CN202958218U - Reducer of mower - Google Patents
Reducer of mower Download PDFInfo
- Publication number
- CN202958218U CN202958218U CN 201220672027 CN201220672027U CN202958218U CN 202958218 U CN202958218 U CN 202958218U CN 201220672027 CN201220672027 CN 201220672027 CN 201220672027 U CN201220672027 U CN 201220672027U CN 202958218 U CN202958218 U CN 202958218U
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- China
- Prior art keywords
- mower
- driving shaft
- clutch
- worm screw
- helical gear
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- 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 - Fee Related
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Abstract
The utility model relates to a reducer of a mower. The reducer is arranged on a driving shaft of a field mower and comprises an outer covering portion, a worm and a spiral gear, wherein the outer covering portion is composed of a lower casing and an upper casing, a belt pulley is sleeved on the head portion of the worm, the spiral gear is sleeved on the driving shaft, the spiral gear is meshed with the worm, and clutch teeth are arranged on an end face of the spiral gear. A compression spring, a clutch, a first end face thrust bearing, a wear-resisting stopping sheet, a shifting fork and an oil contained powder shaft sleeve are sequentially arranged at one end, provided with the clutch teeth of the spiral gear, clutch teeth matched with the spiral gear are arranged on an end face of the clutch, and the clutch teeth are connected with the driving shaft through a transmission pin. A second end face thrust bearing, an adjusting gasket, an oil contained powder shaft sleeve and an elastic cylindrical pin are sequentially sleeved on a driving shaft of the field mower at the other end of the spiral gear, and wear-resisting sheets are arranged on two sides of the elastic cylindrical pin. Compared with the prior art, the reducer of the mower is good in radiating performance, not prone to seep oil, big in transmission ratio, reliable in clutch, simple in process and long in service life.
Description
Technical field
The utility model relates to a kind of decelerator, especially relates to a kind of decelerator for lawn machine.
Background technology
The decelerator of lawn machine is arranged on the driving shaft of mower.Traditional lawn machine reducing gear is to adopt oil sealing sealing, the decelerator of the worm and wheel of oil lubricating type or helical gear engagement and conical-surface friction type clutch; Perhaps adopt non-tight, the umbrella tooth engagement of grease lubrication formula and the decelerator of castellated clutch.Oil sealing sealing wherein, the worm and wheel of oil lubricating type or the decelerator of helical gear drive easily produce high temperature, poor radiation, easily oil impregnate, processing technology is complicated and the easy defectives such as inefficacy of conical-surface friction type clutch; And another kind of non-tight, although the decelerator of the engagement of the umbrella tooth of grease lubrication formula and castellated clutch has solved high temperature, oil impregnate, poor radiation phenomenon, but gearratio is little for it, the excessive very difficult equipped polytypic lawn machine of volume.
Summary of the invention
Therefore, main purpose of the present utility model is to solve traditional shortcoming, provide a kind of thermal diffusivity good, be difficult for oil impregnate, gearratio is large, clutch is reliable, technique is simple, the lawn machine decelerator of long service life.
For realizing above purpose, the technical scheme that the utility model adopts is to provide a kind of lawn machine decelerator, is located on the driving shaft of mower, it is characterized in that comprising sheath portion, is comprised of lower house, upper shell; Described sheath portion is provided with the worm screw location bearing; Worm screw is arranged in described worm screw location bearing, and the driving shaft of described worm screw and described mower is vertical; Described worm screw head is arranged with belt pulley, and described belt pulley is fixedly connected with described worm screw by fixed connecting piece; Helical gear is sheathed on the driving shaft of described mower, described helical gear and described worm engaging, and described helical gear end face is provided with the clutch tooth; Be provided with an end of clutch tooth at described helical gear, be arranged with successively Compress Spring, clutch, the first end face thrust bearing, wear-resisting catch on the driving shaft of described mower, wherein the end face at described clutch is provided with the clutch tooth that coordinates with described helical gear, and be provided with symmetrical straight-through keyway on internal diameter, the driving shaft of described mower is provided with a radial direction through hole, one trundle is arranged in described radial direction through hole, and described trundle two ends are located in described straight-through keyway; A side at described wear-resisting catch also is provided with shift fork, described shift fork can be done spinning movement and promote wear plate and move along the driving shaft of described mower, be provided with through hole on described upper shell, described shift fork is arranged in described through hole by sealing ring, stretches out the head of described sheath portion at described shift fork and fixes an arm-tie with self-locking nut; At the other end of described helical gear, be arranged with successively the second end face thrust bearing on the driving shaft of described mower, adjust pad; Be fixedly connected with two oil containing powder axle sleeves on described sheath portion, the driving shaft of described mower is arranged in described two oil containing powder axle sleeves, and described two oil containing powder axle sleeves are located at respectively the outside of described adjustment pad and described shift fork; The outside of an oil containing powder axle sleeve therein, one elastic cylindrical pin also is housed on the driving shaft of described mower, be provided with the wear plate on the driving shaft that is set in described mower in elastic cylindrical pin both sides, and described elastic cylindrical pin and described wear plate are packed together and are located in the cavity of described sheath portion into.
