CN102440098A - Height adjusting mechanism for armrest frame of micro-tillage machine - Google Patents
Height adjusting mechanism for armrest frame of micro-tillage machine Download PDFInfo
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- CN102440098A CN102440098A CN2011102971482A CN201110297148A CN102440098A CN 102440098 A CN102440098 A CN 102440098A CN 2011102971482 A CN2011102971482 A CN 2011102971482A CN 201110297148 A CN201110297148 A CN 201110297148A CN 102440098 A CN102440098 A CN 102440098A
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- arm
- rest frame
- mini
- tillage machine
- size tillage
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Abstract
The invention discloses a height adjusting mechanism for an armrest frame of a micro-tillage machine. The armrest frame can be mounted on an armrest base rotationally; a toothed disc is fixed on the armrest frame, and a plurality of toothed grooves are formed on the edge of the toothed disc; an adjusting mechanism capable of rotating around a rotating pin is mounted on the armrest base through the rotating pin; a horizontal locking lever, a reset spring, and an operating end for overcoming the acting force of the reset spring to enable the adjusting mechanism to rotate downwards are arranged on the adjusting mechanism; and the locking lever is clamped in one of toothed grooves on the toothed disc. According to the invention, when the armrest frame is required to be adjusted, all that is needed is to overcome the acting force of the reset spring to enable the adjusting mechanism to rotate downwards, and the adjustment is convenient, quick and safe.
Description
Technical field
The present invention relates to mini-size tillage machine, specifically refer to mechanism that the arm-rest frame height of mini-size tillage machine is regulated belong to the mini-size tillage machine technical field.
Background technology
All be provided with arm-rest frame on all mini-size tillage machines, mini-size tillage machine needs operating personnel to buttress arm-rest frame in work, so that its direction is controlled.Arm-rest frame mainly is made up of left and right sides handle, and left and right sides handle front end is installed on the armrest seat of fuselage, and tail end is the holding end for supplying the people to grip then.Because different people has different height,,, make the operator be in the state that grips of the most comfortable through regulating the height of arm-rest frame so the height of arm-rest frame must be regulated.Mini-size tillage machine arm-rest frame height adjustment mechanism is mainly regulated through the gears engaged mode at present; The rotating shaft that handle 16 front ends in the left and right sides constitute through screw rod 17 is installed in rotation on armrest seat 2 left and right sides and locks through nut 19; The handle front end and armrest seat two outsides combine end face to be provided with pitch wheel 18 in the left and right sides, see Fig. 1 and Fig. 2.At ordinary times, gear on the armrest seat and the gears engaged on the handle together, and through screw rod, nut check.When need regulating the arm-rest frame height, need earlier nut is unscrewed, make being out of gear on gear and the handle on the armrest seat; Rotate arm-rest frame again; Make it to raise or be reduced to the height that needs, again with nut screwing clamping, the arm-rest frame of adjusting to the right place again with the armrest seat engages fixed together.Not enough below existing arm-rest frame height adjustment mechanism exists: 1, because the screw rod horizontally set; Nut is positioned at side; In order to regulate the arm-rest frame height, the people must leave the position that grips arm-rest frame and go to the side of machine and remove the degree of tightness nut, if machine is in running status; Just will lose control, have certain potential safety hazard machine; 2, in the adjustment process, the people needs the shift position to arrive side, simultaneously nut is unscrewed and is tightened, and in the degree of tightness process, needs the certain pitch of thread of turn to leave, and operation seems loaded down with trivial details, time-consuming; 3, for easy to adjust, do not use special instrument to get final product the degree of tightness nut, existing structure is provided with turning handle 20 on nut 19; According to arm of force principle; Turning handle is long more laborsaving more, for rapid operation, so turning handle is longer; But also make the lofty large-size that stretches out of turning handle so simultaneously, Total tune property is affected.
Summary of the invention
To the above-mentioned deficiency that prior art exists, the object of the invention just is to provide a kind of easy to adjust, quick, safe mini-size tillage machine arm-rest frame governor motion.
To achieve these goals; The technical scheme that the present invention adopts is such: mini-size tillage machine arm-rest frame height adjustment mechanism, comprise arm-rest frame and armrest seat, and arm-rest frame is installed in rotation on the armrest seat; It is characterized in that: be fixed with fluted disc on the said arm-rest frame, the fluted disc edge is provided with some teeth groove; On armrest seat, be provided with the governor motion that the pin that can rotate rotates through shipping and reselling on another market; Have a horizontal locking bar on the governor motion, make make progress all the time stressed reduction torsion spring and overcome the operating side that the reduction torsion spring active force rotates governor motion of governor motion, locking bar is stuck in a certain teeth groove on the fluted disc.
