CN202914219U - Starter of air-cooled diesel engine - Google Patents
Starter of air-cooled diesel engine Download PDFInfo
- Publication number
- CN202914219U CN202914219U CN 201220594173 CN201220594173U CN202914219U CN 202914219 U CN202914219 U CN 202914219U CN 201220594173 CN201220594173 CN 201220594173 CN 201220594173 U CN201220594173 U CN 201220594173U CN 202914219 U CN202914219 U CN 202914219U
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- China
- Prior art keywords
- ratchet
- driven gear
- starting
- diesel engine
- spiral spring
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- Expired - Lifetime
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Abstract
The utility model provides a starter of an air-cooled diesel engine. The starter comprises a casing and a rotary shaft. The rotary shaft is a hollow shaft, a mandrel is fixedly arranged inside the rotary shaft, one end of the rotary shaft is in rotary connection with the center of the bottom surface of the casing, and a volute spiral spring fixing plate is sleeved on the rotary shaft and is fixedly connected with an inner wall of the casing. A driven gear is coaxially installed on a rotary shaft section between the volute spiral spring fixing plate and the bottom surface of the casing, a ratchet wheel is sleeved between the driven gear and the bottom surface of the casing, a ratchet claw is meshed on the ratchet wheel, and a slipping device capable of enabling the ratchet wheel to swing on the end face of the driven gear is arranged between the opposite end faces of the driven gear and the ratchet wheel. After a volute spiral spring is tensioned, the ratchet claw locks the ratchet wheel, the driven gear rotates for a certain distance under the effect of the volute spiral spring so as to play a slipping role, a starting claw is plugged into a hole of a starting claw plate of the diesel engine in advance, the rigid impact problem caused by direct plugging at high speed is solved, and the service life of a device is prolonged.
Description
Technical field
The utility model relates to the diesel engine starting technical field, especially a kind of air-cooled diesel engine starter.
Background technique
Development along with agricultural economy, Agricultural Mechanization Degree progressively improves, the agricultural cultivating ﹠ machine is more and more universal, its power source is diesel engine, diesel engine is that burning diesel oil obtains exergonic motor, it is large that it has power, the thermal efficiency is high, the advantages such as economic performance is good, diesel engine must can make it enter operating condition by a cover starting mechanism before work, existing starter of diesel engine has the hand starting of employing and electricity to start two kinds, although the electricity start mode is convenient, but complex structure, and also inconvenience aspect maintenance, and adopt traditional hand starting pattern, the starting dog that is starter can snap onto in the diesel engine pawl dish, and then realize that hand-operated starter drives diesel engine starting, but find in actual applications, rigid impact appears in the starting dog on the starter and the starting dog dish contacting point on the diesel engine flywheel easily, namely the place of being in contact with one another is out of shape easily even slight crack occurs, and support the bearing pin of starting dog because fracture also appears in this rigid impact easily, therefore, in practice, because this problem has caused starter often need to overhaul and change component, working life is not long, and this problem is perplexing people always, also do not find a kind of namely simply again the significant protecting against shock method of effect solve this problem.
The model utility content
The technical problems to be solved in the utility model is: in order to overcome the flimsy technical problem that rigid impact causes between the starting dog and diesel engine starting pawl dish in the prior art, provide a kind of air-cooled diesel engine starter of long service life.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of air-cooled diesel engine starter, comprise shell and rotating shaft, described rotating shaft is hollow shaft, be fixedly installed mandrel in it, rotating shaft one end is rotationally connected with shell bottom center, be set with the spiral spring fixed plate in the described rotating shaft, described spiral spring fixed plate is fixedly connected with outer casing inner wall, be coaxially installed with driven gear on the rotating shaft section between spiral spring fixed plate and the shell bottom surface, be set with ratchet between described driven gear and the shell bottom surface, be engaged with preload piece on the described driven gear, described preload piece one end stretches out in shell and makes the pretension end outward, be engaged with ratchet on the described ratchet, described ratchet is fixed on the shell bottom surface by pawl axis, and pawl axis one end stretches out in shell and makes starting end outward;
Rotating shaft section between spiral spring fixed plate and shell aperture is provided with spiral spring, spiral spring the inner is connected in rotating shaft, spiral spring in addition end is fixed on the spiral spring fixed plate, be installed with the starting dog seat on the rotating shaft the other end, be evenly equipped with at least two rotatable starting dogs on the end face of described starting dog seat, be fixedly installed on the described starting dog seat to be useful on and promote the pawl dish that starting dog launches, be provided with the pawl mouth corresponding with starting dog on the pawl dish outer wall, be provided with between the relative end face of described driven gear and ratchet and can make ratchet at the slipping device of driven gear end tank wobble.The utility model is by namely tightening the spiral spring tension in advance the process of clockwork spring, then because 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 a bit of distance just can realize starting dog is sent in the hole of the starting dog dish on the diesel engine smoothly, this step is namely pre-installed first starting dog on diesel engine in the starting dog dish, and then unclamp ratchet, the elastic potential energy of spiral spring is all discharged, drive again the rotation at full speed of diesel engine flywheel with this, and then the starting diesel engine.
