CN103216371B - Air-cooled diesel engine exempts to draw starter - Google Patents
Air-cooled diesel engine exempts to draw starter Download PDFInfo
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- CN103216371B CN103216371B CN201310161502.8A CN201310161502A CN103216371B CN 103216371 B CN103216371 B CN 103216371B CN 201310161502 A CN201310161502 A CN 201310161502A CN 103216371 B CN103216371 B CN 103216371B
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Abstract
A kind of air-cooled diesel engine of the present invention exempts to draw starter, comprise shell and the rotating shaft being rotationally connected with enclosure bottom center, described rotating shaft is hollow shaft, its internal fixtion is provided with mandrel, described rotating shaft is provided with successively driven gear, ratchet, spiral spring fixed plate, spiral spring and startup pawl seat, also comprise cover plate, being fixedly connected with at least two uniform startup pawls by connecting pin between described startup pawl seat and cover plate, when described startup pawl is provided with for preventing diesel engine from shaking, starting the returning device that pawl swings.The present invention limits freely swinging of starting dog by returning device, solve starter to start diesel engine and start rear startup pawl and start the abrasion of pawl dish and start pawl and to rub with startup pawl dish and produce the noise of " clatter clatter clatter ", thus " the clatter clatter clatter " noise produced when reducing the wearing and tearing and friction that start pawl and start pawl dish, improve working life.
Description
Technical field
The present invention relates to diesel engine starting technical field, especially a kind of air-cooled diesel engine exempts to draw starter.
Background technique
Along with the development of agricultural economy, Agricultural Mechanization Degree progressively improves, agricultural cultivating & machine is more and more universal, its power source is diesel engine, diesel engine is that burning diesel oil is to obtain exergonic motor, it is large that it has power, the thermal efficiency is high, the advantages such as economic performance is good, diesel engine can must make it enter operating condition by a set of starting mechanism before work, existing diesel engine starting device has employing hand pull starting-up and electricity to start two kinds, although electricity Starting mode is convenient, but complex structure, and it is also inconvenient in maintenance, and adopt traditional hand pull starting-up pattern, namely the startup pawl of starter can snap onto in diesel engine pawl dish, and then realize hand pulling starter drive diesel engine starting, find in actual applications, after starter drives diesel engine starting, the sound of " clatter clatter clatter " can be heard, trace it to its cause and find after driving diesel engine after startup pawl stretches into diesel oil pawl dish, at this moment start pawl can reclaim again, but owing to starting the not good restriction of pawl, if start pawl pawl head just in time vertically downward or start pawl when being parallel to horizontal line, starting pawl can because Action of Gravity Field be toward sagging, at this moment startup pawl will produce with the startup pawl dish of High Rotation Speed and rub, thus cause the sound of " clatter clatter clatter ", this will badly damaged startup pawl and startup pawl dish thereof.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome the deficiencies in the prior art, provides a kind of air-cooled diesel engine to exempt to draw starter, and it can limit startup pawl well, prevents starting pawl and contacts with its counterpart is improper the damage and the sound that cause.
The technical solution adopted for the present invention to solve the technical problems is: a kind of air-cooled diesel engine exempts to draw starter, and comprise shell and the rotating shaft being rotationally connected with enclosure bottom center, described rotating shaft is hollow shaft, and its internal fixtion is provided with mandrel;
Described rotating shaft is provided with successively driven gear, ratchet, spiral spring fixed plate, spiral spring and startup pawl seat;
Described spiral spring fixed plate is fixedly connected with outer casing inner wall;
Described driven gear is engaged with pretension gear, described pretension Gear center is provided with pre-mandrel, and described pre-mandrel one end is supported on spiral spring fixed plate, and the other end stretches out in shell and makes pretension end;
Described ratchet end face is fixed on driven gear end face, hook tooth is engaged with ratchet, described ratchet center is provided with pawl axis, pawl axis one end is supported on spiral spring fixed plate, the other end stretches out in outside shell and makes start end, is provided with the slipping device that ratchet can be made at driven gear end tank wobble between the end face that described driven gear is relative with ratchet;
Described spiral spring the inner is connected to rotating shaft, and spiral spring outer end is fixed on spiral spring fixed plate, and spiral spring is also covered with a spring box outward;
Also comprise cover plate, at least two uniform startup pawls are fixedly connected with by connecting pin between described startup pawl seat and cover plate, the returning device that pawl swings is started when described startup pawl is provided with for preventing diesel engine from shaking, start between pawl and be provided with the startup pawl fixed plate be fixedly installed in rotating shaft, described startup pawl seat is stamped the pawl dish be coaxially installed on mandrel, described pawl dish side is provided with friction plate and pad successively, described pad pressing friction sheet is in pawl dish side, pawl dish inwall has the pressure spring for pushing up paw dish internal face, described pressure spring is for being set in mandrel, pawl dish outer wall is provided with the pawl mouth corresponding with starting pawl.By arranging returning device on startup pawl in this programme, can prevent starting pawl and freely swinging, that is utilizing limit stoper to pin and start pawl, do not allow it freely rotate around connecting pin, and then solving the problem starting pawl and freely swing.
