CN201347832Y - Anti-reversion device for hand-starting diesel engine and starting device matched with same - Google Patents
Anti-reversion device for hand-starting diesel engine and starting device matched with same Download PDFInfo
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- CN201347832Y CN201347832Y CNU200920038347XU CN200920038347U CN201347832Y CN 201347832 Y CN201347832 Y CN 201347832Y CN U200920038347X U CNU200920038347X U CN U200920038347XU CN 200920038347 U CN200920038347 U CN 200920038347U CN 201347832 Y CN201347832 Y CN 201347832Y
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- ratchet
- starting
- diesel engine
- shaft
- helical pitch
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Abstract
The utility model relates to an anti-reversion device for a hand-starting diesel engine. The anti-reversion device is characterized in that the anti-reversion device comprises a bracket, at least a pawl assembly, and a ratchet-leading sleeve hole formed on the bracket, wherein, the pawl assembly is arranged on the bracket around the ratchet-leading sleeve hole and consists of a pawl, a positioning shaft, a reversed positioning shaft and a pawl resetting spring. The utility model further provides a starting device matched with the anti-reversion device for the crank-starting diesel engine. When the engine is hand-started, a ratchet leading sleeve on a starting handle can be smoothly started through the pawl; and when the starting handle rotates counterclockwise, the pawl capable of being started unidirectionally stops in a leading groove of the pawl leading sleeve, and the starting handle can automatically slide out under the pushing force by a gradually-lifting leading surface on the pawl leading sleeve. The utility model has simple and reasonable structure, and can effectively withdraw the handle during the rotating inversion.
Description
Technical field
The utility model relates to a kind of diesel-engine accessories, particularly a kind of hand starting diesel engine anti-reverse mechanism; The utility model also relates to the starting arrangement that uses with this reverse rotation protection matched with devices.
Background technique
The single cylinder diesel major part of using still adopts the hand mode of manpower to start at present.When temperature descends, operator are short of physical strength, repeatedly fail to start, diesel engine breaks down or do not reach certain rotating speed when starting just during situation generation such as pine decompression, all can cause diesel engine counter-rotating to make and then counter-rotating and can't withdrawing from voluntarily of operating crank (crank), thereby cause the generation of casualty accident.
In addition, when starting personnel not good or existence carelessness owing to starting technique, rocking-turn diesel engine etc. at the uniform velocity when not holding, standing from motor too far away or starting with a firm grip as operating crank, the face that just is easy to cause operating crank to throw away and injures the starting personnel, the operating crank danger of the rocking arm that particularly extends is bigger.
Above-described many unsafe factors all can cause the generation of diesel engine starting accident, serious threat starting personnel's life safety.The diesel engine of existing hand starting all can't reach the relevant hand starting industry standard of country.
Summary of the invention
Technical problem to be solved in the utility model is at the deficiencies in the prior art, the hand starting diesel engine anti-reverse mechanism of provide a kind of advantages of simple, counter-rotating being hurted sb.'s feelings when effectively preventing to start.
The utility model also provide another kind of installation more simply and easily, the counter-rotating hand starting diesel engine anti-reverse mechanism of hurting sb.'s feelings when effectively preventing to start.
The utility model also provides a kind of and above technological scheme described hand starting diesel engine anti-reverse mechanism matching used starting arrangement.
Technical problem to be solved in the utility model is to realize by following technological scheme.The utility model is a kind of hand starting diesel engine anti-reverse mechanism, is characterized in, it comprises support and at least one ratchet assembly, is provided with ratchet helical pitch trepanning on support, and described ratchet assembly is located on the ratchet helical pitch trepanning support on every side; The ratchet assembly is made of ratchet, positioning shaft, reverse position-limited shaft and ratchet return spring, the front end of ratchet stretches out to ratchet helical pitch sleeve side, ratchet is connected on the support by positioning shaft, oppositely position-limited shaft is located on the support of ratchet rear side, and ratchet is made one-way rotation around positioning shaft under the effect of reverse position-limited shaft; Ratchet return spring one end is fixed on the support, the other end is located on the ratchet, and ratchet is return under the effect of ratchet return spring.
Technical problem to be solved in the utility model can also further realize by following technological scheme.Above-described hand starting diesel engine anti-reverse mechanism is characterized in, described ratchet assembly is 2-4.
