CN201563393U - Speed changing box output shaft clutch mechanism in self-walking grass lawn grass cutter - Google Patents
Speed changing box output shaft clutch mechanism in self-walking grass lawn grass cutter Download PDFInfo
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- CN201563393U CN201563393U CN2010200031191U CN201020003119U CN201563393U CN 201563393 U CN201563393 U CN 201563393U CN 2010200031191 U CN2010200031191 U CN 2010200031191U CN 201020003119 U CN201020003119 U CN 201020003119U CN 201563393 U CN201563393 U CN 201563393U
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- clutch
- output shaft
- sliding sleeve
- sleeve
- shaft
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Abstract
The utility model discloses a speed changing box output shaft clutch mechanism in a self-walking grass lawn grass cutter, which comprises an oil sealer, an output shaft, a plane bearing, a bevel gear, a cone gear, a shaft sleeve, an elastic pin, a clutch slide sleeve, a clutch separation shaft, a first gasket, an elastic baffle ring, a spring and a second gasket which are sequentially sheathed on the output shaft, both ends of the output shaft are respectively propped against inside the clutch slide sleeve and on the second gasket, the cone gear and the bevel gear are engaged, the shaft sleeve is fixedly connected with the output shaft through the elastic pin, the clutch slide sleeve is in gap fit with a splines arranged on the shaft sleeve, a clutch separation shaft is vertically arranged on the clutch slide sleeve, a shifting fork extends in the radial direction and is butted against the inner side of the first gasket, the upper end of the clutch separation shaft passes through the upper side of the box body and is then fixedly connected with a clutch swinging arm, both ends of a tension spring are hooked and connected and are respectively arranged on an upper box cover and on an end hole of the clutch swinging arm, and the other end of the clutch swinging arm is hinged with a clutch operation mechanism. The utility model has a compact structure, the clutch slide sleeve and the bevel gear adopt an integral structure, the clutch reliability and the operation stability are improved, and the utility model has the durability, can meet the requirement of commercial purpose of the self-walking grass lawn grass cutter, and has the advantages of low manufacture cost and good economic benefit and social benefit.
Description
Technical field
The utility model relates to a kind of arrangement of clutch of output shaft of gear-box, especially a kind ofly is used to control the small-sized self-walking hay mower from walking or the arrangement of clutch of halted state, belongs to the graden machine technical field.
Background technology
Along with the growth in the living standard and the needs of beautifying the environment, municipal gardens, residential quarters still are villa district or the like lawn usable floor area rapid growth, and lawn maintenance work is doubled and redoubled.Hay mower is as the greening maintenance prevention, and the medium-to-high grade hay mower that has automatic walking function is used more and more widely, plays an important role in lawn maintenance work.
The gearbox some of the self-moving lawn mower of Shi Yonging is by import in the market.Self-moving lawn mower is mainly family expenses abroad and occupies the majority, and works long hours and some commercial large tracts of land operations and generally be used for professional gardens service companies at home.The supporting speed changer of import self-moving lawn mower is at the Chinese market live load of not competent hard intensity often; In case damaging needs the import accessory to keep in repair, and is the comparison costliness on maintenance cost, but and special import bussiness class gearbox because price is high, make cost higher.
At present domestic hay mower commonly used adopts homemade turbine and worm to slow down usually and cooperates the turbine inner conical surface clutch of lever pushing.Facts have proved, the taper hole of output shaft of gear-box clutch, conehead whole in conjunction with or when separating, the relative sliding friction of both faying faces is very big, will not produce faying face wearing and tearing, the disadvantage that cause arrangement of clutch lost efficacy when long service time.This structure also has in use along with the increase in temperature in the gearbox, often cause taper hole, conehead whole in conjunction with after dead disengaging of rising close not open, also can continue after walk gauge tap from walking transmission unclamping, cause extremely and can not in time stop to move, dependability and durability can not well be guaranteed.
