, only opening end and the gear shaft 21 middle part cylindricals at slide 22 are combined with radial supporter 27, and, radial supporter 27 comprise radial supporter main body 271 (this radial supporter main body 271 is bearing in reality is used) and with radial supporter main body 271 friction tight support cover plates 272, radial supporter main body 271 is provided with endoporus, the endoporus of this radial supporter main body 271 and gear shaft 21 Spielpassung, support cover plate 272 by its outer rim and slide 22 transition or interference fit, when supporting cover plate 272 with slide 22 transition fit, the minimum clearance amount of the radial clearance amount (this radial clearance amount may not exist) that the radial clearance amount that the endoporus of radial supporter main body 271 and gear shaft are 21 adds 22 of support cover plate 272 outer rims and slides roller and gear shaft when sum is positioned at the wedge slot maximum region less than roller; When supporting cover plate 272 with slide 22 interference fit, the minimum clearance amount of roller and gear shaft when the radial clearance amount that radial supporter main body 271 and gear shaft are 21 is positioned at the wedge slot maximum region less than roller.End away from slide 22 of radial supporter main body 271 is provided with cover cap 29, and cover cap 29 is connected with slide 22 with support cover plate 272 simultaneously.
Other structure of relevant present embodiment, since identical with first embodiment's structure, give unnecessary details with regard to seldom doing at this.
The 7th embodiment
Consult the sectional view of the roller-type one way clutch of Figure 12 seventh embodiment of the present invention, in the present embodiment, structure among the structure of roller-type one way clutch and first embodiment is roughly the same, different is, in the present embodiment, be provided with dividing plate 211 between first radial supporter 27 and roller 23 ends, this dividing plate 211 and gear shaft 21 also Spielpassung.
The steel plate of dividing plate 211 for quenching in order to guarantee that roller 23 does not directly contact with 27 of first radial supporters, prevents that first radial supporter 27 from being worn and torn by roller 23.
Other structure of relevant present embodiment, since identical with first embodiment's structure, give unnecessary details with regard to seldom doing at this.
In addition, the setting of relevant dividing plate not only is confined to the usage mode among the 7th embodiment, as, can between radial supporter 27 among the 3rd embodiment, the 4th embodiment and the 5th embodiment and roller 23 ends, dividing plate be set.
Because adopt the roller-type one way clutch of said structure, actuating motor of the present invention can have following advantage:
The radial component of the impact force that produces when 1, actuation gear contacts with flywheel ring gear can not pass to the roller of overrunning clutch, helps prolonging the life-span of overrunning clutch and improves its working stability.
Because the radial component of the high-frequency percussion power that running clearance produces can not pass to the roller of overrunning clutch, help prolonging the life-span of overrunning clutch and improve its working stability when 2, actuation gear drags flywheel ring gear.
3, actuation gear can not passed to the roller of overrunning clutch by the radial component of the impact force that flywheel ring gear is counter to be produced when dragging, and helps prolonging the life-span of overrunning clutch and improves its working stability.
4, the side-play amount of the slide of the relative overrunning clutch of gear shaft reduces when actuation gear is subjected to impacting, and the sealing of overrunning clutch is strengthened, and internal grease can not run off, and has improved the working life and the reliability of overrunning clutch.
5, effectively reduce the overrunning clutch failure rate, and decreased the armature that causes the thus failure modes such as row and switch burn of loosing.
Above-mentioned roller-type one way clutch during fabrication, except comprising the roller-type one way clutch manufacturing step that is same as prior art, also be included in the step that radial supporter is set between slide and the gear shaft, the radial supporter that is provided with is used to share roller suffered radial pressure when work, the suffered radial pressure of roller is reduced or only is subjected to force of rolling friction.
In order to make roller when working, only be subjected to force of rolling friction, when the assembling radial supporter, between being set forth in slide and gear shaft, be provided with in the step of radial supporter, comprise being provided with and have the radial supporter step of outer rim and endoporus, with outer rim and slide transition or interference fit step, with endoporus and gear shaft Spielpassung step, and when outer rim and slide transition fit, the minimum clearance amount of roller and gear shaft when the radial clearance amount between endoporus and gear shaft adds radial clearance amount sum between outer rim and slide and is positioned at the wedge slot maximum region less than roller, when outer rim and slide interference fit, the minimum clearance amount of roller and gear shaft when the radial clearance amount between endoporus and gear shaft is positioned at the wedge slot maximum region less than roller.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (14)
1. roller-type one way clutch, comprise gear shaft, slide and be arranged on slide and gear shaft between roller, has the wedge slot that holds described roller on the described slide, it is characterized in that, between described slide and the described gear shaft radial supporter is set also, described radial supporter is used to share described roller suffered radial pressure when work, the suffered radial pressure of described roller is reduced or only is subjected to force of rolling friction.