Technical problem to be solved in the utility model can also further realize by following technological scheme.Above-described hand starting diesel engine anti-reverse mechanism is characterized in that the rearward end of described ratchet is identical with the front end structure.Like this, when the front end serious wear of ratchet, end thereafter can be turned to front end and continue to use, thereby reduce maintenance cost.
Technical problem to be solved in the utility model can also further realize by following technological scheme.Above-described hand starting diesel engine anti-reverse mechanism is characterized in, is provided with mounting hole on support.
Technical problem to be solved in the utility model can also further realize by following technological scheme.The utility model also provides another kind of hand starting diesel engine anti-reverse mechanism, is characterized in, it is provided with a ratchet assembly at least, on the axial gear chamber cover of starting that described ratchet assembly is located at diesel engine; The ratchet assembly is made of ratchet, positioning shaft, reverse position-limited shaft and ratchet return spring, the front end of ratchet stretches out to the starting shaft front side, ratchet is connected on the gear chamber cover by positioning shaft, oppositely position-limited shaft is located on the gear chamber cover of ratchet rear side, and ratchet is made one-way rotation around positioning shaft under the effect of reverse position-limited shaft; Ratchet return spring one end is fixed on the gear chamber cover, the other end is located on the ratchet, and ratchet is return under the effect of ratchet return spring.
The return spring of any form commonly used in can prior art of the ratchet return spring described in the above technological scheme comprises extension spring or stage clip, and purpose is can be with the ratchet return.
Technical problem to be solved in the utility model can also further realize by following technological scheme.Above-described another kind of hand starting diesel engine anti-reverse mechanism is characterized in, described ratchet assembly is 2-4.
Technical problem to be solved in the utility model can also further realize by following technological scheme.The utility model also provides a kind of and above technological scheme described (two kinds) hand starting diesel engine anti-reverse mechanism matching used starting arrangement, comprise operating crank and supporting with it starting shaft, be characterized in, be fixed with the ratchet lead set on the described operating crank, the ratchet lead set is provided with at least one helical pitch groove, during the operating crank counter-rotating, the stress surface of helical pitch groove is the helical pitch face that edges up; The front end of described operating crank is provided with bearing pin or lead set, and when the front end of operating crank was provided with bearing pin, the front end of supporting with it starting shaft then was provided with lead set; When the front end of operating crank was provided with lead set, the front end of supporting with it starting shaft then was provided with bearing pin or lead set; Helical pitch stress surface when the front end lead set of operating crank or starting shaft starts is a straight line.
In above-described and the matching used starting arrangement of hand starting diesel engine anti-reverse mechanism, helical pitch groove set on the ratchet lead set can be 1-2, also can be for a plurality of, and preferred 4-6.
Hand starting diesel engine anti-reverse mechanism described in the utility model has two kinds of schemes according to the difference of its mounting type, scheme one described hand starting diesel engine anti-reverse mechanism is provided with support, and set ratchet assembly is installed on the diesel engine by support, during installation, described ratchet helical pitch trepanning should be installed in and the starting shaft corresponding part; Scheme two described hand starting diesel engine anti-reverse mechanisms then directly are installed in the ratchet assembly on the gear chamber cover, need not support, install more easy.Scheme one described hand starting diesel engine anti-reverse mechanism possesses the effectively anti-function of hurting sb.'s feelings that throws away.During hand starting, the operating crank front end is in vertical state when normal starting for set ratchet helical pitch trepanning on the support, and the operating crank front end generally can not keep vertical with the anti-ratchet helical pitch trepanning that throws away on the support when operating crank throws away, so operating crank just is difficult for throwing away hurting sb.'s feelings.
Hand starting diesel engine anti-reverse mechanism described in the utility model and the supporting use of described starting arrangement, the operating crank front end enters by ratchet helical pitch trepanning and cooperates with starting shaft, the ratchet lead set then places in the ratchet helical pitch trepanning, and ratchet is positioned at the helical pitch groove of ratchet lead set.During hand starting, starting shaft touches mutually with the force part between the operating crank front end is parallel, but not colludes phase-locked touching.After the hand starting, the starting shaft rotating speed is during greater than the operating crank rotating speed, and operating crank is under the thrust on the inclined-plane of lead set set on starting shaft or the operating crank, and operating crank will skid off automatically.When also operating crank turns clockwise during hand starting, ratchet lead set on the operating crank can start by ratchet smoothly, when operating crank is rotated counterclockwise, but the ratchet of one-way rotation stops in the helical pitch groove of ratchet lead set, and operating crank skids off under the thrust of the helical pitch face that edges up on the ratchet lead set automatically.Compared with prior art, the utility model is simple and reasonable, can effectively operating crank be withdrawed from during the starting counter-rotating.
