CN201269289Y - Shift transmission mechanism of loosener - Google Patents
Shift transmission mechanism of loosener Download PDFInfo
- Publication number
- CN201269289Y CN201269289Y CNU2008200845949U CN200820084594U CN201269289Y CN 201269289 Y CN201269289 Y CN 201269289Y CN U2008200845949 U CNU2008200845949 U CN U2008200845949U CN 200820084594 U CN200820084594 U CN 200820084594U CN 201269289 Y CN201269289 Y CN 201269289Y
- Authority
- CN
- China
- Prior art keywords
- gear
- groove
- modified
- way connecting
- connecting rod
- 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 - Fee Related
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- Soil Working Implements (AREA)
Abstract
The utility model relates to a loosener, in particular to a gear shifting transmission device of a loosener, which comprises a shift handle, a limiting plate, a two-way connecting bar, a transmission fork, a transmission fork shaft, a modified gear, a forward gear and a reverse gear. The shift handle is contained in a groove of the limiting plate; the groove of the limiting plate comprises a forward groove, a neutral position groove and a reverse groove; the front end of the shift handle is connected with the two-way connecting bar; the middle part of the two-way connecting bar is articulated and arranged on a stander; the front end of the two-way connecting bar is articulated with one end of the transmission fork shaft; the transmission fork is fixed on the transmission fork shaft, the front end of the transmission fork is contained in the groove of the modified gear which comprises a forward modified gear and a reverse modified gear; and poking of the transmission fork can lead the forward gear and the reverse gear to be respectively meshed with the forward modified gear and the reverse modified gear. The gear shifting transmission device has the advantages of simple structure and convenient implementation.
Description
Technical field
The utility model relates to a kind of loosenning tiller, relates in particular to the gearshift transmission device of loosenning tiller.
Background technique
Existing loosenning tiller comprises handrail, fuselage, the break bar that loosens the soil, motor and actuating unit, and this loosenning tiller has simple in structure, implements characteristics easily.But because the structure of not shifting gears, loosenning tiller can only advance, and can not retreat, and uses and inconvenience.
Summary of the invention
In order to solve the technological deficiency that above-mentioned loosenning tiller does not have gear reversing function, the purpose of this utility model provides a kind of gearshift transmission device of loosenning tiller, its have simple in structure, implement characteristics easily.
In order to realize above-mentioned purpose, the utility model has adopted following technological scheme:
The gearshift transmission device of loosenning tiller, comprise gear handle, limiting board, two-way connecting rod, shift fork, declutch shift shaft, modified gear, forward gear gear and reverse gear, described gear handle is contained in the groove of limiting board, and the limiting board groove comprises the groove that advances, neutral groove and the groove that reverses gear; The front end of gear handle connects two-way connecting rod, and the middle part of two-way connecting rod is hinged to be arranged on the frame, and an end of the front end of two-way connecting rod and declutch shift shaft is hinged; Described shift fork is fixed on the declutch shift shaft, the front end of shift fork is contained in the groove of modified gear, modified gear comprises the advance modified gear and the modified gear that reverses gear, and stirs shift fork, and described forward gear gear and reverse gear can be meshed with the advance modified gear and the modified gear that reverses gear respectively.
As preferably, above-mentioned declutch shift shaft is provided with positioning device, and positioning device is made up of 3 locating slots and a place kick that is connected with spring of being arranged on the declutch shift shaft right-hand member.On the one hand, the function of positioning device mainly is to make the modified gear accurate positioning, realizes gearshift accurately, and on the other hand, positioning device can prevent automatic off-gear in service.
As preferably, the front end of above-mentioned two-way connecting rod is provided with socket, and described declutch shift shaft is provided with protruding axle, and protruding axle is arranged in the socket, forms hinging structure.Above-mentioned structure has realized being articulated and connected of two-way connecting rod and declutch shift shaft, has characteristic of simple structure.
The utility model is owing to adopted above-mentioned technological scheme, normal forward travel state gear handle is limited to the groove that advances, advance modified gear and forward gear gear engagement on the modified gear, loosenning tiller advances, and need change when reversing gear, and the gear handle pushes the groove that reverses gear, the modified gear reverse gear that reverses gear engagement, loosenning tiller retreats, and when needing neutral, the gear handle is pushed the neutral groove get final product.The utlity model has simple in structure, implement characteristics easily.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is made a detailed explanation.
The gearshift transmission device of loosenning tiller as shown in Figure 1 comprises gear handle 20, limiting board 19, two-way connecting rod 17, shift fork 11, declutch shift shaft 10, modified gear 7, forward gear gear 3 and reverse gear 4.Shift fork 11, declutch shift shaft 10, modified gear 7, forward gear gear 3 and reverse gear 4 are separately positioned in the gear-box, and forward gear gear 3 and reverse gear 4 are connected the break bar 1 that loosens the soil of loosenning tiller by a belt 2.