In order to realize the purpose of ratchet and the asynchronous rotation of driven gear, namely can swing each other and skid, adopt following manner, described slipping device comprises two pieces of bearing pins that are fixedly mounted on the ratchet end face, two pieces of bearing pins are symmetrical about the revenue centre of ratchet, be provided with two on the end face of described driven gear about the arc-shaped slot of the revenue centre symmetry of driven gear, described ratchet is inlaid in the corresponding arc-shaped slot by described two pieces of bearing pins.
Equally also can adopt this mode to realize the effect of skidding, described slipping device comprises two pieces of bearing pins that are fixedly mounted on the driven gear end face, two pieces of bearing pins are symmetrical about the revenue centre of driven gear, be provided with two on the end face of described ratchet about the arc-shaped slot of the revenue centre symmetry of ratchet, described two pieces of bearing pins are inlaid in the corresponding arc-shaped slot.
Further, the central angle of described arc-shaped slot is 80 ~ 120 °.
Further, described ratchet is provided with torsion spring, and the pretension end of described preload piece is provided with the pretension interface of pegging graft for handle, and the starting end on the described pawl axis is provided with the starting interface of pegging graft for handle.Pretension interface and starting interface can be convenient for people to start diesel engine.
Further, described starting dog seat is that profile is connected or key connects with rotating shaft, have the first fixed hole near on the side of starting dog seat inner ring, have the second fixed hole in the side of pawl dish, also be provided with torsion spring between described starting dog seat and the rotating shaft, an end of described torsion spring interts in the first fixed hole, the other end interts in the second fixed hole.Utilize torsion spring as intermediate connector, flexible, simultaneously assembling is also simple, and can make starting dog seat and pawl dish realize differential.
As preferably, described starting dog has 3, and described pawl mouth has 3.
Further, the gear shaft that is integrated of described preload piece or gear and axle key are formed by connecting.
The beneficial effects of the utility model are, traditional diesel engine hand starting mode is under high-speed case, the centrifugal action of utilizing the rotating shaft rotation to cause, starting dog is got rid of in the starter panel hole of diesel engine, the utility model changes traditional originate mode, by in advance the spiral spring tension namely being tightened the process of clockwork spring, then because 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 a bit of distance just can realize starting dog is sent in the hole of the starting dog dish on the diesel engine smoothly, this process impact force is very little, impact on each part can be ignored, this step is namely pre-installed first starting dog on diesel engine in the starting dog dish, and then unclamps ratchet, and the elastic potential energy of spiral spring is all discharged, drive again the rotation at full speed of diesel engine flywheel with this, and then the starting diesel engine.Therefore the utility model changes traditional hand starting thinking, first starting dog is packed on the diesel engine in the starting dog dish hole, the drive diesel engine that runs up again starts, rather than directly under high-speed case, starting dog sent on the diesel engine in the starting dog dish hole, the starting dog that always perplexs people and the problem of the rigid impact of diesel engine starting pawl dish have been solved dexterously, improved the working life of equipment, and also improved the Security that equipment uses.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the three-dimensional structure explosive view of air-cooled diesel engine starter of the present utility model;
Fig. 2 is the sectional view of air-cooled diesel engine starter of the present utility model;
Fig. 3 is the structural representation of first embodiment's of the present utility model driven gear;
Fig. 4 is the structural representation of first embodiment's of the present utility model ratchet;
Fig. 5 is the structural representation of starting dog seat of the present utility model;
Fig. 6 is the structural representation of pawl dish of the present utility model;
Fig. 7 is the internal structure schematic representation of air-cooled diesel engine starter of the present utility model.