Description of drawings
Fig. 1 is a kind of structural representation of hand starting diesel engine anti-reverse mechanism.
Fig. 2 is a kind of structural representation with the matching used starting arrangement of hand starting diesel engine anti-reverse mechanism.
Fig. 3 is the another kind of structural representation with the matching used starting arrangement of hand starting diesel engine anti-reverse mechanism.
Fig. 4 is another structural representation with the matching used starting arrangement of hand starting diesel engine anti-reverse mechanism.
Fig. 5 is the another kind of structural representation of hand starting diesel engine anti-reverse mechanism.
Fig. 6 is the ssembly drawing when starting for hand starting diesel engine anti-reverse mechanism and matching used starting arrangement.
Embodiment
Following with reference to accompanying drawing, further describe concrete technological scheme of the present utility model, so that those skilled in the art understands the utility model further, and do not constitute restriction to its right.
Embodiment 1.With reference to Fig. 1.A kind of hand starting diesel engine anti-reverse mechanism, it comprises support 5 and a ratchet assembly, is provided with ratchet helical pitch trepanning 7 on support 5, described ratchet assembly is located on ratchet helical pitch trepanning 7 support 5 on every side; The ratchet assembly is made of ratchet 1, positioning shaft 2, reverse position-limited shaft 3 and ratchet return spring 6, the front end of ratchet 1 stretches out to ratchet helical pitch trepanning 7 sides, ratchet 1 is connected on the support 5 by positioning shaft 2, oppositely position-limited shaft 3 is located on the support 5 of ratchet 1 rear side, and ratchet 1 is made one-way rotation around positioning shaft 2 under the effect of reverse position-limited shaft 3; Ratchet return spring 6 one ends are fixed on the support 5, the other end is located on the ratchet 1, and ratchet 1 is return under the effect of ratchet return spring 6.
Embodiment 2.With reference to Fig. 5.A kind of hand starting diesel engine anti-reverse mechanism, it is provided with a ratchet assembly, and described ratchet assembly is located on starting shaft 11 gear chamber cover 14 on every side of diesel engine; The ratchet assembly is made of ratchet 1, positioning shaft 2, reverse position-limited shaft 3 and ratchet return spring 6, the front end of ratchet 1 stretches out to starting shaft 11 front sides, ratchet 1 is connected on the gear chamber cover 14 by positioning shaft 2, oppositely position-limited shaft 3 is located on the gear chamber cover 14 of ratchet 1 rear side, and ratchet 1 is made one-way rotation around positioning shaft 2 under the effect of reverse position-limited shaft 3; Ratchet return spring 6 one ends are fixed on the gear chamber cover 14, the other end is located on the ratchet 1, and ratchet 1 is return under the effect of ratchet return spring 6.
Embodiment 3.In embodiment 1 or the 2 described hand starting diesel engine anti-reverse mechanisms, described ratchet assembly is 2, and symmetry is located at the left and right sides of ratchet helical pitch trepanning 7.
Embodiment 4.In embodiment 1 or the 2 described hand starting diesel engine anti-reverse mechanisms, described ratchet assembly is 3, and wherein 2 symmetries are located at the left and right sides of ratchet helical pitch trepanning 7, the 3rd upside that is located at ratchet helical pitch trepanning 7.
Embodiment 5.In embodiment 1 or the 2 described hand starting diesel engine anti-reverse mechanisms, described ratchet assembly is 4, and wherein 2 symmetries are located at the left and right sides of ratchet helical pitch trepanning 7, and 2 symmetries are located at the both sides up and down of ratchet helical pitch trepanning 7 in addition.
Embodiment 6.In embodiment 1 or the 2 described hand starting diesel engine anti-reverse mechanisms, described ratchet assembly is 6, symmetry be located at ratchet helical pitch trepanning 7 around.
Embodiment 7.In any one described hand starting diesel engine anti-reverse mechanism of embodiment 1-6, the rearward end of described ratchet 1 is identical with the front end structure.
Embodiment 8.In embodiment's 1 described hand starting diesel engine anti-reverse mechanism, on support 5, be provided with mounting hole 4.