In order to make structure simple, the present invention is further improved, described returning device comprises return spring, described return spring is arranged on and starts pawl and to start between pawl seat and to be set in connecting pin, the face that described startup pawl seat contacts with startup pawl has slot to make way, the startup pawl seat surface relative with slot to make way have the lug boss identical with slot to make way shape, described return spring is embedded in slot to make way, described startup pawl tail end end face has mounting hole, mounting hole is stretched in return spring one end, and the other end props up slot to make way inwall.The structure of return spring itself forces startup pawl cannot stretch out from pawl mouth in normal state, also namely limited and started freely swinging of pawl, because start pawl there is no other power to overcome the elastic potential energy of return spring, and this improve further in the design of slot to make way, object is return spring to bury underground wherein, ensure that return spring is not shifted, do not lose efficacy, the lug boss of another side is then the intensity in order to strengthen this place.
Starting to solve the flimsy problem that between pawl and diesel engine starting pawl dish, rigid impact causes, following two kinds of modes can be adopted:
Described slipping device comprises and is fixedly mounted on two pieces of bearing pins on ratchet end face, two pieces of bearing pins are symmetrical about the revenue centre of ratchet, the end face of described driven gear is provided with two arc-shaped slots about the revenue centre symmetry of driven gear, described ratchet is inlaid in corresponding arc-shaped slot by described two pieces of bearing pins.
Described slipping device comprises and is fixedly mounted on two pieces of bearing pins on driven gear end face, two pieces of bearing pins are symmetrical about the revenue centre of driven gear, the end face of described ratchet is provided with two arc-shaped slots about the revenue centre symmetry of ratchet, two pieces of described bearing pins are inlaid in corresponding arc-shaped slot.
Above two kinds of modes all achieve the object of ratchet and the asynchronous rotation of driven gear, namely skidding can be swung each other, therefore its principle is as follows, namely the present invention by tightening spiral spring tension the process of clockwork spring in advance, then due to the cause of click, ratchet is limited to be fixed, and driven gear can rotate a bit of distance under the effect of the elastic potential energy of spiral spring, and this bit of distance just can realize startup pawl to send in the hole of the startup pawl dish on diesel engine smoothly, this step i.e. first prepackage starts pawl and starts in pawl dish on diesel engine, and then unclamp ratchet, the elastic potential energy of spiral spring is all discharged, the rotation at full speed of diesel engine flywheel is driven again with this, and then startup diesel engine, by such method, the direct rigid impact of the high strength avoided well, extend service life of equipment.
Further, the central angle of described arc-shaped slot is 80 ~ 120 °.
Further, described startup pawl seat and rotating shaft are that profile is connected or key connects.
As preferably, described startup pawl has 2, and described pawl mouth has 2.
As preferably, described pretension gear and pre-mandrel are integral type or are connected by key.
Can stretch out from pawl mouth smoothly to make to start pawl, described pawl mouth size is greater than startup pawl head.