Among the figure: 1. shell, 2. rotating shaft, 3. mandrel, 4. spiral spring fixed plate, 5. driven gear, 6. ratchet, 7. preload piece, 8. ratchet, 9. pawl axis, 10. spiral spring, 11. starting dog seats, 11-1. the first fixed hole, 12. starting dogs, 13. the pawl dish, 13-1. pawl mouth, 13-2. the second fixed hole, 14. bearing pins, 15. arc-shaped slot, 16. torsion springs, 17. pretension interfaces, 18. starting interfaces, 19. torsion spring, 20. friction plates, 21. pads, 22. locking nuts.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic representation of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
Embodiment 1
Shown in Fig. 1 ~ 7, the utility model comprises shell 1 and rotating shaft 2, rotating shaft 2 is hollow shaft, be fixedly installed mandrel 3 in it, rotating shaft 2 one ends are rotationally connected with shell 1 bottom center, be set with spiral spring fixed plate 4 in the rotating shaft 2, spiral spring fixed plate 4 is fixedly connected with shell 1 inwall, be coaxially installed with driven gear 5 on the rotating shaft section between spiral spring fixed plate 4 and shell 1 bottom surface, be set with ratchet 6 between driven gear 5 and shell 1 bottom surface, be engaged with preload piece 7 on the driven gear 5, preload piece 7 one ends stretch out in shell and make the pretension end outward, be engaged with ratchet 8 on the ratchet 6, ratchet 8 is fixed on shell 1 bottom surface by pawl axis 9, and pawl axis 9 one ends stretch out in the shell 1 outer starting end of doing; Rotating shaft section between spiral spring fixed plate 4 and shell 1 opening is provided with spiral spring 10, spiral spring 10 the inners are connected in rotating shaft 2, spiral spring 10 the inners can be adopted fixed or detachable with being connected of rotating shaft 2, for example open a skewed slot in rotating shaft 2, spiral spring 10 the inners are extend into skewed slot, can realize tightening up and loosening, spiral spring 10 outer ends are fixed on the spiral spring fixed plate 4, be installed with starting dog seat 11 on rotating shaft 2 the other ends, be evenly equipped with 3 rotatable starting dogs 12 on the end face of starting dog seat 11, be fixedly installed on the starting dog seat 11 to be useful on and promote the pawl dish 13 that starting dog 12 launches, be provided with 3 the pawl mouth 13-1s corresponding with starting dog 12 on pawl dish 13 outer walls, being provided with between the relative end face of driven gear 5 and ratchet 6 to make ratchet 6 at the slipping device of driven gear 5 end tank wobbles, slipping device comprises two pieces of bearing pins 14 that are fixedly mounted on ratchet 6 end faces in the present embodiment, two pieces of bearing pins 14 are symmetrical about the revenue centre of ratchet 6, be provided with two on the end face of driven gear 5 about the arc-shaped slot 15 of the revenue centre symmetry of driven gear 5, two pieces of bearing pins 14 that ratchet 6 passes through are inlaid in the corresponding arc-shaped slot 15, for starting dog 12 can be entered in the hole of diesel engine starting pawl dish smoothly, the central angle of arc-shaped slot 15 is 80 ° in the present embodiment.
Starting dog seat 11 can adopt profile to be connected with rotating shaft 2 or key connects, have the first fixed hole 11-1 near on the side of starting dog seat 11 inner rings, have the second fixed hole 13-2 in the side of pawl dish 13, also be provided with torsion spring 19 between starting dog seat 11 and the rotating shaft 2, one end of torsion spring 19 interts in the first fixed hole 11-1, the other end interts in the second fixed hole 13-2, also can adopt other modes such as pin, screw etc. so that starting dog seat 11 and pawl dish 13 can be realized synchronous transfer.
In the present embodiment, the gear shaft that preload piece 7 is integrated or gear and axle key are formed by connecting, and can do different choice according to different needs.
Establish a friction plate 20 in pawl dish 13 sides in the utility model, cover has a spring on the mandrel 3, spring withstands pawl dish 13, make it to be drive fit with friction plate 20, this friction plate 20 is bearing in the rotating shaft 2 by pad 21, then be fixed on the mandrel 3 by locking nut 22, prevent that pad 21 from moving axially, thereby limit friction plate 20, after ratchet 8 pins ratchet 6, because the arc-shaped slot 15 of design, so that a bit of arc length of driven gear 5 counter-rotatings, in this process, torsion spring 18 connects pawl dish 13 and starting dog seat 11, and the rotation of rotating shaft 2 causes the rotation of starting dog seat 11, and then cause the rotation of pawl dish 13, but by the effect of friction plate 20, what the rotating speed of pawl dish 13 will be low is many, so just starting dog 12 can be released smoothly, even the process that starting dog 12 launches so just can stretch into starting dog 12 in the hole of diesel oil starting dog dish smoothly.Behind diesel engine starting, can starting dog 12 be regained by pawl dish 13 and friction plate 20 and make it to break away from diesel engine starting pawl dish.
