CN201221427Y - Reverse turning-proof swinging handle - Google Patents
Reverse turning-proof swinging handle Download PDFInfo
- Publication number
- CN201221427Y CN201221427Y CNU2008200408561U CN200820040856U CN201221427Y CN 201221427 Y CN201221427 Y CN 201221427Y CN U2008200408561 U CNU2008200408561 U CN U2008200408561U CN 200820040856 U CN200820040856 U CN 200820040856U CN 201221427 Y CN201221427 Y CN 201221427Y
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- CN
- China
- Prior art keywords
- counter
- dial sleeve
- ratchet shaft
- rotating dial
- ratchet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000000452 restraining effect Effects 0.000 claims description 33
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
The utility model relates to an anti-inversion handle, comprising a handle the lower part of which a casing is arranged, a one-way rotary machine, a fixed sleeve, a ratchet shaft, an inversion declutching sleeve and a pawl. The ratchet shaft is installed in the mounting hole of the inversion declutching sleeve by clearance fit; the two sides of the ratchet shaft are extended to the two ends of the inversion declutching sleeve respectively; one side of the inversion declutching sleeve is mounted in the casing, and the inversion declutching sleeve and the casing are in clearance fit; the pawl hinged on the casing is propped in the spacing groove of the inversion declutching sleeve and the spacing groove of the ratchet shaft; the two ends of a backspring are propped against the pawl and the inner wall of the casing, and a cover plate is mounted at the opening end of the casing; the inversion declutching sleeve arranged on the external part of the casing is connected with the fixed sleeve through the one-way rotary machine; a start-up pin extending out of the ratchet shaft is arranged in radial direction, or a start-up clipping-slot is arranged on the end part of the ratchet shaft in radial direction. The anti-inversion handle is reasonable in structure and is capable of disengaging from the start-up shaft.
Description
Technical field
The utility model relates to a kind of anti-reverse crank handle, belongs to single cylinder diesel accessory technical field.
Background technique
In field of internal combustion engine, single cylinder diesel generally adopts handle or electricity to start starting shaft, starts diesel engine by starting shaft driven plunger compression ignite oil vapour mixture.But along with continuing to increase of the cylinder bore of diesel engine, diesel engine starting moment increases, especially for using hand lever starting, add operator's reason, running torque or speed do not reach the required requirement of starting during starting, be prone to motor accidental counter rotation phenomenon, can not in time take out from starting dog because of shaking the hand, the result can damage the operator.At present for the disclosed anti-reverse mechanism of some single cylinder diesels, mainly by unidirectional rotating machinery, auxiliary starter axle and be arranged on unidirectional rotating machinery and the auxiliary starter axle between pilot pin guide groove mechanism etc. form, though can reach anti-reverse preferably effect, also deposit the defective of processed complex.Especially when pilot pin and guide groove break away from, to rotate again and move axially, and can not reach quick disengaging.
Summary of the invention
The purpose of this utility model provides a kind of rational in infrastructure, the anti-reverse crank handle that can break away from fast with starting shaft.
The utility model is that the technological scheme that achieves the above object is: a kind of anti-reverse crank handle, it is characterized in that: comprise that the bottom has the handle of housing, unidirectional rotating machinery, fixed cover, ratchet shaft, counter-rotating dial sleeve and ratchet, described ratchet shaft is installed in the mounting hole of counter-rotating dial sleeve and is Spielpassung, the both sides of ratchet shaft are extended the two ends of counter-rotating dial sleeve respectively, counter-rotating dial sleeve one side is installed in the housing, and counter-rotating dial sleeve and housing are Spielpassung, being hinged on ratchet in the housing withstands in the restraining groove of the restraining groove of counter-rotating dial sleeve and ratchet shaft, the two ends of Returnning spring withstand on respectively on ratchet and the inner walls, and cover plate is installed in the opening end of housing; The described counter-rotating dial sleeve that is arranged on outside is connected with fixed cover by unidirectional rotating machinery, and the ratchet shaft that stretches out the counter-rotating dial sleeve radially is provided with starting pin, or the end of ratchet shaft radially is provided with the starting draw-in groove.