The invention has the beneficial effects as follows, the present invention increases return spring at startup pawl place, make to start pawl can not arbitrarily again rotate around connecting pin, limit the action of starting dog well, the friction damage that after solving starter startup all the time, startup pawl and startup pawl dish produce and the fricative sound, friction damage and sound problem obtain effective solution, thus reduce the wearing and tearing starting pawl and start pawl dish, add the working life of whole equipment.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is tomograph of the present invention;
Fig. 2 is three-dimensional explosive view of the present invention;
Fig. 3 is the slot to make way structural representation of startup pawl seat of the present invention;
Fig. 4 is the convex structure schematic diagram of startup pawl seat of the present invention;
Fig. 5 is the structural representation of startup pawl of the present invention;
Fig. 6 is the structural representation of the ratchet of embodiments of the invention 1;
Fig. 7 is the structural representation of the driven gear of embodiments of the invention 1;
Fig. 8 is the partial schematic diagram of internal structure of the present invention;
Fig. 9 is the scheme of installation of return spring of the present invention.
1. shells, 2. rotating shaft, 3. mandrel in figure, 4. driven gear, 41. arc-shaped slots, 5. ratchet, 6. spiral spring fixed plate, 7. spiral spring, 8. starts pawl seat, 81. slots to make way, 82. lug bosses, 9. pretension gear, 10. pre-mandrel, 101. pretension ends, 14. ratchets, 15. pawl axis, 151. start ends, 16. start pawl, 161. mounting holes, 17. start pawl fixed plate, 18. pawl dishes, 181. pawl mouths, 19. friction plates, 20. pads, 21. bearing pins, 22. spring boxs, 23. return springs, 24. connecting pins, 25. pressure springs, 26. cover plates.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
Embodiment 1
As shown in Fig. 1 ~ 8, the present invention includes shell 1 and the rotating shaft 2 being rotationally connected with shell 1 bottom center, rotating shaft 2 is hollow shaft, and its internal fixtion is provided with mandrel 3;
Rotating shaft 2 be provided with successively driven gear 4, ratchet 5, spiral spring fixed plate 6, spiral spring 7 and start pawl seat 8;
Spiral spring fixed plate 6 is fixedly connected with shell 1 inwall;
Driven gear 4 is engaged with pretension gear 9, pretension gear 9 center is provided with pre-mandrel 10, and pre-mandrel 10 one end is supported on spiral spring fixed plate 6, and the other end stretches out in shell 1 and makes pretension end 101;
Ratchet 5 end face is fixed on driven gear 4 end face, ratchet 5 tooth is engaged with ratchet 14, ratchet 14 center is provided with pawl axis 15, pawl axis 15 one end is supported on spiral spring fixed plate 6, the other end stretches out in outside shell 1 and makes start end 151, is provided with the slipping device that ratchet 5 can be made at driven gear 4 end tank wobble between the end face that driven gear 4 is relative with ratchet 5; Slipping device comprises and is fixedly mounted on two pieces of bearing pins 21 on ratchet 5 end face, two pieces of bearing pins 21 are symmetrical about the revenue centre of ratchet 5, the end face of driven gear 4 is provided with two arc-shaped slots 41 about the revenue centre symmetry of driven gear 4, two pieces of bearing pins 21 that ratchet 5 passes through are inlaid in corresponding arc-shaped slot 41, and the central angle of arc-shaped slot 41 is 120 °.
Spiral spring 7 the inner is connected to rotating shaft 2, and spiral spring 7 outer end is fixed on spiral spring fixed plate 6, and spiral spring 7 is outer is also covered with a spring box 22;
Also comprise cover plate 26, start between pawl seat 8 and cover plate 26 and be fixedly connected with two uniform startup pawls 16 by connecting pin 24, startup pawl 16 is provided with the returning device for preventing from starting pawl 16 swing, start between pawl 16 and be provided with the startup pawl fixed plate 17 be fixedly installed in rotating shaft 2, start on pawl seat 8 and be stamped the pawl dish 18 be coaxially installed on mandrel 3, pawl dish 18 side is provided with friction plate 19 and pad 20 successively, pad 20 pressing friction sheet 19 is in pawl dish 18 side, pawl dish 18 inwall has the pressure spring 25 for pushing up paw dish 18 internal face, pressure spring 25 is for being set in mandrel 3, pawl dish 18 outer wall is provided with the pawl mouth 181 corresponding with starting pawl 16, pawl mouth 181 size is greater than startup pawl 16 head.