Optionally, the outer surface of described lower house, upper shell is provided with runner shape fin.
Optionally, the fixed connecting piece of the described belt pulley of connection and described worm screw is the elastic cylinder latch structure.
Optionally, described lower house is provided with draw-in groove, and described oil containing powder axle sleeve is provided with fixture block, and described draw-in groove matches with fixture block and is fixedly connected with described lower house and described oil containing powder axle sleeve.
After having adopted technique scheme, the utility model compared with prior art, thermal diffusivity is good, be difficult for oil impregnate, gearratio is large, clutch is reliable, technique is simple, long service life.
Description of drawings
Fig. 1 is structural representation profile of the present utility model
Fig. 2 is structural representation stereogram of the present utility model
Fig. 3 is the structural representation of lower house
Fig. 4 is the structural representation of oil containing powder axle sleeve
Embodiment
Below in conjunction with the drawings and specific embodiments, the lawn machine decelerator that the utility model is proposed further describes.
Please refer to Fig. 1, Fig. 2, the described lawn machine decelerator of the present embodiment is located on the driving shaft 8 of mower, it is characterized in that comprising sheath portion, is comprised of lower house 22, upper shell 18; Described sheath portion is provided with worm screw location bearing 4; Worm screw 3 is arranged in described worm screw location bearing 4, and the driving shaft 8 of described worm screw 3 and described mower is vertical; Described worm screw 3 heads are arranged with belt pulley 1, and described belt pulley 1 is by fixed connecting piece 2, and in figure, fixed connecting piece 2 is an elastic opening pin, is fixedly connected with described worm screw 3; Helical gear 11 is sheathed on the driving shaft 8 of described mower, described helical gear 11 and described worm screw 3 engagements, and described helical gear 11 end faces are provided with the clutch tooth; Be provided with an end of clutch tooth at described helical gear 11, be arranged with successively Compress Spring 12, clutch 13, the first end face thrust bearing 15, wear-resisting catch 17 on the driving shaft 8 of described mower, wherein the end face at described clutch 13 is provided with the clutch tooth that coordinates with described helical gear 11, and be provided with symmetrical straight-through keyway on internal diameter, the driving shaft 8 of described mower is provided with a radial direction through hole, one trundle 14 is arranged in described radial direction through hole, and described trundle 14 two ends are located in described straight-through keyway; A side at described wear-resisting catch 17 also is provided with shift fork 16, described shift fork 16 can be done spinning movement and promote wear plate 17 and move along the driving shaft 8 of described mower, be provided with through hole on described upper shell 18, described shift fork 16 is arranged in described through hole by sealing ring 19, stretches out the head of described sheath portion at described shift fork 16 and fixes an arm-tie 21 with self-locking nut 20; At the other end of described helical gear 11, be arranged with successively the second end face thrust bearing 5 on the driving shaft of described mower, adjust pad 6; Be fixedly connected with two oil containing powder axle sleeves 7 on described sheath portion, the driving shaft 8 of described mower is arranged in described two oil containing powder axle sleeves 7, and described two oil containing powder axle sleeves 7 are located at respectively the outside of described adjustment pad 6 and described shift fork 16; The outside of an oil containing powder axle sleeve 7 therein, one elastic cylindrical pin 9 also is housed on the driving shaft 8 of described mower, be provided with the wear plate 10 on the driving shaft 8 that is set in described mower in elastic cylindrical pin 9 both sides, and described elastic cylindrical pin 9 and described wear plate 10 are packed together and are located in the cavity of described sheath portion into.
Please refer to Fig. 2, the outer surface of described lower house 22, upper shell 18 is provided with runner shape fin in the present embodiment.
Please refer to Fig. 3, Fig. 4, described lower house 22 is provided with draw-in groove 701 in the present embodiment, and described oil containing powder axle sleeve 7 is provided with fixture block 702, and described draw-in groove 701 matches with fixture block 702 and is fixedly connected with described lower house 22 and described oil containing powder axle sleeve 7.