Embodiment 9.With reference to Fig. 1,2,5,6.The matching used starting arrangement of any one described hand starting diesel engine anti-reverse mechanism among a kind of and the embodiment 1-8, comprise operating crank 8 and supporting with it starting shaft 11, be fixed with ratchet lead set 9 on the described operating crank 8, ratchet lead set 9 is provided with at least one helical pitch groove 10, during operating crank 8 counter-rotatings, the stress surface of helical pitch groove 10 is the helical pitch face 12 that edges up; The front end of described operating crank 8 is provided with bearing pin 15, and the front end of supporting with it starting shaft 11 then is provided with lead set 16; Helical pitch stress surface 13 when the front end lead set 16 of starting shaft 11 starts is a straight line.
Embodiment 10.With reference to Fig. 1,3,5,6.The matching used starting arrangement of any one described hand starting diesel engine anti-reverse mechanism among a kind of and the embodiment 1-8, comprise operating crank 8 and supporting with it starting shaft 11, be fixed with ratchet lead set 9 on the described operating crank 8, ratchet lead set 9 is provided with at least one helical pitch groove 10, during operating crank 8 counter-rotatings, the stress surface of helical pitch groove 10 is the helical pitch face 12 that edges up; The front end of described operating crank 8 is provided with lead set 16, and the front end of supporting with it starting shaft 11 also is provided with lead set 16; Helical pitch stress surface 13 when the front end lead set 16 of operating crank 8 or starting shaft 11 starts is a straight line.
Embodiment 11.With reference to Fig. 1,4,5,6.The matching used starting arrangement of any one described hand starting diesel engine anti-reverse mechanism among a kind of and the embodiment 1-8, comprise operating crank 8 and supporting with it starting shaft 11, be fixed with ratchet lead set 9 on the described operating crank 8, ratchet lead set 9 is provided with at least one helical pitch groove 10, during operating crank 8 counter-rotatings, the stress surface of helical pitch groove 10 is the helical pitch face 12 that edges up; The front end of described operating crank 8 is provided with lead set 16, and the front end of supporting with it starting shaft 11 then is provided with bearing pin 15; Helical pitch stress surface 13 when the front end lead set 16 of operating crank 8 starts is a straight line.
Embodiment 12.Embodiment 9 described with the matching used starting arrangement of hand starting diesel engine anti-reverse mechanism in, helical pitch groove 10 set on the ratchet lead set 9 is 2.
Embodiment 13.Embodiment 9 described with the matching used starting arrangement of hand starting diesel engine anti-reverse mechanism in, helical pitch groove 10 set on the ratchet lead set 9 is 4.
Embodiment 14.Embodiment 10 described with the matching used starting arrangement of hand starting diesel engine anti-reverse mechanism in, helical pitch groove 10 set on the ratchet lead set 9 is 6.
Embodiment 15.Embodiment 11 described with the matching used starting arrangement of hand starting diesel engine anti-reverse mechanism in, helical pitch groove 10 set on the ratchet lead set 9 is 5.
Claims (10)
1, a kind of hand starting diesel engine anti-reverse mechanism, it is characterized in that, it comprises support (5) and at least one ratchet assembly, is provided with ratchet helical pitch trepanning (7) on support (5), and described ratchet assembly is located on ratchet helical pitch trepanning (7) support (5) on every side; The ratchet assembly is made of ratchet (1), positioning shaft (2), reverse position-limited shaft (3) and ratchet return spring (6), the front end of ratchet (1) stretches out to ratchet helical pitch trepanning (7) side, ratchet (1) is connected on the support (5) by positioning shaft (2), oppositely position-limited shaft (3) is located on the support (5) of ratchet (1) rear side, and ratchet (1) is made one-way rotation around positioning shaft (2) under the effect of reverse position-limited shaft (3); Ratchet return spring (6) one ends are fixed on the support (5), the other end is located on the ratchet (1) ratchet (1) return under the effect of ratchet return spring (6).
2, hand starting diesel engine anti-reverse mechanism according to claim 1 is characterized in that, described ratchet assembly is 2-4.
3, hand starting diesel engine anti-reverse mechanism according to claim 1 is characterized in that, the rearward end of described ratchet (1) is identical with the front end structure.
4, hand starting diesel engine anti-reverse mechanism according to claim 1 is characterized in that, is provided with mounting hole (4) on support (5).