Summary of the invention
The purpose of this utility model is to have solved the high deficiency of import bussiness class gearbox price at existing hay mower with the driving reduction box, also solved simultaneously the labile state of domestic existing reduction box clutch technology, in order to satisfy from walking the hay mower requirement of commercial use at home.Provide a kind of clutch reliable and stable, control easy and convenient, service life is longer, be a kind of cost performance higher walk output shaft of gear-box clutch in the hay mower certainly, has hay mower simple and compact for structure with driving reduction box, part is one-body molded, the arrangement of clutch of the output shaft of gear-box for lawn-mower that technology is simple and stable.
The utility model is achieved by the following technical programs:
A kind of from walking output shaft of gear-box clutch in the hay mower, comprise that output shaft (6), plane bearing (11), umbrella tooth (4), awl tooth (5), axle sleeve (7), resilient key (18), clutch sliding sleeve (8), clutch declutch shaft (3), pad worker (14), circlip (19), spring (13), pad II (10) are sleeved on the output shaft successively, spring (13) is sleeved on the circle footpath end of axle sleeve (7), axle sleeve (7) and spring (13) are contained in the clutch sliding sleeve (8), its two ends withstand respectively in clutch sliding sleeve (8) and pad II (10) on; Awl tooth (5) and umbrella tooth (4) engagement, the other end of umbrella tooth (4) pastes mutually with plane bearing (11); Axle sleeve (7) is fixedlyed connected with output shaft (6) by resilient key (18), described clutch sliding sleeve (8) by with axle sleeve (7) upper spline matched in clearance; Pad I (14) and circlip (19) are housed respectively on the clutch sliding sleeve (8), described clutch declutch shaft (3) is vertically set on the clutch sliding sleeve (8), its shift fork (31) radially extends on pad I (14) inboard that is resisted against, the upper end of described clutch declutch shaft (3) passes casing (1) and upward fixedlys connected with clutch swing arm (9) rear flank, a wherein end (121) clasp joint of described extension spring (12) fixing on upper box lid (2), the other end (122) clasp joint is on a stomidium of clutch swing arm (9), and the other end and the on-off control mechanism of described clutch swing arm (9) are hinged.
The purpose of this utility model can also further realize by following technical measures.
The clutch device of output shaft of gear-box of aforesaid hay mower, wherein said umbrella tooth (4) inner side end place is provided with the ratchet of projection, an end face of described clutch sliding sleeve (8) is provided with the rightabout ratchet, by clutch sliding sleeve (8) moving to umbrella tooth (4) direction on axle, under the effect by spring (13), the inner ratchet of the umbrella tooth (4) that drives is in the ratchet of clutch sliding sleeve (8) end and contacts engagement, thereby realizes the clutch function of gearbox.
The utility model is simple in structure, rapid operation, long service life.Fundamentally overcome existing from walking in the hay mower this structure in use along with the increase in temperature in the gearbox, often cause taper hole, conehead whole in conjunction with after dead disengaging of rising close not open, also can continue after walk gauge tap from walking transmission unclamping, cause extremely and can not in time stop to move, the disadvantage that causes arrangement of clutch to lose efficacy.The utility model adopts the clutch union piece of the engagement of the inner ratchet of the umbrella tooth (4) of driving and the ratchet of clutch sliding sleeve (8) end as power input and output shaft of gear-box (6) dexterously, spurring in the clutch swing arm (9) on the gearbox under the power effect of on-off control mechanism pull bar, clutch declutch shaft (3) moves toward umbrella tooth (4) direction that drives, pad I (14), circlip (19) and clutch sliding sleeve (8) pass through spring (13) simultaneously by under the effect of radial push, also move to umbrella tooth (4) direction that drives, spring (13) is in open configuration, utilize the engagement of the ratchet and the ratchet that clutch sliding sleeve (8) is held of umbrella tooth (4) the inner that drives, the spline of clutch sliding sleeve (8) internal diameter and axle