The utility model has the following advantages after adopting technique scheme:
1, rational in infrastructure, compact.The utility model is directly installed ratchet, ratchet shaft, counter-rotating dial sleeve and unidirectional rotating machinery on handle, rational in infrastructure, is convenient to processing.When shaking handle, ratchet withstand on ratchet shaft and the counter-rotating dial sleeve restraining groove in make ratchet shaft and the counter-rotating dial sleeve move clockwise, ratchet shaft passes to running torque the starting shaft of diesel engine, drive the crankshaft of diesel engine flywheel and rotate starting together, unidirectional rotating machinery is inoperative at this moment then rotates with the counter-rotating dial sleeve; When the inertial force of diesel engine counter flywheel passed to ratchet shaft, ratchet shaft drove the counter-rotating together of shaking the hand by ratchet, under the effect of unidirectional rotating machinery, ratchet was withdrawed from the restraining groove of counter-rotating dial sleeve, lost torque reaction and stopped operating and make to shake the hand.
2, break away from rapidly.The utility model ratchet shaft and counter-rotating dial sleeve all adopt restraining groove mechanism, by the ratchet and the control of unidirectional rotating machinery that are installed on the housing, therefore when starting shaft passes to ratchet shaft with reverse running torque, only need overcome the frictional force of ratchet bottom surface and ratchet shaft restraining groove bottom surface, the restraining groove of ratchet from the counter-rotating dial sleeve can be withdrawed from, only exist ratchet shaft and relatively rotate, break away from rapid, reliable with the counter-rotating dial sleeve.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 be Fig. 1 remove the structure of cover plate schematic representation.
Fig. 3 is a blast structural representation of the present utility model.
Fig. 4 is the another kind of structural representation of the utility model ratchet shaft.
Fig. 5 be the utility model ratchet shaft and the counter-rotating dial sleeve structural representation three.
Fig. 6 be the utility model ratchet shaft and the counter-rotating dial sleeve structural representation four.
Fig. 7 be the utility model ratchet shaft and the counter-rotating dial sleeve structural representation five.
Wherein: 1-handle, 1-1-housing, 2-cover plate, 3-ratchet, the 4-dial sleeve that reverses, 4-1-restraining groove, 5-fixed cover, the spacing bearing of 5-1-, the unidirectional rotating machinery of 6-, 7-ratchet shaft, the 7-1-restraining groove, 7-2-starts draw-in groove, 8-starting pin, the 9-packing ring, 10-back-up ring, 11-Returnning spring, the 12-locating stud, 13-Cock screw, 14-back-up ring.
Embodiment
See shown in Fig. 1～3, anti-reverse crank handle of the present utility model, comprise that the bottom has the handle 1 of housing 1-1, unidirectional rotating machinery 6, fixed cover 5, ratchet shaft 7, counter-rotating dial sleeve 4 and ratchet 3, this handle 1 adopts crank structure, the bottom can be installed or welded case 1-1, or handle 1 and housing 1-1 made integrative-structure, unidirectional rotating machinery 6 can adopt unilateral bearing, free wheel device or click structure.See shown in Fig. 1～3, ratchet shaft 7 is installed in the mounting hole of counter-rotating dial sleeve 4 and is Spielpassung, both can relatively rotate, the both sides of ratchet shaft 7 are extended the two ends of counter-rotating dial sleeve 4 respectively, counter-rotating dial sleeve 4 one sides are installed in the housing 1-1, and counter-rotating dial sleeve 4 is a Spielpassung with housing 1-1, so counter-rotating dial sleeve 4 also can relatively rotate with housing 1-1, ratchet 3 is hinged in the housing 1-1 by protruding axle, and the bottom of ratchet 3 withstands in the restraining groove 7-1 of counter-rotating restraining groove 4-1 of dial sleeve 4 and ratchet shaft 7, the two ends of Returnning spring 11 withstand on respectively on ratchet 3 and the housing 1-1 inwall, and cover plate 2 is installed in the opening end of housing 1-1.The counter-rotating dial sleeve 4 that the utility model is arranged on housing 1-1 outside is connected with fixed cover 5 by unidirectional rotating machinery 6, this unidirectional rotating machinery 6 can be installed in the fixed cover 5 by packing ring 9 and back-up ring 10, fixed cover 5 of the present utility model has spacing bearing 5-1, projection that spacing bearing 5-1 is provided with or groove and diesel engine chamber cap match, make fixed cover 5 motionless, can be as shown in Figure 1, on spacing bearing 5-1, locating stud 12 is installed, the ratchet shaft 7 that stretches out counter-rotating dial sleeve 4 radially is provided with starting pin 8, this starting pin 8 adopts removable structure, the rear end of ratchet shaft 7 is provided with screw, the Cock screw 13 that is installed on the ratchet shaft 7 withstands on starting pin 8, or as shown in Figure 3, radially be provided with starting draw-in groove 7-2 in ratchet shaft 7 ends.
