CN202857343U - Clutch gearing of self-driven type grass cutter - Google Patents
Clutch gearing of self-driven type grass cutter Download PDFInfo
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- CN202857343U CN202857343U CN 201220465521 CN201220465521U CN202857343U CN 202857343 U CN202857343 U CN 202857343U CN 201220465521 CN201220465521 CN 201220465521 CN 201220465521 U CN201220465521 U CN 201220465521U CN 202857343 U CN202857343 U CN 202857343U
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- ratchet
- turbine
- self
- clutch transmission
- pressing plate
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Abstract
The utility model discloses a clutch gearing of a self-driven type grass cutter. The whole gearing comprises a worm wheel and a ratchet wheel, wherein the worm wheel and the ratchet wheel are coaxially arranged on a driving shaft. The worm wheel can rotate freely relative to the driving shaft, a worm rod is connected with a side edge of the worm wheel through a worm wheel pair structure, and a belt wheel which is driven by a power source is connected with the other side edge of the worm rod. Connecting teeth are arranged on an end face on the inner side of the worm wheel. The ratchet wheel can slide along the driving shaft in the axial direction, ratchets on the inner end face of the ratchet wheel are meshed with connecting teeth of the worm wheel when the ratchet wheel slides in place inward, and the ratchets on the inner end face of the ratchet wheel are completely separated from the connecting teeth of the worm wheel when the ratchet wheel slides in place outward. Therefore, the clutch gearing of the self-driven type grass cutter has the advantages of being reliable in operation, convenient to maintain, quick in switching of moving modes, and capable of effectively improving the whole stability of the grass cutter.
Description
Technical field
The utility model relates to a kind of mower, is specially a kind of clutch transmission of self-driving type mower.
Background technology
Wheel driving force mower the earliest is generally the hand-push type structure, is operated by artificial implementation in use, and operation is effort relatively.
For overcoming this situation, people utilized the power output of mower self afterwards, and the gear drive of plugging into comes drive machines to advance, but shortcoming is the method for operation that can't choose at random mower, advance in case unlatching work will inevitably promote machine, brought very large inconvenience to use.
For addressing the above problem, people have designed again the transmission device with the clutch function, but existing clutch is essentially friction disk type, namely by the locking of friction plate with get loose to control the operation of driving shaft, in case the friction plate lubricating system changes or weares and teares when strengthening, the separation of clutch and will become unreliable in conjunction with effect, this has brought very large inconvenience for operation and maintenance of mower.
The utility model content
For the problems referred to above, the utility model has designed a kind of clutch transmission of self-driving type mower, and it has easily characteristics of reliable, maintenance, can effectively promote the complete machine stability of mower.
For achieving the above object, the utility model is by the following technical solutions:
A kind of clutch transmission of self-driving type mower, whole device comprise coaxial turbine and the ratchet that is arranged on the driving shaft; But described turbine relative drive shaft rotates freely, and the side of turbine connects a worm screw by the worm gear structure, and the other end of worm screw connects a belt pulley by the power source drive; The inner side end of described turbine is provided with the connection teeth; Described ratchet only can endwisely slip along driving shaft, slides into a ratchet of rear its inner face and mesh with the teeth that are connected of turbine in ratchet, slides into a ratchet of rear its inner face and separate fully with the teeth that are connected of turbine outside ratchet.
Further, outer face engagement connection one frictional disk of above-mentioned turbine, the outside connection of described frictional disk arranges a location turbine wheel shaft to the location-plate of position.
Further, above-mentioned ratchet is connected with a pressing plate by the hook falcon structure that arranges on its outer face, is positioned on the driving shaft by the mechanism that endwisely slips after ratchet and pressing plate are integrally connected.
Further, the above-mentioned mechanism that endwisely slips comprises some slide bars, a turn and a shift fork, described each slide bar is around the driving shaft setting, axially being consistent of the guiding of each slide bar and driving shaft, and each slide bar snaps in the guide groove in each self-corresponding ratchet and the pressing plate endoporus; Described turn is arranged at the inboard between ratchet and the pressing plate, and ratchet and pressing plate are slidingly connected by turn and each slide bar; Described shift fork location is arranged on the middle part between ratchet and the pressing plate, and it is mobile vertically that shift fork can rotate and drive the ratchet relative drive shaft with the fork action.
