CN202503885U - Armrest rack steering mechanism of power tiller - Google Patents
Armrest rack steering mechanism of power tiller Download PDFInfo
- Publication number
- CN202503885U CN202503885U CN2012201625726U CN201220162572U CN202503885U CN 202503885 U CN202503885 U CN 202503885U CN 2012201625726 U CN2012201625726 U CN 2012201625726U CN 201220162572 U CN201220162572 U CN 201220162572U CN 202503885 U CN202503885 U CN 202503885U
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- CN
- China
- Prior art keywords
- arm
- rest frame
- steering mechanism
- terminal pad
- alignment pin
- 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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Abstract
The utility model discloses an armrest rack steering mechanism of a power tiller. The armrest rack steering mechanism of a power tiller comprises an armrest rack strut arranged on a gearbox, wherein the other end of the armrest rack strut is connected with a steering handle through an armrest rack. The armrest rack steering mechanism is characterized in that a mounting base is fixed on the gearbox and provided with a rotary mandrel; a terminal pad is arranged at the lower end of the armrest rack strut; the rotary mandrel passes through the terminal pad and is then inserted in an inner cavity of the armrest rack strut; the terminal pad is provided with a positioning base; a pressure spring and a positioning pin are arranged in the cavity of the positioning base; the pressure spring is sleeved on the positioning pin and contacted with the upper wall of the positioning base; the upper end of the positioning pin is connected with the steering handle through a steering stay rope; the positioning pin is matched with a positioning hole in the mounting base; and the terminal pad and the mounting base are locked when the positioning pin is inserted in the positioning hole of the mounting base. The steering mechanism is simple and convenient to control, has high flexibility, and is labour-saving and accurate in positioning.
Description
Technical field
The utility model relates to the arm-rest frame steering mechanism of mini-size tillage machine, belongs to mechanical equipment technical field.
Background technology
Along with the use of mini-size tillage machine in agricultural tillage is more and more frequent, people also have higher requirement to the degree easy to use of mini-size tillage machine.Existing mini-size tillage machine is when control turns to; Normally realize through rotating the arm-rest frame that links to each other with gear box; Like publication number is that the Chinese patent of CN202026582 discloses a kind of " mini-size tillage machine armrest ", it is characterized in that comprising the handrail tube that bends to the U type, and the bend of handrail tube is fixed with link; Between two connecting plates of link, be provided with axle sleeve; Be fixed with pin bushing between the bend of this axle sleeve and handrail tube, be provided with reinforced pipe between the both ends of handrail tube, the reinforced pipe middle part is fixed with the mount pad that is used to install the drag-line handle.The arm-rest frame of this structure is that the handrail tube on top rotates when turning to; And the link of bottom is motionless, owing to also be connected with link between handrail tube and the gear box, so the rotating shaft position of handrail tube is far away from gear box; Therefore cause turn to handgrip will rotate very big angle after; Could make that the wheel and the cultivated swivel of bottom are moving, this mode of operation is required great effort very much in use, controls also underaction.
The utility model content
To above-mentioned deficiency of the prior art, the purpose of the utility model is to solve the problem of arm-rest frame underaction when turning to control of existing mini-size tillage machine, and a kind of labour-saving easy and simple to handle mini-size tillage machine arm-rest frame steering mechanism is provided.
The technical scheme of the utility model: mini-size tillage machine arm-rest frame steering mechanism, comprise the arm-rest frame pole that is installed on the gearbox, the other end of arm-rest frame pole is connected with steering handle through arm-rest frame; It is characterized in that on gearbox, be fixed with mount pad, mount pad is provided with the rotation mandrel, is provided with terminal pad in the lower end of arm-rest frame pole, the rotation mandrel passes the inner chamber that inserts arm-rest frame pole behind the terminal pad; Terminal pad is provided with positioning seat, in the cavity of positioning seat, is provided with stage clip and alignment pin, and said compression spring sleeve contacts on alignment pin and with the positioning seat upper wall, and the upper end of alignment pin is connected with turning to handgrip through turning to drag-line; Said alignment pin matches with locating hole on the mount pad, and when alignment pin inserted the locating hole of mount pad, terminal pad and mount pad were locked.
Further technical scheme, said arm-rest frame pole is rotatably connected with the rotation mandrel, on arm-rest frame pole, is provided with the caging bolt that is used to limit rotation mandrel relative altitude.
Further again, the cross section of said arm-rest frame pole is a rectangle.