Above in order to illustrate and to describe to the description of the utility model preferred embodiment, be not want the utility model limit or be confined to disclosed concrete form, obviously, may make many modifications and variations, these modifications and variations may be obvious to those skilled in the art, within should being included in the scope of the present utility model by the appended claims definition.
Claims (4)
1. a lawn machine decelerator, be located on the driving shaft of mower, it is characterized in that comprising sheath portion, is comprised of lower house, upper shell; Described sheath portion is provided with the worm screw location bearing; Worm screw is arranged in described worm screw location bearing, and the driving shaft of described worm screw and described mower is vertical; Described worm screw head is arranged with belt pulley, and described belt pulley is fixedly connected with described worm screw by fixed connecting piece; Helical gear is sheathed on the driving shaft of described mower, described helical gear and described worm engaging, and described helical gear end face is provided with the clutch tooth; Be provided with an end of clutch tooth at described helical gear, be arranged with successively Compress Spring, clutch, the first end face thrust bearing, wear-resisting catch on the driving shaft of described mower, wherein the end face at described clutch is provided with the clutch tooth that coordinates with described helical gear, and be provided with symmetrical straight-through keyway on internal diameter, the driving shaft of described mower is provided with a radial direction through hole, one trundle is arranged in described radial direction through hole, and described trundle two ends are located in described straight-through keyway; A side at described wear-resisting catch also is provided with shift fork, described shift fork can be done spinning movement and promote wear plate and move along the driving shaft of described mower, be provided with through hole on described upper shell, described shift fork is arranged in described through hole by sealing ring, stretches out the head of described sheath portion at described shift fork and fixes an arm-tie with self-locking nut; At the other end of described helical gear, be arranged with successively the second end face thrust bearing on the driving shaft of described mower, adjust pad; Be fixedly connected with two oil containing powder axle sleeves on described sheath portion, the driving shaft of described mower is arranged in described two oil containing powder axle sleeves, and described two oil containing powder axle sleeves are located at respectively the outside of described adjustment pad and described shift fork; The outside of an oil containing powder axle sleeve therein, one elastic cylindrical pin also is housed on the driving shaft of described mower, be provided with the wear plate on the driving shaft that is set in described mower in elastic cylindrical pin both sides, and described elastic cylindrical pin and described wear plate are packed together and are located in the cavity of described sheath portion into.
2. lawn machine decelerator according to claim 1, is characterized in that the outer surface of described lower house, upper shell is provided with runner shape fin.
3. lawn machine decelerator according to claim 1, the fixed connecting piece that it is characterized in that connecting described belt pulley and described worm screw is the elastic cylinder latch structure.
4. lawn machine decelerator according to claim 1, is characterized in that described lower house is provided with draw-in groove, and described oil containing powder axle sleeve is provided with fixture block, and described draw-in groove matches with fixture block and is fixedly connected with described lower house and described oil containing powder axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220672027 CN202958218U (en) | 2012-12-10 | 2012-12-10 | Reducer of mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220672027 CN202958218U (en) | 2012-12-10 | 2012-12-10 | Reducer of mower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202958218U true CN202958218U (en) | 2013-06-05 |
Family
ID=48499380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220672027 Expired - Fee Related CN202958218U (en) | 2012-12-10 | 2012-12-10 | Reducer of mower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202958218U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104145616A (en) * | 2014-08-11 | 2014-11-19 | 徐月苗 | Self-propelled single-clutch device for mower |
| CN109640622A (en) * | 2016-09-01 | 2019-04-16 | 创科（澳门离岸商业服务）有限公司 | Hand-held working machine device |
-
2012
- 2012-12-10 CN CN 201220672027 patent/CN202958218U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104145616A (en) * | 2014-08-11 | 2014-11-19 | 徐月苗 | Self-propelled single-clutch device for mower |
| CN109640622A (en) * | 2016-09-01 | 2019-04-16 | 创科（澳门离岸商业服务）有限公司 | Hand-held working machine device |
| CN109640622B (en) * | 2016-09-01 | 2021-11-16 | 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 | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170515 Address after: Taizhou City, Zhejiang province 317600 Yuhuan County jade city streets after the Tang Yang Industrial Zone Patentee after: Yuhuan grand Machinery Co., Ltd. Address before: 317600 small water port industrial zone, Yucheng street, Taizhou, Yuhuan County, Zhejiang Patentee before: Yuhuan County Xinfu Machinery Co., Ltd. |
|
| 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: 20130605 Termination date: 20171210 |