CN102386716B - Starting motor - Google Patents
Starting motor Download PDFInfo
- Publication number
- CN102386716B CN102386716B CN201110392151.2A CN201110392151A CN102386716B CN 102386716 B CN102386716 B CN 102386716B CN 201110392151 A CN201110392151 A CN 201110392151A CN 102386716 B CN102386716 B CN 102386716B
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- China
- Prior art keywords
- torsion output
- torque converter
- output chip
- engine flywheel
- gear wheel
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Abstract
The invention provides a starting motor and relates to a motor. At present, an industry typical starting motor is worn quickly, has low reliability, is easy to be out of operation and can produce a big noise. The starting motor provided by the invention comprises a motor and is characterized by also comprising a driving assembly axially connected with the motor, a torque converter which is connected with the driving assembly to rotate along with the driving assembly, a torque output piece one end of which is connected to the torque converter, an unfolding assembly used for unfolding the torque output piece, a return spring which is arranged between the torque converter and the torque output piece and causes the torque output piece to reset and an engine flywheel which can collide with the torque output piece to cause the torque output piece to drive the engine flywheel to rotate, wherein the engine flywheel is provided with a pushed part, and the torque output piece changes a rotating angle and increases length extending outside the torque converter by virtue of the unfolding assembly, so that the torque output piece collides with the pushed part of the engine flywheel to drive the engine flywheel to rotate. According to the technical scheme adopted by, the structure is simple, the torque output piece can be meshed with the engine flywheel accurately and reliably, and noise during operation can be effectively reduced.
Description
Technical field
The present invention relates to a kind of starter motor.
Background technology
At present, in industry, typical starter motor (seeing accompanying drawing 1) structure is that motor 1 output is with a gear 4 and driving chip 2 by spline 3, when starting, motor 1 provide moment of inertia to gear 4 and driving chip 2, gear 4 and driving chip 2 eject by spline 3 and engine flywheel meshes, rely on the friction of the rubber adhering on driving chip 2 and gear 4 to transmit torsion, thereby start engine.After engine start, motor power-off, back into original position to the reaction force of gear 4 and driving chip 2 gear 4 and driving chip 2 by spring 5 and engine flywheel, and motor completes the work of one-period.There is four problems in this typical structure, because the position of motor gear and engine flywheel is random, cause the situation that often has motor gear end face to withstand engine flywheel end face to occur, can not normally mesh, at this moment the most common in industry, also be the most scabrous problem, moreover, even normally engagement, mutual high-speed motion between motor gear and engine flywheel, cause motor gear and engine flywheel quick abrasion, reliability is low, be easy to lose efficacy, the easy oil-feed fat of contact-making surface or the dust of the rubber adhering on driving chip and gear, cause driving mechanism to skid or torsion little, cannot start engine, finally, between motor gear and engine flywheel, high-speed motion causes very large noise mutually.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition is that prior art scheme is improved and improved, and starter motor is provided, to reach accurately engagement, reliable operation, object that noise is low.For this reason, the present invention takes following technical scheme.
Starter motor, comprise motor, it is characterized in that: it also comprises with motor shaft and is connected driven unit, be connected to follow the torque converter of its rotation with driven unit, the torsion output chip of one end switching on torque converter, for opening the assembly that opens of torsion output chip, between torque converter and torsion output chip, make the return spring of torsion output chip return and can collide with torsion output chip so that torsion output chip drives the engine flywheel of its rotation, described engine flywheel is established pushed part, torsion output chip changes corner and increases the outer length that stretches in torque converter and make the pushed part of itself and engine flywheel collide to drive engine flywheel to rotate by opening assembly.In the technical program, torsion output chip can be one or more.When electric motor starting, pinion and machine shaft rotate simultaneously, the gear wheel of drive and pinion engagement rotates around fixed axis, gear wheel drives torque converter around fixed axis, to rotate simultaneously, torque converter drives torsion output chip synchronously to rotate, opening assembly opens torsion output chip, coordinate with engine flywheel pushed part, drive engine, thereby ato unit, after engine start, motor power-off, engine flywheel and return spring impose on the reaction force acts of torsion output chip jointly on torsion output chip, torsion output chip is sent back to make position, disconnect and engine flywheel cooperation, engine operation.The technical program is simple in structure, and torsion output chip and engine flywheel engagement accurately, reliably, effectively reduce operating noise.
As the further of technique scheme improved and supplemented, the present invention also comprises following additional technical feature.