With respect to prior art, the utlity model has following beneficial effect:
1, control is easy: the arm-rest frame steering mechanism of the utility model is located at positioning seat on the casing of gearbox, and through turning to drag-line directly to control turning to and locating of arm-rest frame, thereby solved the steering angle problem of smaller, and have better flexibility.
2, rapid operation: owing to be that whole arm-rest frame moves together with arm-rest frame pole simultaneously, therefore the arm of force of rotation lengthening is operated more laborsaving.
3, the location is more accurate, owing to adopted the mode of being controlled the arm-rest frame steering angle by alignment pin, locking arm-rest frame that therefore can shortcut and simple makes steering angle more accurate.
Description of drawings
Fig. 1 is the stereogram of the utility model mini-size tillage machine arm-rest frame steering mechanism;
Fig. 2 is the structural representation of the utility model.
Among the figure, 1-gearbox, 2-arm-rest frame pole, 3-arm-rest frame, 4-steering handle; 5-rotation mandrel, 6-positioning seat, 7-stage clip, 8-alignment pin, 9-turn to drag-line; 10-mount pad, 11-locating hole, 12-caging bolt, 13-arm-rest frame lid; 14-extension spring, 15-transmitting gear, 16-highly regulate handle, 17-terminal pad.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
As depicted in figs. 1 and 2, the mini-size tillage machine arm-rest frame steering mechanism of the utility model comprises the arm-rest frame pole 2 that is installed on the gearbox 1, and the other end of arm-rest frame pole 2 is connected with steering handle 4 through arm-rest frame 3.Said arm-rest frame is a U type structure, and the lower end of arm-rest frame is connected with arm-rest frame pole, and two terminations of arm-rest frame upper end are separately installed with a steering handle 4, and steering handle 4 is the handle that has lever commonly used.On gearbox 1, be fixed with mount pad 10, mount pad 10 is provided with rotation mandrel 5, is provided with terminal pad 17 in the lower end of arm-rest frame pole 2, and rotation mandrel 5 passes terminal pad 17 backs and inserts the inner chamber of arm-rest frame pole 2.During installation, arm-rest frame pole 2 is enclosed within on the rotation mandrel 5, and positioning seat 6 is enclosed within again on the arm-rest frame pole 2.Terminal pad 17 is provided with positioning seat 6; In positioning seat 6, be provided with cavity; In the cavity of positioning seat 6, be provided with stage clip 7 and alignment pin 8, said stage clip 7 is enclosed within on the alignment pin 8 and with positioning seat 6 upper walls and contacts, and has aperture on the top of positioning seat 6; Turn to drag-line 9 to insert from this aperture, the upper end of alignment pin 8 is connected with turning to handgrip 4 through turning to drag-line 9.Said alignment pin 8 matches with locating hole on the mount pad 10, and when alignment pin 8 inserted the locating hole of mount pads 10, terminal pad 17 was locked with mount pad 10.Locating hole on the mount pad 10 can set gradually according to certain angle as required, also can on four angles of mount pad 10, respectively establish a locating hole, and purpose is locked when being to make positioning seat and terminal pad to turn to suitable angle.
During work; Operating personnel hold steering handle 4 (only on a steering handle 4, connect usually and turn to drag-line 9), when needs turn to, press down the handle of steering handle 4; Make that turning to drag-line 9 to be driven upwards mentions; At this moment turn to drag-line 9 will drive alignment pin 8, make alignment pin 8 be raised and leave installing hole, thereby just reached the purpose that positioning seat and terminal pad are separated with mount pad.At this moment operating personnel rotate steering handle 4 again, make arm-rest frame rotate around rotation mandrel 5 together with arm-rest frame pole, realize the steering operation of mini-size tillage machine.Because mount pad 10 is fixed, when turning to, arm-rest frame pole 2 is rotated around rotation mandrel 5 together with terminal pad 17.After rotateing in place, unclamp steering handle 4, alignment pin 8 is pushed downwards under the reseting elasticity effect of stage clip 7, and alignment pin 8 inserts again in the locating hole like this, and it is fixing to make that terminal pad is connected with positioning seat, and arm-rest frame pole just can not be rotated again.