Further, above-mentioned slide bar is protruding in the power-assisted that outer side edges is provided with after turn slip puts in place, and ratchet namely meshes with the teeth that are connected of turbine end face after cunning in the turn is crossed the power-assisted projection.
Further, at least one in above-mentioned turbine, ratchet, frictional disk, fixed head, pressing plate and the belt pulley adopts the plastic material of high-strength abrasion-proof.
Further, above-mentioned whole clutch transmission is outside equipped with a housing, and described housing is formed by upper shell and lower house stack combinations.
Further, above-mentioned housing adopts the plastic material of high-strength abrasion-proof.
In use, power source drive pulley by mower rotates, and then the drive worm screw is rotated synchronously, worm screw drives the rotation of turbine relative drive shaft by the worm gear structure afterwards, at this, if this moment, ratchet was separated with the teeth that are connected of turbine inner face, then turbine is in idling conditions, ratchet and driving shaft do not rotate, and whole mower is in halted state.
When mower need to advance, the pulling fork is to the position of closing, shift fork rotates with fork, and then the promotion ratchet slides to the turbine direction, after the turn of carrying ratchet is crossed the top of power-assisted projection, ratchet and turbine inner face be connected the teeth engagement, ratchet rotates synchronously with turbine, and drives drive shaft turns by slide bar and drive mower and advance.
And when mower when the middle needs that advance stop, the position that fork resets and swings back out under the effect of Flexible Reset, promoting shift fork rotates laterally, and then drive ratchet to sliding away from the turbine direction, ratchet and turbine are separated, and ratchet and driving shaft stop operating, and realize stopping of mower.
At this, in the separation process that ratchet slides outwardly along driving shaft, when in case turn is crossed the power-assisted projection top of slide bar outer side edges, the outside hypotenuse of power-assisted projection will be to reaction force that moves outward of turn, impel fast outer moving of ratchet, thereby can prevent that ratchet from moving past stopping in the journey outside, guarantee that ratchet separates with turbine fully, can effectively avoid the wearing and tearing that bring to turbine, ratchet because of half-clutch.
To sum up, separating of turbine in the utility model clutch transmission and ratchet is relatively reliable, the separation Problem of Failure that causes because expanding with heat and contract with cold or wearing and tearing can not occur, have easily characteristics of reliable, maintenance, can effectively promote the complete machine stability of mower.
In addition, a lot of accessories in the utility model can adopt the plastic material of high strength and high-wearing feature, such as turbine, ratchet, frictional disk, fixed head, pressing plate, belt pulley, housing, not only effectively cut down finished cost, and can reduce to a certain extent the operation noise of equipment.
Description of drawings
Fig. 1, structure cutaway view of the present utility model;
Fig. 2, stereochemical structure decomposing schematic representation of the present utility model;
The stereochemical structure decomposing schematic representation at Fig. 3, another visual angle of the utility model.
Embodiment
As Figure 1-3, a kind of clutch transmission of self-driving type mower, whole device comprises and is arranged on housing 1 interior coaxial turbine 3 and the ratchet 4 that is arranged on the driving shaft 2, described housing 1 is formed by upper shell 11 and lower house 12 stack combinations, and described driving shaft 2 two ends extend to beyond the housing 1 and connect the driving wheel gear of mower.
But described turbine 3 relative drive shafts 2 rotate freely, and in the present embodiment, along driving shaft 2 vibration occur for preventing turbine 3, outer face engagement connection one frictional disk 5 of described turbine 3, and frictional disk 5 outsides connect the location-plate 6 that location turbine 3 axial locations are set.The side of turbine 3 connects a worm screw 7 by worm gear structure 32, and the other end of worm screw 7 connects a belt pulley 8 by the drive of mower power source.The inner side end of turbine 3 is provided with and connects teeth 31.
Described ratchet 4 only can endwisely slip along driving shaft 2, slides into a ratchet of rear its inner face 41 and mesh with the teeth 31 that are connected of turbine 3 in ratchet 4, slides into a ratchet of rear its inner face 41 and separate fully with the teeth 31 that are connected of turbine 3 outside ratchet 4.In the present embodiment, ratchet 4 is connected with a pressing plate 43 by hook falcon 42 structures that arrange on its outer face, is positioned on the driving shaft 2 by the mechanism that endwisely slips after ratchet 4 and pressing plate 43 are integrally connected.