Described open that assembly comprises friction lid, spring and through the screw being spirally connected with fixed axis after friction lid and spring, described friction is covered with can collide with torsion output chip so that its bumping post opening.Spring handle friction lid and screw end face press together, and making has frictional force between friction lid and screw end face.When electric motor starting, torque converter drives torsion output chip synchronously to rotate, at this moment friction lid is static, between friction lid and torsion output chip, has mutual motion, encounters friction cover after bumping post when torsion output chip, torsion output chip is opened, coordinate with engine flywheel pushed part, drive engine, thus ato unit, at this moment torsion output chip is applied to the thrust that friction covers projection bumping post and is greater than the frictional force between friction lid and screw end face, and friction lid and torsion output chip synchronously rotate.Its simple in structure, reliable operation, torsion output chip can accurately and reliably match with engine flywheel, and noise is low, the life-span is long, and friction lid is adjustable, easy to adjust with the frictional force of screw, improves operation flexibility.
Described driven unit comprises the pinion that is connected with motor shaft, with the gear wheel of pinion engagement, be positioned at the fixed axis at gear wheel middle part, described torque converter is socketed on fixed axis and with gear wheel and is connected.
Described gear wheel and torque converter are integral type structure or split-type structural.
Described gear wheel, torque converter, friction lid are socketed on fixed axis successively; The torque converter side periphery of facing of friction lid is extended with back-up ring, and back-up ring has retaining groove, and described torsion output chip stretches in retaining groove outward, and the friction lid end face of retaining groove inner side is provided with described bumping post.
Described engine flywheel is tubular, and its inwall is established with a plurality of uniform grooves as the pushed part matching with torsion output chip.
Transducer is provided with two torsion output chips, and described friction is covered with two bumping posts and two corresponding retaining grooves.
Torsion output chip outer end is bent to form pawls, and after torsion output chip opens, the sidewall of pawl end and the groove of torsion output chip is collided.
The connecting portion of evagination is established at described gear wheel middle part, and described torque converter is provided with the link slot matching with gear wheel connecting portion, and the connecting portion of gear wheel embeds in the link slot of torque converter; Described torque converter periphery is provided with two outwardly open torsion output chip holding tanks, is provided with pin-and-hole in holding tank, and torsion output chip is transferred by the pin-and-hole of bearing pin and torque converter.
Between described gear wheel and fixed axis, be provided with bearing.
Beneficial effect: the technical program is simple in structure, torsion output chip and engine flywheel engagement accurately, reliably, effectively reduce operating noise, and friction lid is adjustable, easy to adjust with the frictional force of screw, improves operation flexibility.
Accompanying drawing explanation
Fig. 1 is prior art structural representation;
Fig. 2 is perspective view of the present invention;
Fig. 3 is that the present invention removes the perspective view after partial shell;
Fig. 4 opens assembly sectional structure schematic diagram;
Fig. 5 is invention explosion structural representation;
Fig. 6 is engine flywheel structural representation.
In figure: 1-motor, 2-driving chip, 3-spline, 4-gear, 5-spring, 6-driven unit, 7-opens assembly, 8-pinion, 9-gear wheel, 10-return spring, 11-torsion output chip, 12-torque converter, 13-fixed axis, the 14-lid that rubs, 15-screw, 16-spring, 17-engine flywheel.
Embodiment
Below in conjunction with Figure of description, technical scheme of the present invention is described in further detail.