Referring to Fig. 1 and Fig. 2; A height adjustment mechanism also is installed on arm-rest frame; This height adjustment mechanism is by arm-rest frame lid 13, extension spring 14, transmitting gear 15 and highly regulates handle 16 and constitute that arm-rest frame lid 13 is fixed on the arm-rest frame pole 2, on arm-rest frame lid 13, is provided with a semicircular axis hole; The lower end of arm-rest frame 3 is stuck in this axis hole and can rotates freely; Transmitting gear 15 is fixed on arm-rest frame 3 lower ends and is located in the axis hole, transmitting gear 15 through extension spring 14 with highly regulate handle 16 and be connected, highly regulate rotating being connected on the arm-rest frame pole 2 in rear end of handle 16.When needs were heightened the height of steering handle 2, hoisting depth was regulated handle 16, and extension spring drives transmitting gear and is rotated counterclockwise, and arm-rest frame is elevated; Same, highly regulate handle 16 to pressing down, extension spring will drive transmitting gear and turn clockwise, and make that arm-rest frame is dragged down, and so just reach the purpose of regulating the steering handle height.
Need to prove at last; Above embodiment is only in order to technical scheme but not the restriction technologies scheme of explanation the utility model; Although the applicant specifies the utility model with reference to preferred embodiment, those of ordinary skill in the art should be appreciated that those modifications that technical scheme of the utility model is carried out perhaps are equal to replacement; And do not break away from the aim and the scope of present technique scheme, all should be encompassed in the middle of the claim scope of the utility model.
Claims (3)
1. mini-size tillage machine arm-rest frame steering mechanism comprises the arm-rest frame pole (2) that is installed on the gearbox (1), and the other end of arm-rest frame pole (2) is connected with steering handle (4) through arm-rest frame (3); It is characterized in that; On gearbox (1), be fixed with mount pad (10); Mount pad (10) is provided with rotation mandrel (5), is provided with terminal pad (17) in the lower end of arm-rest frame pole (2), and rotation mandrel (5) passes terminal pad (17) back and inserts the inner chamber of arm-rest frame pole (2); Terminal pad (17) is provided with positioning seat (6); In the cavity of positioning seat (6), be provided with stage clip (7) and alignment pin (8); Said stage clip (7) is enclosed within alignment pin (8) and goes up and contact with positioning seat (6) upper wall, and the upper end of alignment pin (8) is connected with turning to handgrip (4) through turning to drag-line (9); Said alignment pin (8) matches with locating hole on the mount pad (10), and when alignment pin (8) inserted the locating hole of mount pad (10), terminal pad (17) and mount pad (10) were locked.
2. mini-size tillage machine arm-rest frame according to claim 1 steering mechanism; It is characterized in that; Said arm-rest frame pole (2) is rotatably connected with rotation mandrel (5), on arm-rest frame pole (2), is provided with the caging bolt (12) that is used for restriction rotation mandrel (5) relative altitude.
3. mini-size tillage machine arm-rest frame according to claim 1 steering mechanism is characterized in that the cross section of said arm-rest frame pole (2) is a rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201625726U CN202503885U (en) | 2012-04-17 | 2012-04-17 | Armrest rack steering mechanism of power tiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201625726U CN202503885U (en) | 2012-04-17 | 2012-04-17 | Armrest rack steering mechanism of power tiller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202503885U true CN202503885U (en) | 2012-10-31 |
Family
ID=47056399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201625726U Expired - Lifetime CN202503885U (en) | 2012-04-17 | 2012-04-17 | Armrest rack steering mechanism of power tiller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202503885U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963249A (en) * | 2012-11-27 | 2013-03-13 | 江苏久泰农业装备科技有限公司 | Steering clutch mechanism for field management machine |
| CN103348795A (en) * | 2013-07-31 | 2013-10-16 | 重庆嘉木机械有限公司 | Bending handrail assembly of minitiller |
-
2012
- 2012-04-17 CN CN2012201625726U patent/CN202503885U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963249A (en) * | 2012-11-27 | 2013-03-13 | 江苏久泰农业装备科技有限公司 | Steering clutch mechanism for field management machine |
| CN102963249B (en) * | 2012-11-27 | 2015-05-06 | 江苏久泰农业装备科技有限公司 | Steering clutch mechanism for field management machine |
| CN103348795A (en) * | 2013-07-31 | 2013-10-16 | 重庆嘉木机械有限公司 | Bending handrail assembly of minitiller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 402283 Chongqing city Jiangjin Luohuang Industrial Park B District Patentee after: WEIMA AGRICULTURAL MACHINERY CO., LTD. Address before: 402283 Jiangjin District of Chongqing City Luo Juan Industrial Park Chongqing vemer machinery company Patentee before: Chongqing Weima Agricultural Machinery Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 402283 Chongqing city Jiangjin Luohuang Industrial Park B District Patentee after: Weima agricultural Limited by Share Ltd Address before: 402283 Chongqing city Jiangjin Luohuang Industrial Park B District Patentee before: WEIMA AGRICULTURAL MACHINERY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121031 |
|
| CX01 | Expiry of patent term |