Embodiment 2
Present embodiment only is the different of slipping device from embodiment 1 difference, present embodiment can be realized above-mentioned functions too, slipping device comprises two pieces of bearing pins 14 that are fixedly mounted on driven gear 5 end faces in the present embodiment, two pieces of bearing pins 14 are symmetrical about the revenue centre of driven gear 5, be provided with two on the end face of ratchet 6 about the arc-shaped slot 15 of the revenue centre symmetry of ratchet 6, two pieces of bearing pins 14 are inlaid in the corresponding arc-shaped slot 15, the central angle of arc-shaped slot 15 is selected 120 ° in the present embodiment, can realize that equally starting dog 12 can enter into the purpose in the hole of diesel engine starting pawl dish smoothly.
with embodiment 1, the course of work of the present utility model is described, at first, rocking handle is sleeved on pretension interface 17, then clockwise rotate, preload piece 7 also and then rotates, driven gear 5 rotates counterclockwise, driven gear 5 utilizes two bearing pins 14 to drive ratchet 6 and and then rotates counterclockwise, after scroll spring 10 tensions, rocking handle stops operating, at this moment, under the elastic potential energy effect of scroll spring 10, driven gear 5 can be to clockwise rotating (at this moment ratchet 6 does not rotate under the effect of ratchet 8), when turning to the other end of arc-shaped slot 15, driven gear 5 also no longer rotates under the effect of ratchet 8, at this moment, rotating shaft 2 and driven gear 5 have turned over the angle in arc-shaped slot 15, effect by such rotational angle and friction plate 20, 3 starting dogs 12 of the present utility model are entered in the hole of the starting dog dish on diesel engine smoothly in advance, therefore, by arc-shaped slot 15, allow rotating shaft 2 first rotate a bit of distance, in this process, can complete starting dog 12 stretches in diesel engine starting pawl dish, and then unclamp ratchet 8, thoroughly discharge the elastic potential energy of scroll spring 10, the rotating shaft 2 starting diesel engine that runs up, thereby reach the effect of eliminating the rigid impact of starting dog dish on starting dog 12 and diesel engine, improve service life of equipment.
Starting dog 12 of the present utility model also can adopt 2 or 4 etc., is not limited to starting dog 12 quantity mentioned among the utility model embodiment, carries out different choice according to different needs.
Take above-mentioned foundation desirable embodiment of the present utility model as enlightenment, by above-mentioned description, the relevant staff can in the scope that does not depart from this model utility technological thought, carry out various change and modification fully.The technical scope of this model utility is not limited to the content on the specification, must determine its technical scope according to the claim scope.
Claims (8)
1. air-cooled diesel engine starter, it is characterized in that: comprise shell (1) and rotating shaft (2), described rotating shaft (2) is hollow shaft, be fixedly installed mandrel (3) in it, rotating shaft (2) one ends are rotationally connected with shell (1) bottom center, be set with spiral spring fixed plate (4) in the described rotating shaft (2), described spiral spring fixed plate (4) is fixedly connected with shell (1) inwall, be coaxially installed with driven gear (5) on the rotating shaft section between spiral spring fixed plate (4) and shell (1) bottom surface, be set with ratchet (6) between described driven gear (5) and shell (1) bottom surface, be engaged with preload piece (7) on the described driven gear (5), described preload piece (7) one ends stretch out in shell and make the pretension end outward, be engaged with ratchet (8) on the described ratchet (6), described ratchet (8) is fixed on shell (1) bottom surface by pawl axis (9), and pawl axis (9) one ends stretch out in the outer starting end of doing of shell (1);
Rotating shaft section between spiral spring fixed plate (4) and shell (1) opening is provided with spiral spring (10), spiral spring (10) the inner is connected in rotating shaft (2), spiral spring (10) outer end is fixed on the spiral spring fixed plate (4), be installed with starting dog seat (11) on rotating shaft (2) the other end, be evenly equipped with at least two rotatable starting dogs (12) on the end face of described starting dog seat (11), be fixedly installed on the described starting dog seat (11) to be useful on and promote the pawl dish (13) that starting dog (12) launches, be provided with the pawl mouth (13-1) corresponding with starting dog (12) on pawl dish (13) outer wall, be provided with between described driven gear (5) end face relative with ratchet (6) and can make ratchet (6) at the slipping device of driven gear (5) end tank wobble.