Embodiment mono-: as Fig. 2, 3, shown in 5, the present invention includes motor 1, be connected driven unit 6 with motor 1 axle, be connected to follow the torque converter 12 of its rotation with driven unit 6, one end switching at least one torsion output chip 11 on torque converter 12, for what open torsion output chip 11, open assembly 7, between torque converter 12 and torsion output chip 11, make the return spring 10 of torsion output chip 11 returns and can collide with torsion output chip 11 so that torsion output chip 11 drives the engine flywheel 17 of its rotation, engine flywheel 17 is established pushed part, torsion output chip 11 changes corners and increases the outer length that stretches in torque converter 12 and make itself and the pushed part of engine flywheel 17 collide to drive engine flywheel 17 rotations by opening assembly 7.Described driven unit 6 comprises the pinion 8 that is connected with motor 1 axle, with the gear wheel 9 of pinion 8 engagements, be positioned at the fixed axis 13 at gear wheel 9 middle parts, described torque converter 12 is socketed on fixed axis 13 and with gear wheel 9 and is connected.As shown in Figure 4, open that assembly 7 comprises that friction cover 14, spring 16 and cover 14 and spring 16 is rear and fixed axis 13 is spirally connected screw 15 through friction, described friction is covered 14 and is provided with and can collides with torsion output chip 11 so that its bumping post opening.Gear wheel 9 and torque converter 12 split-type structurals.Gear wheel 9, torque converter 12, friction are covered 14 and are socketed in successively on fixed axis 13; Friction cover 14 be extended with back-up ring in the face of torque converter 12 side peripheries, back-up ring has retaining groove, the outer retaining groove that stretches in of described torsion output chip 11, the bumping post of 14 end faces described in being provided with covered in the friction of retaining groove inner side.In this enforcement, torque converter 12 is provided with two torsion output chips 11, and described friction lid 14 is provided with two bumping posts and two corresponding retaining grooves.Torsion output chip 11 outer ends are bent to form pawls, and after torsion output chip 11 opens, the sidewall of pawl end and the groove of torsion output chip 11 is collided.The connecting portion of evagination is established at described gear wheel 9 middle parts, and described torque converter 12 is provided with the link slot matching with gear wheel 9 connecting portions, and the connecting portion of gear wheel 9 embeds in the link slot of torque converter 12; Described torque converter 12 peripheries are provided with two outwardly open torsion output chip 11 holding tanks, are provided with pin-and-hole in holding tank, and torsion output chip 11 is transferred at torsion output chip 11 holding tanks of torque converter 12 by bearing pin.Between described gear wheel 9 and fixed axis 13, be provided with bearing.
As shown in Figure 6, described engine flywheel 17 is tubular, and its inwall is established with a plurality of uniform grooves as the pushed part matching with torsion output chip 11.
Operation principle: when motor 1 starts, pinion 8 and motor 1 axle rotate simultaneously, the gear wheel 9 of drive and pinion 8 engagements rotates around fixed axis 13, gear wheel 9 drives torque converter 12 around fixed axis 13, to rotate simultaneously, torque converter 12 drives torsion output chip 11 synchronously to rotate, spring 16 friction cover 14 and screw 15 end faces press together, make friction cover 14 and screw 15 end faces between have frictional force, at this moment it is static that friction covers 14, friction cover 14 and torsion output chip 11 between have mutual motion, when torsion output chip 11 is encountered friction while covering the bumping post of 14 upper process, torsion output chip 11 is opened, with engine flywheel 17 groove fit, drive engine, thereby ato unit, at this moment torsion output chip 11 be applied to thrust that friction cover 14 upper process bumping posts be greater than rub cover 14 and screw 15 end faces between frictional force, friction cover 14 and torsion output chip 11 synchronously rotate.After engine start, motor 1 power-off, engine flywheel 17 imposes on the reaction force of torsion output chip 11 and the elastic force of return spring 10 acts on torsion output chip 11 simultaneously, and torsion output chip 11 is sent back to make position, disconnect and engine flywheel 17 cooperations engine operation.
Embodiment bis-: be with embodiment mono-difference, gear wheel 9 and torque converter 12 are integral type structure, are convenient to assembling.
Claims (8)
1. starter motor, comprise motor (1), it is characterized in that: it also comprises the driven unit (6) being connected with motor (1) axle, be connected to follow the torque converter (12) of its rotation with driven unit (6), the torsion output chip (11) of one end switching on torque converter (12), what be used for opening torsion output chip (11) opens assembly (7), be positioned at and between torque converter (12) and torsion output chip (11), make the return spring (10) of torsion output chip (11) return and can collide with torsion output chip (11) so that torsion output chip (11) drives the engine flywheel (17) of its rotation, described engine flywheel (17) is established pushed part, torsion output chip (11) changes corner and increases the outer length that stretches in torque converter (12) and make itself and the pushed part of engine flywheel (17) collide to drive engine flywheel (17) rotation by opening assembly (7), described driven unit (6) comprises the pinion (8) that is connected with motor (1) axle, with the gear wheel (9) of pinion (8) engagement, be positioned at the fixed axis (13) at gear wheel (9) middle part, it is upper and be connected with gear wheel (9) that described torque converter (12) is socketed in fixed axis (13), described open that assembly (7) comprises friction lid (14), spring (16) and through after friction lid (14) and spring (16) and the screw (15) that is spirally connected of fixed axis (13), described friction is covered (14) and is provided with and can collides with torsion output chip (11) so that its bumping post opening.
2. starter motor according to claim 1, is characterized in that: described gear wheel (9) and torque converter (12) are integral type structure or split-type structural.