sleeve (7) external diameter drives axle sleeve and rotates, axle sleeve (7) is fixedlyed connected with output shaft (6) by resilient key (18), thereby realization output shaft (6) combines with umbrella tooth (4) transmission that drives, and hay mower remains on from walking state.Otherwise, after the external force of pulling on-off control mechanism pull bar disappears, under the effect of the extension spring on the gearbox (12), clutch swing arm (9) on gearbox is reset, the pulling force that utilizes extension spring (12) is greater than spring (13) elastic force, make under the tension of the clutch swing arm (9) on the gearbox, pad I (14) drive circlip (19) and clutch sliding sleeve (8) that shift fork (31) withstands on the clutch declutch shaft (3) radially promote along pad II (10) direction, spring (13) is in compressive state, the ratchet that the inner ratchet of the umbrella tooth (4) that drives and clutch sliding sleeve (8) are held separated, thereby realization output shaft (6) separates with umbrella tooth (4) transmission that drives, and hay mower remains on and stops from walking.The utility model compact conformation, radial dimension is less; The umbrella tooth (4) and the clutch sliding sleeve (8) that drive adopt whole metallurgical structure, and process and assemble is easy to maintenance, low cost of manufacture; The umbrella tooth (4) of driving of the present utility model and the ratchet contact area of clutch sliding sleeve (8) are big, and the umbrella tooth (4) and the clutch sliding sleeve (8) that drive all pass through Quenching Treatment, shock resistance is higher, liquid gear oil is equipped with in casing (1) inside, service life is longer, has improved reliability of the present utility model.
Advantage of the present utility model and characteristics will illustrate by the non-limitative illustration of following preferred embodiment and explain that these embodiment only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is a front view of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is a three-dimensional exploded view of the present utility model;
Fig. 4 be the A of Fig. 3 to stereogram, the utility model is in bonding state;
Fig. 5 is the B-B cutaway view of Fig. 1, and the utility model is in bonding state;
Fig. 6 is the B-B cutaway view of Fig. 1, and the utility model is in released state;
Fig. 7 is a F-F cutaway view of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As Fig. 1～shown in Figure 7, the utility model comprises oil sealing (15), output shaft (6), plane bearing (11), umbrella tooth (4), awl tooth (5), axle sleeve (7), resilient key (18), clutch sliding sleeve (8), clutch declutch shaft (3), pad I (14), circlip (19), spring (13), pad II (10) is sleeved on the output shaft successively, be respectively equipped with the deep groove ball bearing (17) that is fixed in the case lid (2) in the outside of umbrella tooth (4), output shaft (6) supports by the endoporus of its casing (1) both sides, the endoporus of casing (1) both sides is provided with 2 oil sealings (15) outward, the upper end of clutch declutch shaft (3) passes casing (1) and upward fixedlys connected with clutch swing arm (9) rear flank, the two ends of extension spring (12) clasp joint are respectively located to locate with (122) of clutch swing arm (9) at case lid (2) upside (121), the other end and the on-off control mechanism of clutch swing arm (9) are hinged, back and forth draw by on-off control mechanism and to put, to the ratchet of the inner ratchet of the umbrella tooth (4) that drives and clutch sliding sleeve (8) end separated frequently move axially the retaining effect of playing.
As shown in Figure 3, the utility model comprises oil sealing (15), output shaft (6), plane bearing (11), umbrella tooth (4), awl tooth (5), axle sleeve (7), resilient key (18), clutch sliding sleeve (8), clutch declutch shaft (3), pad I (14), circlip (19), spring (13), pad II (10) is sleeved on the output shaft successively, be illustrated in figure 4 as on Fig. 3 A to being in the bonding state stereogram, under the effect of the skilful screen resilience of spring (13), promoting clutch sliding sleeve (8) radially slides on the spline of axle sleeve (7), move the engagement of the ratchet of ratchet that the umbrella tooth (4) of driving is inner and clutch sliding sleeve (8) end along arrow D direction among Fig. 5.