The described mechanism that endwisely slips comprises some slide bars 91, a turn 92 and a shift fork 93.In the present embodiment, the slide bar 91 of employing is four, in the middle of reality is used, sets as required slide bar 91 numbers.Each slide bar 91 evenly distributes around driving shaft 2 and arranges, axially being consistent of the guiding of each slide bar 91 and driving shaft 2, and each slide bar 91 snaps in the guide groove 411 in each self-corresponding ratchet 4 and pressing plate 43 endoporus.
Described turn 92 is arranged at the inboard between ratchet 4 and the pressing plate 43, and ratchet 4 and pressing plate 43 are slidingly connected by turn 92 and each slide bar 91.
Described shift fork 93 location are arranged on the middle part between ratchet 4 and the pressing plate 43, and it is mobile vertically that shift fork 93 can rotate and drive ratchet 4 relative drive shafts 2 with fork 931 actions.
At this, for realizing location and the power-assisted of turn 92 when slide bar 91 slides, described slide bar 91 is provided with the power-assisted projection 911 that a turn 92 slides after putting in place in outer side edges, ratchet 4 namely meshes with the teeth 31 that are connected of turbine 3 end faces after turn 92 interior cunnings are crossed power-assisted projection 911, ratchet 4 is close to turbine 3 under the reaction force of power-assisted projection 911 inboard hypotenuses, realize that turn 92 is in the location of driving shaft 2 on axially; And after turn 92 outer cunnings are crossed resistance projection 911, the outside hypotenuse of power-assisted projection 911 will be to 92 1 reaction forces that move outward of turn, impel fast outer moving of ratchet 4, thereby can prevent that ratchet 4 from moving past stopping in the journey outside, guarantee that ratchet 4 separates fully with turbine 3, avoid half-clutch situation occurring and the wearing and tearing that cause turbine 3, ratchet 4.
In use, power source drive pulley 8 by mower rotates, and then drive worm screw 7 is rotated synchronously, worm screw 7 drives 2 rotations of turbine 3 relative drive shafts by worm gear 32 structures afterwards, at this, if this moment, ratchet 4 was separated with the teeth 31 that are connected of turbine 3 inner faces, then turbine 3 is in idling conditions, ratchet 4 and driving shaft 2 do not rotate, and whole mower is in halted state.
When mower need to advance, pulling fork 931 is to the position of closing, shift fork 93 rotates with fork 931, and then promotion ratchet 4 slides to turbine 3 directions, after the turn 92 of carrying ratchet 4 is crossed the top of power-assisted projection 911, ratchet 4 and turbine 3 inner faces be connected teeth 31 engagements, ratchet 4 rotates synchronously with turbine 3, and drives driving shafts 2 rotations by slide bar 91 and drive mower and advance.
And when mower when the middle needs that advance stop, the position that fork 931 resets and swings back out under the effect of Flexible Reset, promoting shift fork 93 rotates laterally, and then drive ratchet 4 to sliding away from turbine 3 directions, ratchet 4 and turbine 3 are separated, ratchet 4 stops operating with driving shaft 2, realizes stopping of mower.
To sum up, separating of turbine 3 in the utility model clutch transmission and ratchet 4 is relatively reliable, the separation Problem of Failure that causes because expanding with heat and contract with cold or wearing and tearing can not occur, have easily characteristics of reliable, maintenance, can effectively promote the complete machine stability of mower.
In addition, a lot of accessories in the utility model can adopt the plastic material of high strength and high-wearing feature, such as turbine 3, ratchet 4, frictional disk 5, fixed head 6, pressing plate 43, belt pulley 8 and housing 1, not only effectively cut down finished cost, not only effectively cut down finished cost, and can reduce to a certain extent the operation noise of equipment.
The above, it only is better embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation know-why of the present utility model still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations or modification that above embodiment does.