Returning device comprises return spring 23, return spring 23 is arranged on and starts pawl 16 and to start between pawl seat 8 and to be set in connecting pin 24, the face that startup pawl seat 8 contacts with startup pawl 16 has slot to make way 81, the startup pawl seat 8 relative with slot to make way 81 have the lug boss 82 identical with slot to make way 81 shape, return spring 23 is embedded in slot to make way 81, start on pawl 16 tail end end face and have mounting hole 161, mounting hole 161 is stretched in return spring 23 one end, and the other end props up slot to make way 81 inwall.
In the present embodiment, pretension gear 9 and pre-mandrel 10 are for integral type or be connected by key.
Embodiment 2
With the difference of embodiment 1, embodiment 2 is that slipping device comprises and is fixedly mounted on two pieces of bearing pins 21 on driven gear 4 end face, two pieces of bearing pins 21 are symmetrical about the revenue centre of driven gear 4, the end face of ratchet 5 is provided with two arc-shaped slots 41 about the revenue centre symmetry of ratchet 5, two pieces of bearing pins 21 be inlaid in corresponding arc-shaped slot 41, the central angle of arc-shaped slot 41 is 80 °.
The quantity of startup pawl 16 of the present invention is not limited to the embodiment in this specification, can need to carry out different choice according to difference.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on specification, must determine its technical scope according to right.
Claims (9)
1. air-cooled diesel engine exempts to draw a starter, it is characterized in that: comprise shell (1) and be rotationally connected with the rotating shaft (2) of shell (1) bottom center, described rotating shaft (2) is hollow shaft, and its internal fixtion is provided with mandrel (3);
Described rotating shaft (2) be provided with successively driven gear (4), ratchet (5), spiral spring fixed plate (6), spiral spring (7) and start pawl seat (8);
Described spiral spring fixed plate (6) is fixedly connected with shell (1) inwall;
Described driven gear (4) is engaged with pretension gear (9), described pretension gear (9) center is provided with pre-mandrel (10), described pre-mandrel (10) one end is supported on spiral spring fixed plate (6), and the other end stretches out in shell (1) and makes pretension end (101);
Described ratchet (5) end face is fixed on driven gear (4) end face, ratchet (5) tooth is engaged with ratchet (14), described ratchet (14) center is provided with pawl axis (15), pawl axis (15) one end is supported on spiral spring fixed plate (6), the other end stretches out in outside shell (1) and makes start end (151), is provided with the slipping device that ratchet (5) can be made at driven gear (4) end tank wobble between the end face that described driven gear (4) is relative with ratchet (5);
Described spiral spring (7) the inner is connected to rotating shaft (2), and spiral spring (7) outer end is fixed on spiral spring fixed plate (6), and spiral spring (7) is also covered with a spring box (22) outward;
Also comprise cover plate (26), at least two uniform startup pawls (16) are fixedly connected with by connecting pin (24) between described startup pawl seat (8) and cover plate (26), the returning device that pawl (16) swings is started when described startup pawl (16) is provided with for preventing diesel engine from shaking, start between pawl (16) and be provided with the startup pawl fixed plate (17) be fixedly installed in rotating shaft (2), described startup pawl seat (8) is stamped the pawl dish (18) be coaxially installed on mandrel (3), described pawl dish (18) side is provided with friction plate (19) and pad (20) successively, described pad (20) pressing friction sheet (19) is in pawl dish (18) side, pawl dish (18) inwall has the pressure spring (25) for pushing up paw dish (18) internal face, described pressure spring (25) is for being set in mandrel (3), pawl dish (18) outer wall is provided with the pawl mouth (181) corresponding with starting pawl (16).
2. air-cooled diesel engine as claimed in claim 1 exempts to draw starter, it is characterized in that: described returning device comprises return spring (23), described return spring (23) is arranged on and starts between pawl (16) with startup pawl seat (8) and to be set in connecting pin (24), the face that described startup pawl seat (8) contacts with startup pawl (16) has slot to make way (81), startup pawl seat (8) face relative with slot to make way (81) have the lug boss (82) identical with slot to make way (81) shape, described return spring (23) is embedded in slot to make way (81), described startup pawl (16) tail end end face has mounting hole (161), mounting hole (161) is stretched in return spring (23) one end, the other end props up slot to make way (81) inwall.