As Fig. 1, Fig. 2, shown in Figure 3, the logical opposite side face in the upper end of awl tooth (5) is fixedlyed connected with V belt wheel (16), V belt wheel (16) with the transmission of power of engine to boring tooth (5), awl tooth (5) and umbrella tooth (4) engagement, pad I (14) and circlip (19) are fixed on the clutch sliding sleeve (8), the interior step of clutch sliding sleeve (8) is equipped with spring (13), withstand respectively on clutch sliding sleeve (8) ladder inwall and pad II (10) at its spring (13) two ends, clutch sliding sleeve (8) internal diameter radially slides with the spline of axle sleeve (7) external diameter and cooperates, and axle sleeve (7) is fixedlyed connected with output shaft (6) by resilient key (18).It is other that clutch declutch shaft (3) is vertically set on clutch sliding sleeve (8), its shift fork that radially extends (31) is resisted against on the end of pad II (10), the upper box lid (211) that the upper end of clutch declutch shaft (3) passes casing (1) is gone up the rear flank and is fixedlyed connected with clutch swing arm (9) by bolt (20), one end (121) clasp joint of extension spring (12) fixing on upper box lid (2), the other end (122) clasp joint is on a stomidium of clutch swing arm (9), and the pull bar (not drawing among Fig. 2) of the other end of clutch swing arm (9) and on-off control mechanism is hinged.Because clutch swing arm (9) is the lever construction of power arm greater than resistance arm,, just can produce bigger turning moment, rapid operation to clutch declutch shaft (3) as long as the pull bar of on-off control mechanism is applied very little power.
As Fig. 2, Fig. 5, shown in Figure 7, external force is according to the direction pulling on-off control mechanism pull bar of arrow C indication among Fig. 2, clutch swing arm (9) is clockwise rotated around clutch declutch shaft (3) center, extension spring (12) is elongated, the clutch declutch shaft (3) of fixedlying connected with clutch swing arm (9) also clockwise rotates, shift fork (31) turns to the direction of umbrella tooth (4), pad II (10) left end constraint relief on the clutch sliding sleeve (8), under the effect of the skilful screen resilience of spring (13), promoting clutch sliding sleeve (8) radially slides on the spline of axle sleeve (7), move along arrow D direction among Fig. 5, the engagement of the ratchet of ratchet that the umbrella tooth (4) that drives is inner and clutch sliding sleeve (8) end, until spacing by shift fork (31), make the utility model be in bonding state, the power of engine is delivered to awl tooth (5) by V belt wheel (16), drive umbrella tooth (4) rotation with its engagement, umbrella tooth (4) rotates by driving axle sleeve (7) with its clutch sliding sleeve (8) that radially is connected, clutch sliding sleeve (8) internal diameter radially slides with the spline of axle sleeve (7) external diameter and cooperates, axle sleeve (7) is fixedlyed connected with output shaft (6) by resilient key (18), output shaft (6) is driven to rotate, thereby hay mower is realized from walking.
As shown in Figure 6, after the external force of pulling on-off control mechanism pull bar disappears, under the effect of the extension spring on the gearbox (12), clutch swing arm (9) on gearbox is reset, the pulling force that utilizes extension spring (12) is greater than spring (13) elastic force, make under the tension of the clutch swing arm (9) on the gearbox, pad I (14) drive circlip (19) and clutch sliding sleeve (8) that shift fork (31) withstands on the clutch declutch shaft (3) radially promote along arrow E direction among Fig. 6, spring (13) is in compressive state, the ratchet that the inner ratchet of the umbrella tooth (4) that drives and clutch sliding sleeve (8) are held separated, thereby realization output shaft (6) separates with umbrella tooth (4) transmission that drives, and hay mower remains on and stops from walking.
As shown in Figure 7: comprise casing (1), case lid (2), clutch declutch shaft (3), umbrella tooth (4), awl tooth (5), output shaft (6), axle sleeve (7), clutch sliding sleeve (8), clutch swing arm (9), pad II (10), plane bearing (11), extension spring (12), spring (13), pad I (14), oil sealing (15), V belt wheel (16), deep groove ball bearing (17), straight pin (18), circlip (19), bolt (20), screw (21).