Fluted disc on the said arm-rest frame is two of symmetry, and locking bar is stuck in the teeth groove on two fluted discs simultaneously.This structure makes arm-rest frame stressed evenly, and balance is good.
The end face that is connected with arm-rest frame on the said armrest seat is provided with semicircular mounting groove, and the arm-rest frame front end has a rotating shaft, and rotating shaft is positioned at mounting groove and through anchor ear rotating shaft is held tightly.The elasticity that arm-rest frame rotates is held rotating shaft tightly the degree decision by anchor ear, is adjustable therefore.
Said armrest seat is provided with the handrail fixed head, and anchor ear is a U bolt, and U bolt is locked by (inserts) locking nut after passing the handrail fixed head.
Said handrail fixed head is provided with limited block, and limited block is provided with the stopper slot that opening makes progress, and stopper slot is positioned on the locking bar falling direction.The bottom of stopper slot has determined the extreme position that locking bar falls, and the excessive locking bar down of having avoided exerting oneself rotates excessive, thereby exceeds the elastic range of reduction torsion spring.
The rotating shaft of said arm-rest frame front end is a pipe, and the left and right sides handle of arm-rest frame also is a pipe, and the pipe that constitutes rotating shaft is one-body molded with the pipe that forms left and right sides handle.The arm-rest frame of this structure is simple for structure, is convenient to processing.
Said governor motion is " U " shape structure, the top two ends of U-shaped structure with ship and resell on another market fixingly, place, the below of U-shaped structure section forms a said operating side.Also can below the U-shaped structure, belong to section and vertically establish motion arm along mini-size tillage machine, motion arm forms said operating side.
Compared with prior art, the present invention has following beneficial effect:
1, easy to adjust, only need overcome the operating side pressed downward of reduction torsion spring active force with governor motion, locking bar is promptly thrown off the teeth groove on the fluted disc; This moment, promptly rotatable arm-rest frame was adjusted to suitable height with the arm-rest frame holding end, after height adjustment puts in place; The unclamp operation end under the restoring force effect of torsion spring, in certain teeth groove after locking bar is stuck in again at once and rotates with arm-rest frame pins the arm-rest frame position; The arm-rest frame height is promptly fixing, easy to adjust and quick.
2, the people position of when regulating the arm-rest frame height, being stood just in time also is the position that grips arm-rest frame at ordinary times, so adjustment process can not lose the control to machine, has stopped potential safety hazard; The process of regulating simultaneously, the people is held on the arm-rest frame all the time, highly to not putting in place, can feel the very first time, so can put in place by step joint.
3, governor motion is located under the arm-rest frame, and volume is little, has avoided the long influence that Total tune property is brought of the prior art arm of force, and commodity is better.
Description of drawings
Fig. 1-prior art vertical view.
Fig. 2-Fig. 1 upward view.
Fig. 3-end view of the present invention.
Fig. 4-Fig. 3 right view.
Fig. 5-Fig. 3 upward view.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.
Referring to Fig. 3, Fig. 4 and Fig. 5, can find out that on scheming mini-size tillage machine arm-rest frame height adjustment mechanism of the present invention comprises arm-rest frame 1 and armrest seat 2, arm-rest frame 1 is installed in rotation on the armrest seat 2 through the rotating shaft on the arm-rest frame 3.Be fixed with fluted disc 4 on the arm-rest frame 1, fluted disc 4 edges are provided with some teeth groove 5.On armrest seat 2,6 be provided with the governor motion 7 that the pin that can rotate rotates through shipping and reselling on another market; Have a horizontal locking bar 8 on the governor motion 7, make make progress all the time stressed reduction torsion spring 9 and overcome the operating side 10 that the reduction torsion spring active force rotates governor motion of governor motion, locking bar 8 is stuck in a certain teeth groove 5 on the fluted disc.
During adjusting, overcome operating side 10 pressed downward of reduction torsion spring 9 active forces with governor motion earlier, locking bar 8 is promptly thrown off the teeth groove 5 on the fluted disc; Promptly turn arm-rest frame 1 this moment; After arm-rest frame 1 height adjustment put in place, the unclamp operation end 10 again, under the restoring force effect of torsion spring; Locking bar 8 is stuck in another teeth groove 5 again arm-rest frame 1 position is pinned at once, and the arm-rest frame height is promptly fixing.Therefore the number of teeth groove has just determined arm-rest frame to have several height to regulate, and teeth groove is equivalent to regulate gear.
In order to make arm-rest frame 1 stressed even, balance is good, and the present invention is made as symmetrical two with the fluted disc on the arm-rest frame 4, and locking bar 8 is stuck in the teeth groove 5 on two fluted discs simultaneously, can prevent monolateral like this.