See shown in Figure 1, during the utility model work, ratchet shaft 7 one ends are injected in the starting axis hole of diesel engine, adjust the position of fixed cover 5, make on the starting shaft of ratchet shaft 7 clamping diesel engines, this moment, the bottom of ratchet 3 was pressed in the restraining groove 4-1 of the restraining groove 7-1 of ratchet shaft 7 and the dial sleeve 4 that reverses.When applying running torque by handle 1, running torque is passed to ratchet shaft 7 and counter-rotating dial sleeve 4 by ratchet 3, fixed cover 5 is stuck on the diesel engine chamber cap and relative fixed is motionless, ratchet shaft 7 is directly passed to running torque the starting shaft of diesel engine, thereby drive the crankshaft of diesel engine flywheel and rotate starting together, start the starting shaft release of will shaking the hand automatically smoothly until diesel engine.And when diesel engine reverses, the inertial force of flywheel passes to ratchet shaft 7 by starting shaft, ratchet shaft 7 drives handle 1 by ratchet 3 and reverses together, because counter-rotating dial sleeve 4 is that sky is enclosed within on the ratchet shaft 7, the torque reaction of ratchet shaft 7 can't be directly passed to counter-rotating dial sleeve 4, at this moment, the restraining groove side of counter-rotating dial sleeve 4 will contact with the back side of ratchet 3 along with the rotation of ratchet 3, contact back ratchet 3 can pass to running torque counter-rotating dial sleeve 4, force counter-rotating dial sleeve 4 to produce the movement tendency of rotation together, because counter-rotating dial sleeve 4 is connected with unidirectional rotating machinery 6, under the effect of unidirectional rotating machinery 6, do not allow to reverse dial sleeve 4 along running counterclockwise, so counter-rotating dial sleeve 4, unidirectional rotating machinery 6 and fixed cover 5 can not rotate, along with ratchet shaft 7, the continuation counter-rotating of ratchet 3 and handle 1, the groove side of the restraining groove 4-1 of counter-rotating dial sleeve 4 and the active force at the ratchet 3 lower curtate back sides also will become big gradually, overcome the frictional force of the restraining groove 7-1 groove face of ratchet 3 bottom surfaces and ratchet shaft 7 when this active force, ratchet 3 promptly withdraws from the restraining groove 4-1 of counter-rotating dial sleeve 4, ratchet 3 breaks away from ratchet shaft 7, make handle 1 lose torque reaction and stop operating, reach anti-reverse purpose.