In addition to the implementation, the utility model can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (4)
1. walk output shaft of gear-box clutch in the hay mower certainly for one kind, it is characterized in that: comprise oil sealing (15), output shaft (6), plane bearing (11), umbrella tooth (4), awl tooth (5), axle sleeve (7), resilient key (18), clutch sliding sleeve (8), clutch declutch shaft (3), pad I (14), circlip (19), spring (13), pad II (10) is sleeved on the output shaft successively, two outer ends on the output shaft are provided with two moulding oil sealings (15), spring (13) is sleeved on the circle footpath end of axle sleeve (7), axle sleeve (7) and spring (13) are contained in the clutch sliding sleeve (8), its two ends withstand respectively in clutch sliding sleeve (8) and pad II (10) on; Awl tooth (5) and umbrella tooth (4) engagement, the other end of umbrella tooth (4) pastes mutually with plane bearing (11); Axle sleeve (7) is fixedlyed connected with output shaft (6) by resilient key (18), described clutch sliding sleeve (8) by with axle sleeve (7) upper spline matched in clearance; Pad I (14) and circlip (19) are housed respectively on the clutch sliding sleeve (8), described clutch declutch shaft (3) is vertically set on the clutch sliding sleeve (8), its shift fork (31) radially extends on pad I (14) inboard that is resisted against, the upper end of described clutch declutch shaft (3) passes casing (1) and upward fixedlys connected with clutch swing arm (9) rear flank, a wherein end (121) clasp joint of described extension spring (12) fixing on upper box lid (2), the other end (122) clasp joint is on a stomidium of clutch swing arm (9), and the other end and the on-off control mechanism of described clutch swing arm (9) are hinged.
2. as claimed in claim 1 from walking output shaft of gear-box clutch in the hay mower, it is characterized in that: described umbrella tooth (4) inner side end place is provided with the ratchet of 1～8 projection, and an end face of described clutch sliding sleeve (8) is provided with 1～8 rightabout ratchet.
3. as claimed in claim 2 from walking output shaft of gear-box clutch in the hay mower, it is characterized in that: described clutch sliding sleeve (8) internal diameter is provided with 1～8 and spends strong groove, described axle sleeve (7) external diameter be provided with 1～8 with the supporting spline of clutch sliding sleeve.
4. as claimed in claim 1 from walking output shaft of gear-box clutch in the hay mower, it is characterized in that: described spring (13) is sleeved on the circle footpath end of axle sleeve (7), described axle sleeve (7) external diameter is that an end is that straight spline and end circle structure formed stairstepping, axle sleeve (7) and spring (13) are contained in the clutch sliding sleeve (8), described clutch sliding sleeve (8) internal diameter is that an end is that straight spline and end circle structure formed stairstepping, and withstand respectively on clutch sliding sleeve (8) ladder inwall and pad II (10) at its two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200031191U CN201563393U (en) | 2010-01-08 | 2010-01-08 | Speed changing box output shaft clutch mechanism in self-walking grass lawn grass cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200031191U CN201563393U (en) | 2010-01-08 | 2010-01-08 | Speed changing box output shaft clutch mechanism in self-walking grass lawn grass cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201563393U true CN201563393U (en) | 2010-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200031191U Expired - Fee Related CN201563393U (en) | 2010-01-08 | 2010-01-08 | Speed changing box output shaft clutch mechanism in self-walking grass lawn grass cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201563393U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102687609A (en) * | 2012-05-21 | 2012-09-26 | 浙江亚特电器有限公司 | Grass raker with clutch mechanism |
| CN114731909A (en) * | 2022-03-15 | 2022-07-12 | 扬州维邦园林机械有限公司 | Turf periodic cutting device of turf removing machine |
-
2010
- 2010-01-08 CN CN2010200031191U patent/CN201563393U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102687609A (en) * | 2012-05-21 | 2012-09-26 | 浙江亚特电器有限公司 | Grass raker with clutch mechanism |
| CN114731909A (en) * | 2022-03-15 | 2022-07-12 | 扬州维邦园林机械有限公司 | Turf periodic cutting device of turf removing 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20130108 |