As shown in Figure 1, gear handle 20 is contained in the groove of limiting board 19, and the groove of limiting board 19 comprises the groove that advances, neutral groove and the groove that reverses gear.The front end of gear handle 20 is by the two-way connecting rod 17 that is threaded, the middle part of two-way connecting rod 17 is hinged to be arranged on the frame 14, and the front end of two-way connecting rod 17 is provided with socket 15, and described declutch shift shaft 10 is provided with protruding axle 16, protruding axle 16 is arranged in the socket 15, forms hinging structure.Also be provided with positioning device on the declutch shift shaft 10 in addition, positioning device is made up of 3 locating slots 13 and a place kick 12 that is connected with spring of being arranged on declutch shift shaft 10 right-hand members, 3 the corresponding respectively forward gears of locating slot 13, neutrals and reverse gear.
As shown in Figure 1, shift fork 11 is fixed on the declutch shift shaft 10, and the front end 9 of shift fork 11 is contained in the groove 5 of modified gear 7, and modified gear 7 comprises the advance modified gear 6 and the modified gear 8 that reverses gear.Stir shift fork 11, forward gear gear 3 and reverse gear 4 can be meshed with the advance modified gear 6 and the modified gear 8 that reverses gear respectively.
Normal forward travel state, gear handle 20 is limited to the groove that advances, advance modified gear 6 and 3 engagements of forward gear gear on the modified gear 7, loosenning tiller advances, and need change when reversing gear, and gear handle 20 pushes the groove that reverses gear, modified gear 8 reverse gears 4 that reverse gear mesh, loosenning tiller retreats, and when needing neutral, gear handle 20 is pushed the neutral groove get final product.
Claims (3)
1. the gearshift transmission device of loosenning tiller, it is characterized in that: comprise gear handle (20), limiting board (19), two-way connecting rod (17), shift fork (11), declutch shift shaft (10), modified gear (7), forward gear gear (3) and reverse gear (4), described gear handle (20) is contained in the groove of limiting board (19), and the groove of limiting board (19) comprises the groove that advances, neutral groove and the groove that reverses gear; The front end of gear handle (20) connects two-way connecting rod (17), and the middle part of two-way connecting rod (17) is hinged to be arranged on the frame (14), and an end of the front end of two-way connecting rod (17) and declutch shift shaft (10) is hinged; Described shift fork (11) is fixed on the declutch shift shaft (10), the front end of shift fork (11) is contained in the groove (5) of modified gear (7), modified gear (7) comprises modified gear that advances (6) and the modified gear that reverses gear (8), stir shift fork (11), described forward gear gear (3) and reverse gear (4) can be meshed with modified gear that advances (6) and the modified gear that reverses gear (8) respectively.
2. the gearshift transmission device of loosenning tiller according to claim 1, it is characterized in that: declutch shift shaft (10) is provided with positioning device, and positioning device is made up of 3 locating slots (13) that are arranged on declutch shift shaft (10) right-hand member and a place kick (12) that is connected with spring.
3. the gearshift transmission device of loosenning tiller according to claim 1 and 2, it is characterized in that: the front end of two-way connecting rod (17) is provided with socket (15), described declutch shift shaft (10) is provided with protruding axle (16), and protruding axle (16) is arranged in the socket (15), forms hinging structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200845949U CN201269289Y (en) | 2008-03-18 | 2008-03-18 | Shift transmission mechanism of loosener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200845949U CN201269289Y (en) | 2008-03-18 | 2008-03-18 | Shift transmission mechanism of loosener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201269289Y true CN201269289Y (en) | 2009-07-08 |
Family
ID=40841888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200845949U Expired - Fee Related CN201269289Y (en) | 2008-03-18 | 2008-03-18 | Shift transmission mechanism of loosener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201269289Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912818A (en) * | 2012-10-31 | 2013-02-06 | 三一重通机械有限公司 | Vehicle single handle-controlled control mechanism and soil shifter |
| CN103122993A (en) * | 2012-11-09 | 2013-05-29 | 重庆隆旺机电有限责任公司 | Speed changer gear shift drive assembly |
-
2008
- 2008-03-18 CN CNU2008200845949U patent/CN201269289Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912818A (en) * | 2012-10-31 | 2013-02-06 | 三一重通机械有限公司 | Vehicle single handle-controlled control mechanism and soil shifter |
| CN103122993A (en) * | 2012-11-09 | 2013-05-29 | 重庆隆旺机电有限责任公司 | Speed changer gear shift drive assembly |
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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: 20090708 Termination date: 20100318 |