Claims (8)
1. the clutch transmission of a self-driving type mower, it is characterized in that: whole device comprises coaxial turbine and the ratchet that is arranged on the driving shaft; But described turbine relative drive shaft rotates freely, and the side of turbine connects a worm screw by the worm gear structure, and the other end of worm screw connects a belt pulley by the power source drive; The inner side end of described turbine is provided with the connection teeth; Described ratchet only can endwisely slip along driving shaft, slides into a ratchet of rear its inner face and mesh with the teeth that are connected of turbine in ratchet, slides into a ratchet of rear its inner face and separate fully with the teeth that are connected of turbine outside ratchet.
2. the clutch transmission of a kind of self-driving type mower as claimed in claim 1 is characterized in that: outer face engagement connection one frictional disk of described turbine, the described frictional disk outside connect and a location turbine wheel shaft are set to the location-plate of position.
3. the clutch transmission of a kind of self-driving type mower as claimed in claim 1 or 2, it is characterized in that: described ratchet is connected with a pressing plate by the hook falcon structure that arranges on its outer face, is positioned on the driving shaft by the mechanism that endwisely slips after ratchet and pressing plate are integrally connected.
4. the clutch transmission of a kind of self-driving type mower as claimed in claim 3, it is characterized in that: the described mechanism that endwisely slips comprises some slide bars, a turn and a shift fork, described each slide bar is around the driving shaft setting, axially being consistent of the guiding of each slide bar and driving shaft, each slide bar snap in the guide groove in each self-corresponding ratchet and the pressing plate endoporus; Described turn is arranged at the inboard between ratchet and the pressing plate, and ratchet and pressing plate are slidingly connected by turn and each slide bar; Described shift fork location is arranged on the middle part between ratchet and the pressing plate, and it is mobile vertically that shift fork can rotate and drive the ratchet relative drive shaft with the fork action.
5. the clutch transmission of a kind of self-driving type mower as claimed in claim 4, it is characterized in that: described slide bar is protruding in the power-assisted that outer side edges is provided with after turn slip puts in place, and ratchet namely meshes with the teeth that are connected of turbine end face after cunning in the turn is crossed the power-assisted projection.
6. the clutch transmission of a kind of self-driving type mower as claimed in claim 4 is characterized in that: the plastic material of at least one the employing high-strength abrasion-proof in described turbine, ratchet, frictional disk, fixed head, pressing plate and the belt pulley.
7. the clutch transmission of a kind of self-driving type mower as claimed in claim 1, it is characterized in that: described whole clutch transmission is outside equipped with a housing, and described housing is formed by upper shell and lower house stack combinations.
8. the clutch transmission of a kind of self-driving type mower as claimed in claim 7 is characterized in that: the plastic material of described housing employing high-strength abrasion-proof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220465521 CN202857343U (en) | 2012-09-13 | 2012-09-13 | Clutch gearing of self-driven type grass cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220465521 CN202857343U (en) | 2012-09-13 | 2012-09-13 | Clutch gearing of self-driven type grass cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202857343U true CN202857343U (en) | 2013-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220465521 Expired - Fee Related CN202857343U (en) | 2012-09-13 | 2012-09-13 | Clutch gearing of self-driven type grass cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202857343U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015135453A1 (en) * | 2014-03-10 | 2015-09-17 | 天佑电器（苏州）有限公司 | Reducer with double-clutch structure |
| CN114365626A (en) * | 2016-09-01 | 2022-04-19 | 创科（澳门离岸商业服务）有限公司 | Hand-held working machine |
-
2012
- 2012-09-13 CN CN 201220465521 patent/CN202857343U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015135453A1 (en) * | 2014-03-10 | 2015-09-17 | 天佑电器（苏州）有限公司 | Reducer with double-clutch structure |
| US10006495B2 (en) | 2014-03-10 | 2018-06-26 | Suzhou Cleva Electric Appliance Co. Ltd. | Reducer with double-clutch structure |
| CN114365626A (en) * | 2016-09-01 | 2022-04-19 | 创科（澳门离岸商业服务）有限公司 | Hand-held working machine |
| CN114365626B (en) * | 2016-09-01 | 2023-09-29 | 创科（澳门离岸商业服务）有限公司 | Hand-held working machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20140913 |
|
| EXPY | Termination of patent right or utility model |