5, a kind of and claim 1 or the matching used starting arrangement of 2 described hand starting diesel engine anti-reverse mechanisms, comprise operating crank (8) and supporting with it starting shaft (11), it is characterized in that, be fixed with ratchet lead set (9) on the described operating crank (8), ratchet lead set (9) is provided with at least one helical pitch groove (10), during operating crank (8) counter-rotating, the stress surface of helical pitch groove (10) is the helical pitch face (12) that edges up; The front end of described operating crank (8) is provided with bearing pin (15) or lead set (16), and when the front end of operating crank (8) was provided with bearing pin (15), the front end of supporting with it starting shaft (11) then was provided with lead set (16); When the front end of operating crank (8) was provided with lead set (16), the front end of supporting with it starting shaft (11) then was provided with bearing pin (15) or lead set (16); Helical pitch stress surface (13) when the front end lead set (16) of operating crank (8) or starting shaft (11) starts is a straight line.
6, the according to claim 5 and matching used starting arrangement of hand starting diesel engine anti-reverse mechanism is characterized in that, it is 4-6 that ratchet lead set (9) is gone up set helical pitch groove (10).
7, a kind of hand starting diesel engine anti-reverse mechanism is characterized in that, it is provided with a ratchet assembly at least, and described ratchet assembly is located on starting shaft (11) gear chamber cover (14) on every side of diesel engine; The ratchet assembly is made of ratchet (1), positioning shaft (2), reverse position-limited shaft (3) and ratchet return spring (6), the front end of ratchet (1) stretches out to starting shaft (11) front side, ratchet (1) is connected on the gear chamber cover (14) by positioning shaft (2), oppositely position-limited shaft (3) is located on the gear chamber cover (14) of ratchet (1) rear side, and ratchet (1) is made one-way rotation around positioning shaft (2) under the effect of reverse position-limited shaft (3); Ratchet return spring (6) one ends are fixed on the gear chamber cover (14), the other end is located on the ratchet (1) ratchet (1) return under the effect of ratchet return spring (6).
8, hand starting diesel engine anti-reverse mechanism according to claim 7 is characterized in that, described ratchet assembly is 2-4.
9, a kind of and claim 7 or the matching used starting arrangement of 8 described hand starting diesel engine anti-reverse mechanisms, comprise operating crank (8) and supporting with it starting shaft (11), it is characterized in that, be fixed with ratchet lead set (9) on the described operating crank (8), ratchet lead set (9) is provided with at least one helical pitch groove (10), during operating crank (8) counter-rotating, the stress surface of helical pitch groove (10) is the helical pitch face (12) that edges up; The front end of described operating crank (8) is provided with bearing pin (15) or lead set (16), and when the front end of operating crank (8) was provided with bearing pin (15), the front end of supporting with it starting shaft (11) then was provided with lead set (16); When the front end of operating crank (8) was provided with lead set (16), the front end of supporting with it starting shaft (11) then was provided with bearing pin (15) or lead set (16); Helical pitch stress surface (13) when the front end lead set (16) of operating crank (8) or starting shaft (11) starts is a straight line.
10, the according to claim 9 and matching used starting arrangement of hand starting diesel engine anti-reverse mechanism is characterized in that, it is 4-6 that ratchet lead set (9) is gone up set helical pitch groove (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920038347XU CN201347832Y (en) | 2009-01-15 | 2009-01-15 | Anti-reversion device for hand-starting diesel engine and starting device matched with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920038347XU CN201347832Y (en) | 2009-01-15 | 2009-01-15 | Anti-reversion device for hand-starting diesel engine and starting device matched with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201347832Y true CN201347832Y (en) | 2009-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200920038347XU Expired - Fee Related CN201347832Y (en) | 2009-01-15 | 2009-01-15 | Anti-reversion device for hand-starting diesel engine and starting device matched with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201347832Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463787B (en) * | 2009-01-15 | 2010-10-27 | 刘素文 | Anti-contrarotation apparatus of hand-starting diesel engine and starting equipment matched with the same |
-
2009
- 2009-01-15 CN CNU200920038347XU patent/CN201347832Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101463787B (en) * | 2009-01-15 | 2010-10-27 | 刘素文 | Anti-contrarotation apparatus of hand-starting diesel engine and starting equipment matched with the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091118 Termination date: 20110115 |