2. air-cooled diesel engine starter as claimed in claim 1, it is characterized in that: described slipping device comprises the two pieces of bearing pins (14) that are fixedly mounted on ratchet (6) end face, two pieces of bearing pins (14) are symmetrical about the revenue centre of ratchet (6), be provided with two on the end face of described driven gear (5) about the arc-shaped slot (15) of the revenue centre symmetry of driven gear (5), described ratchet (6) is inlaid in the corresponding arc-shaped slot (15) by described two pieces of bearing pins (14).
3. air-cooled diesel engine starter as claimed in claim 1, it is characterized in that: described slipping device comprises the two pieces of bearing pins (14) that are fixedly mounted on driven gear (5) end face, two pieces of bearing pins (14) are symmetrical about the revenue centre of driven gear (5), be provided with two on the end face of described ratchet (6) about the arc-shaped slot (15) of the revenue centre symmetry of ratchet (6), described two pieces of bearing pins (14) are inlaid in the corresponding arc-shaped slot (15).
4. air-cooled diesel engine starter as claimed in claim 2 or claim 3, it is characterized in that: the central angle of described arc-shaped slot (15) is 80 ~ 120 °.
5. air-cooled diesel engine starter as claimed in claim 4, it is characterized in that: described ratchet (8) is provided with torsion spring (16), the pretension end of described preload piece (7) is provided with the pretension interface (17) of pegging graft for handle, and the starting end on the described pawl axis (9) is provided with the starting interface (18) of pegging graft for handle.
6. air-cooled diesel engine starter as claimed in claim 5, it is characterized in that: described starting dog seat (11) is connected for profile with rotating shaft (2) or key connects, have the first fixed hole (11-1) near on the side of starting dog seat (11) inner ring, have the second fixed hole (13-2) in the side of pawl dish (13), also be provided with torsion spring (19) between described starting dog seat (11) and the rotating shaft (2), an end of described torsion spring (19) interts in the first fixed hole (11-1), the other end interts in the second fixed hole (13-2).
7. air-cooled diesel engine starter as claimed in claim 1, it is characterized in that: described starting dog (12) has 3, and described pawl mouth (13-1) has 3.
8. such as claim 1 or 2 or 3 described air-cooled diesel engine starters, it is characterized in that: the gear shaft that described preload piece (7) is integrated or gear and axle key are formed by connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220594173 CN202914219U (en) | 2012-11-12 | 2012-11-12 | Starter of air-cooled diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220594173 CN202914219U (en) | 2012-11-12 | 2012-11-12 | Starter of air-cooled diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202914219U true CN202914219U (en) | 2013-05-01 |
Family
ID=48162538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220594173 Expired - Lifetime CN202914219U (en) | 2012-11-12 | 2012-11-12 | Starter of air-cooled diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202914219U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913360A (en) * | 2012-11-12 | 2013-02-06 | 白文广 | Air-cooled diesel engine starter |
| CN103216371A (en) * | 2013-05-03 | 2013-07-24 | 白文广 | Air-cooled diesel engine pull-free starter |
| CN111099275A (en) * | 2019-12-26 | 2020-05-05 | 罗渊兰 | Novel non-contact backstop |
-
2012
- 2012-11-12 CN CN 201220594173 patent/CN202914219U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913360A (en) * | 2012-11-12 | 2013-02-06 | 白文广 | Air-cooled diesel engine starter |
| CN102913360B (en) * | 2012-11-12 | 2015-04-29 | 白文广 | Air-cooled diesel engine starter |
| CN103216371A (en) * | 2013-05-03 | 2013-07-24 | 白文广 | Air-cooled diesel engine pull-free starter |
| CN103216371B (en) * | 2013-05-03 | 2016-02-24 | 白文广 | Air-cooled diesel engine exempts to draw starter |
| CN111099275A (en) * | 2019-12-26 | 2020-05-05 | 罗渊兰 | Novel non-contact backstop |
| CN111099275B (en) * | 2019-12-26 | 2022-04-19 | 罗渊兰 | Novel non-contact backstop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130501 Effective date of abandoning: 20150429 |