2. roller-type one way clutch according to claim 1, it is characterized in that, described radial supporter has outer rim and endoporus, described outer rim and described slide transition or interference fit, described endoporus and described gear shaft Spielpassung, and when described outer rim and described slide transition fit, the minimum clearance amount of roller and gear shaft when the radial clearance amount between described endoporus and described gear shaft adds radial clearance amount sum between described outer rim and described slide and is positioned at the wedge slot maximum region less than roller; When described outer rim and described slide interference fit, the minimum clearance amount of roller and gear shaft when the radial clearance amount between described endoporus and described gear shaft is positioned at the wedge slot maximum region less than roller.
3. roller-type one way clutch according to claim 2 is characterized in that described radial supporter is arranged at the opening end of described slide.
4. roller-type one way clutch according to claim 3 is characterized in that, the end away from described slide of described radial supporter is provided with cover cap, and described cover cap is connected with described slide with described radial supporter simultaneously.
5. roller-type one way clutch according to claim 2 is characterized in that described radial supporter is arranged at the root position of described slide, and described root position is corresponding to described gear the tip of the axis, and the opening end of described slide is connected with cover plate and cover cap.
6. roller-type one way clutch according to claim 2, it is characterized in that, described radial supporter comprises first radial supporter and second radial supporter, described first radial supporter is arranged at the opening end of described slide, described second radial supporter is arranged at the root position of described slide, and described root position is corresponding to described gear the tip of the axis.
7. roller-type one way clutch according to claim 6 is characterized in that, the end away from described slide of described first radial supporter is provided with cover cap, and described cover cap is connected with described slide with described first radial supporter simultaneously.
8. roller-type one way clutch according to claim 3 is characterized in that, is provided with dividing plate between described radial supporter and the described roller end.
9. roller-type one way clutch according to claim 6 is characterized in that, is provided with dividing plate between described first radial supporter and the described roller end.
10. roller-type one way clutch according to claim 2, it is characterized in that, described radial supporter comprise the radial supporter main body and with the friction tight support cover plate of described radial supporter main body, described endoporus is arranged on the radial supporter main body, the outer rim of described support cover plate and described slide transition or interference fit.
11. roller-type one way clutch according to claim 10 is characterized in that, the end away from described slide of described radial supporter main body is provided with cover cap, and described cover cap is connected with described slide with described support cover plate simultaneously.
12. actuating motor, overrunning clutch on the live axle that comprise motor, the speed reducer that is connected with described motor, is configured in described speed reducer, with the actuation gear that described overrunning clutch slides on described live axle integratedly, described overrunning clutch is any described roller-type one way clutch among the claim 1-11.
13. the manufacture method of a roller-type one way clutch, comprise the gear shaft step is set, setting has the step of the slide of wedge slot, assembling gear axle and slide step, the step of roller is set between slide and gear shaft, it is characterized in that, also be included in the step that radial supporter is set between slide and the gear shaft, described radial supporter is used to share described roller suffered radial pressure when work, the suffered radial pressure of described roller is reduced or only is subjected to force of rolling friction.
14. the manufacture method of roller-type one way clutch according to claim 13, it is characterized in that, between being set forth in slide and gear shaft, be provided with in the step of radial supporter, comprise being provided with and have the radial supporter step of outer rim and endoporus, with described outer rim and described slide transition or interference fit step, with described endoporus and described gear shaft Spielpassung step, and when described outer rim and described slide transition fit, the minimum clearance amount of roller and gear shaft when the radial clearance amount between described endoporus and described gear shaft adds radial clearance amount sum between described outer rim and described slide and is positioned at the wedge slot maximum region less than roller, when described outer rim and described slide interference fit, the minimum clearance amount of roller and gear shaft when the radial clearance amount between described endoporus and described gear shaft is positioned at the wedge slot maximum region less than roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101528054A CN102261397B (en) | 2011-06-09 | 2011-06-09 | Roller type one-way clutch, manufacturing method thereof and starting motor thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101528054A CN102261397B (en) | 2011-06-09 | 2011-06-09 | Roller type one-way clutch, manufacturing method thereof and starting motor thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN102261397A true CN102261397A (en) | 2011-11-30 |
| CN102261397B CN102261397B (en) | 2013-01-30 |
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| CN2011101528054A Active CN102261397B (en) | 2011-06-09 | 2011-06-09 | Roller type one-way clutch, manufacturing method thereof and starting motor thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104767315A (en) * | 2014-01-03 | 2015-07-08 | 北京佩特来电器有限公司 | Nose-free starting motor for wet engines and oil sealing structure thereof |
| CN112104150A (en) * | 2020-09-17 | 2020-12-18 | 深圳市库沃科技有限公司 | Motor reduction box clutch |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102261397B (en) | 2013-01-30 |
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Effective date of registration: 20200428 Address after: 101118, No. 3 South Street, little fort village, Songzhuang Town, Beijing, Tongzhou District Co-patentee after: PRESTOLITE ELECTRIC (WEIFANG) Ltd. Patentee after: PRESTOLITE ELECTRIC (BEIJING) Ltd. Address before: 101118 Songzhuang Town, Tongzhou District, Beijing, Tongzhou District Patentee before: PRESTOLITE ELECTRIC (BEIJING) Ltd. |