3. starter motor according to claim 2, is characterized in that: described gear wheel (9), torque converter (12), friction lid (14) are socketed on fixed axis (13) successively; Torque converter (12) the side periphery of facing of friction lid (14) is extended with back-up ring, and back-up ring has retaining groove, the outer retaining groove that stretches in of described torsion output chip (11), and friction lid (14) end face of retaining groove inner side is provided with described bumping post.
4. starter motor according to claim 3, is characterized in that: between described gear wheel (9) and fixed axis (13), be provided with bearing.
5. according to the starter motor described in claim 3 or 4, it is characterized in that: described engine flywheel (17) is tubular, its inwall is established with a plurality of uniform grooves as the pushed part matching with torsion output chip (11).
6. starter motor according to claim 5, is characterized in that: described torque converter (12) is provided with two torsion output chips (11), and described friction lid (14) is provided with two bumping posts and two corresponding retaining grooves.
7. starter motor according to claim 6, is characterized in that: torsion output chip (11) outer end is bent to form pawls, and after torsion output chip (11) opens, the sidewall of pawl end and the groove of torsion output chip (11) is collided.
8. starter motor according to claim 7, it is characterized in that: the connecting portion of evagination is established at described gear wheel (9) middle part, described torque converter (12) is provided with the link slot matching with gear wheel (9) connecting portion, and the connecting portion of gear wheel (9) embeds in the link slot of torque converter (12); Described torque converter (12) periphery is provided with two outwardly open torsion output chips (11) holding tank, is provided with pin-and-hole in holding tank, and torsion output chip (11) is by the pin-and-hole switching of bearing pin and torque converter (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110392151.2A CN102386716B (en) | 2011-12-01 | 2011-12-01 | Starting motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110392151.2A CN102386716B (en) | 2011-12-01 | 2011-12-01 | Starting motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102386716A CN102386716A (en) | 2012-03-21 |
| CN102386716B true CN102386716B (en) | 2014-03-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110392151.2A Expired - Fee Related CN102386716B (en) | 2011-12-01 | 2011-12-01 | Starting motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102386716B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6715786B2 (en) * | 2017-02-06 | 2020-07-01 | 株式会社エクセディ | Internal combustion engine start assist mechanism |
| CN108923582A (en) * | 2018-08-20 | 2018-11-30 | 隆鑫通用动力股份有限公司 | A kind of starting motor and engine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4528470A (en) * | 1983-05-27 | 1985-07-09 | Lucas Industries | Starter motor incorporating an epicyclic reduction gear mechanism |
| CN2189663Y (en) * | 1994-03-22 | 1995-02-15 | 杜金发 | Centrifugal involute profile cam engagement mechanism |
| CN2435535Y (en) * | 2000-02-01 | 2001-06-20 | 席星航 | Electric starting device for cam motorcycle |
| US6428442B1 (en) * | 1997-10-07 | 2002-08-06 | Robert Bosch Gmbh | Electric motor |
| CN201846188U (en) * | 2010-10-09 | 2011-05-25 | 德昌电机(深圳)有限公司 | Starter and starting motor device |
| CN202334121U (en) * | 2011-12-01 | 2012-07-11 | 卧龙电气集团股份有限公司 | Starting motor |
-
2011
- 2011-12-01 CN CN201110392151.2A patent/CN102386716B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4528470A (en) * | 1983-05-27 | 1985-07-09 | Lucas Industries | Starter motor incorporating an epicyclic reduction gear mechanism |
| CN2189663Y (en) * | 1994-03-22 | 1995-02-15 | 杜金发 | Centrifugal involute profile cam engagement mechanism |
| US6428442B1 (en) * | 1997-10-07 | 2002-08-06 | Robert Bosch Gmbh | Electric motor |
| CN2435535Y (en) * | 2000-02-01 | 2001-06-20 | 席星航 | Electric starting device for cam motorcycle |
| CN201846188U (en) * | 2010-10-09 | 2011-05-25 | 德昌电机(深圳)有限公司 | Starter and starting motor device |
| CN202334121U (en) * | 2011-12-01 | 2012-07-11 | 卧龙电气集团股份有限公司 | Starting motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102386716A (en) | 2012-03-21 |
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| CP01 | Change in the name or title of a patent holder |
Address after: 312300 No. 1801 Renmin West Road, Shaoxing, Zhejiang, Shangyu Patentee after: Wolong Electric Drive Group Co., Ltd. Address before: 312300 No. 1801 Renmin West Road, Shaoxing, Zhejiang, Shangyu Patentee before: Wolong Electric Group Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20201201 |