3. air-cooled diesel engine as claimed in claim 1 exempts to draw starter, it is characterized in that: described slipping device comprises and is fixedly mounted on two pieces of bearing pins (21) on ratchet (5) end face, two pieces of bearing pins (21) are symmetrical about the revenue centre of ratchet (5), the end face of described driven gear (4) is provided with two arc-shaped slots (41) about the revenue centre symmetry of driven gear (4), described ratchet (5) is inlaid in corresponding arc-shaped slot (41) by described two pieces of bearing pins (21).
4. air-cooled diesel engine as claimed in claim 1 exempts to draw starter, it is characterized in that: described slipping device comprises and is fixedly mounted on two pieces of bearing pins (21) on driven gear (4) end face, two pieces of bearing pins (21) are symmetrical about the revenue centre of driven gear (4), the end face of described ratchet (5) is provided with two arc-shaped slots (41) about the revenue centre symmetry of ratchet (5), two pieces of described bearing pins (21) are inlaid in corresponding arc-shaped slot (41).
5. the air-cooled diesel engine as described in claim 3 or 4 exempts to draw starter, it is characterized in that: the central angle of described arc-shaped slot (41) is 80 ~ 120 °.
6. air-cooled diesel engine as claimed in claim 1 exempts to draw starter, it is characterized in that: described startup pawl seat (8) and rotating shaft (2) are connected for profile or key connects.
7. air-cooled diesel engine as claimed in claim 1 exempts to draw starter, and it is characterized in that: described startup pawl (16) has 2, described pawl mouth (181) has 2.
8. air-cooled diesel engine as claimed in claim 1 exempts to draw starter, it is characterized in that: described pretension gear (9) is connected for integral type or by key with pre-mandrel (10).
9. air-cooled diesel engine as claimed in claim 1 exempts to draw starter, it is characterized in that: described pawl mouth (181) size is greater than startup pawl (16) head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310161502.8A CN103216371B (en) | 2013-05-03 | 2013-05-03 | Air-cooled diesel engine exempts to draw starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310161502.8A CN103216371B (en) | 2013-05-03 | 2013-05-03 | Air-cooled diesel engine exempts to draw starter |
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| Publication Number | Publication Date |
|---|---|
| CN103216371A CN103216371A (en) | 2013-07-24 |
| CN103216371B true CN103216371B (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310161502.8A Active CN103216371B (en) | 2013-05-03 | 2013-05-03 | Air-cooled diesel engine exempts to draw starter |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812367B (en) * | 2019-03-25 | 2024-07-12 | 台州擎农机械有限公司 | Starter |
| CN110608122B (en) * | 2019-11-07 | 2024-06-18 | 台州擎农机械有限公司 | Auxiliary starter of engine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1459558A (en) * | 2002-05-20 | 2003-12-03 | 开始工业株式会社 | Unrolling starter |
| CN103075287A (en) * | 2013-02-07 | 2013-05-01 | 白文广 | Safety starter for air-cooled diesel engine |
| CN202914219U (en) * | 2012-11-12 | 2013-05-01 | 白文广 | Starter of air-cooled diesel engine |
| CN203214222U (en) * | 2013-05-03 | 2013-09-25 | 白文广 | Pull-free starter for air-cooled diesel engine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5273673B2 (en) * | 2009-05-15 | 2013-08-28 | スターテング工業株式会社 | Small engine starter |
| JP2011074856A (en) * | 2009-09-30 | 2011-04-14 | Hitachi Koki Co Ltd | Engine working machine |
-
2013
- 2013-05-03 CN CN201310161502.8A patent/CN103216371B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1459558A (en) * | 2002-05-20 | 2003-12-03 | 开始工业株式会社 | Unrolling starter |
| CN202914219U (en) * | 2012-11-12 | 2013-05-01 | 白文广 | Starter of air-cooled diesel engine |
| CN103075287A (en) * | 2013-02-07 | 2013-05-01 | 白文广 | Safety starter for air-cooled diesel engine |
| CN203214222U (en) * | 2013-05-03 | 2013-09-25 | 白文广 | Pull-free starter for air-cooled diesel engine |
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| CN103216371A (en) | 2013-07-24 |
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