Claims (7)
1, a kind of anti-reverse crank handle, it is characterized in that: comprise that the bottom has the handle of housing (1-1) (1), unidirectional rotating machinery (6), fixed cover (5), ratchet shaft (7), counter-rotating dial sleeve (4) and ratchet (3), described ratchet shaft (7) is installed in the mounting hole of counter-rotating dial sleeve (4) and is Spielpassung, the both sides of ratchet shaft (7) are extended the two ends of counter-rotating dial sleeve (4) respectively, counter-rotating dial sleeve (4) one sides are installed in the housing (1-1), and counter-rotating dial sleeve (4) is a Spielpassung with housing (1-1), being hinged on ratchet (3) in the housing (1-1) withstands in the restraining groove (7-1) of the restraining groove (4-1) of counter-rotating dial sleeve (4) and ratchet shaft (7), the two ends of Returnning spring (11) withstand on respectively on ratchet (3) and housing (1-1) inwall, and cover plate (2) is installed in the opening end of housing (1-1); The described outside counter-rotating dial sleeve (4) of housing (1-1) that is arranged on is connected with fixed cover (5) by unidirectional rotating machinery (6), the ratchet shaft (7) that stretches out counter-rotating dial sleeve (4) radially is provided with starting pin (8), or ratchet shaft (7) end radially is provided with starting draw-in groove (7-2).
2, anti-reverse crank handle according to claim 1, it is characterized in that: described ratchet shaft (7) is the T oblique crank Z, and the T shape of ratchet shaft (7) end is along being circumferentially with the V-arrangement of two five equilibriums or trapezoidal restraining groove (7-1), counter-rotating dial sleeve (4) is a T oblique crank Z cover, and the T shape of counter-rotating dial sleeve (4) end is along being circumferentially with the V-arrangement of two five equilibriums or trapezoidal restraining groove (4-1).
3, anti-reverse crank handle according to claim 2 is characterized in that: the T shape end circumferential size of described ratchet shaft (7) is less than the circumferential size of the T shape end of counter-rotating dial sleeve (4).
4, anti-reverse crank handle according to claim 1, it is characterized in that: described ratchet shaft (7) is the T oblique crank Z, and the T shape of ratchet shaft (7) end is provided with the restraining groove (7-1) less than diameter of axle indent, counter-rotating dial sleeve (4) is a T oblique crank Z cover, and the T shape of counter-rotating dial sleeve (4) end is for connecting the restraining groove (4-1) of breach.
5, anti-reverse crank handle according to claim 1, it is characterized in that: described ratchet shaft (7) is the T oblique crank Z, and the T shape of ratchet shaft (7) end is along being circumferentially with V-arrangement or trapezoidal restraining groove (7-1), counter-rotating dial sleeve (4) is a T oblique crank Z cover, and the T shape of counter-rotating dial sleeve (4) end is for connecting the restraining groove (4-1) of breach.
6, anti-reverse crank handle according to claim 1, it is characterized in that: described ratchet shaft (7) optical axis, ratchet shaft (7) one sides are provided with the restraining groove (7-1) that is lower than diameter of axle indent, and counter-rotating dial sleeve (4) is isometrical axle sleeve, and counter-rotating dial sleeve (4) one ends are the restraining groove (4-1) that has notch.
7, anti-reverse crank handle according to claim 1 is characterized in that: described fixed cover (5) has spacing bearing (5-1), and spacing bearing (5-1) is provided with projection or groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200408561U CN201221427Y (en) | 2008-07-15 | 2008-07-15 | Reverse turning-proof swinging handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200408561U CN201221427Y (en) | 2008-07-15 | 2008-07-15 | Reverse turning-proof swinging handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201221427Y true CN201221427Y (en) | 2009-04-15 |
Family
ID=40574935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200408561U Expired - Lifetime CN201221427Y (en) | 2008-07-15 | 2008-07-15 | Reverse turning-proof swinging handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201221427Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168639A (en) * | 2010-02-26 | 2011-08-31 | 洋马株式会社 | Engine starting device |
-
2008
- 2008-07-15 CN CNU2008200408561U patent/CN201221427Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168639A (en) * | 2010-02-26 | 2011-08-31 | 洋马株式会社 | Engine starting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090415 |
|
| CX01 | Expiry of patent term |