The end face that is connected with arm-rest frame on the said armrest seat is provided with semicircular mounting groove, and the rotating shaft 3 of arm-rest frame front end is positioned at mounting groove and through anchor ear 13 rotating shaft 3 is held tightly.The elasticity that arm-rest frame rotates is held rotating shaft tightly the degree decision by anchor ear, is adjustable therefore.As long as tightness makes arm-rest frame rotate but can not swing in the axle center around the shaft all around.
Said armrest seat 2 is provided with handrail fixed head 14, and anchor ear 13 is a U bolt, and U bolt is got final product by 15 lockings of inserts locking nut after passing the handrail fixed head.
In addition, it is excessive to rotate angle for fear of governor motion, thereby exceeds the elastic range of reduction torsion spring; Simultaneously also avoid unnecessary work, the present invention is provided with limited block 11 on handrail fixed head 14, and limited block 11 is provided with the stopper slot 12 that opening makes progress; Stopper slot 12 is positioned on locking bar 8 falling directions; Locking bar will drop in the stopper slot when falling, and the bottom of stopper slot has determined the extreme position that locking bar falls, and deviates from from teeth groove as long as this extreme position can guarantee locking bar.U bolt passes that to pass limited block behind the handrail fixed head more as a whole with handrail fixed head, limited block locking by inserts locking nut 15, sees Fig. 4.
The rotating shaft 3 of arm-rest frame front end of the present invention is a pipe, and the left and right sides handle of arm-rest frame also is a pipe, and the pipe that constitutes rotating shaft is one-body molded with the pipe that forms left and right sides handle.The arm-rest frame of this structure is simple for structure, is convenient to processing.
Said governor motion 7 is " U " shape structure or similar structures, the top two ends of U-shaped structure with ship and resell on another market fixingly, place, the below of U-shaped structure section forms a said operating side.Also can below the U-shaped structure, belong to section and vertically establish motion arm along mini-size tillage machine, motion arm forms said operating side 10, and is as shown in Figure 3.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
1. mini-size tillage machine arm-rest frame height adjustment mechanism; Comprise arm-rest frame (1) and armrest seat (2); Arm-rest frame (1) is installed in rotation on the armrest seat (2), it is characterized in that: be fixed with fluted disc (4) on the said arm-rest frame (1), fluted disc (4) edge is provided with some teeth groove (5); Go up the governor motion (7) that is provided with the pin rotation that to rotate through ship and resell on another market (6) at armrest seat (2); Have a horizontal locking bar (8) on the governor motion (7), make make progress all the time stressed reduction torsion spring (9) and overcome the operating side (10) that the reduction torsion spring active force rotates governor motion of governor motion, locking bar (8) is stuck in a certain teeth groove (5) on the fluted disc.
2. mini-size tillage machine arm-rest frame height adjustment mechanism according to claim 1 is characterized in that: the fluted disc on the said arm-rest frame (4) is two of symmetry, and locking bar (8) is stuck in the teeth groove (5) on two fluted discs simultaneously.
3. mini-size tillage machine arm-rest frame height adjustment mechanism according to claim 1 and 2; It is characterized in that: the end face that is connected with arm-rest frame on the said armrest seat is provided with semicircular mounting groove; Arm-rest frame (1) front end has a rotating shaft (3), and rotating shaft (3) is positioned at mounting groove and through anchor ear (13) rotating shaft is held tightly.
4. mini-size tillage machine arm-rest frame height adjustment mechanism according to claim 3; It is characterized in that: said armrest seat (2) is provided with handrail fixed head (14); Anchor ear (13) is a U bolt, and U bolt is locked by locking nut (15) after passing the handrail fixed head.
5. mini-size tillage machine arm-rest frame height adjustment mechanism according to claim 4; It is characterized in that: said handrail fixed head (14) is provided with limited block (11); Limited block (11) is provided with the stopper slot (12) that opening makes progress, and stopper slot (12) is positioned on locking bar (8) falling direction.
6. mini-size tillage machine arm-rest frame height adjustment mechanism according to claim 3 is characterized in that: the rotating shaft of said arm-rest frame front end is a pipe, and the left and right sides handle of arm-rest frame also is a pipe, and the pipe that constitutes rotating shaft is one-body molded with the pipe that forms left and right sides handle.
7. mini-size tillage machine arm-rest frame height adjustment mechanism according to claim 1; It is characterized in that: said governor motion (7) is " U " shape structure; The top two ends of U-shaped structure are fixing with ship and resell on another market (6), and place, the below section of U-shaped structure forms said operating side (10).
8. mini-size tillage machine arm-rest frame height adjustment mechanism according to claim 1; It is characterized in that: said governor motion (7) is " U " shape structure; The top two ends of U-shaped structure are fixing with ship and resell on another market (6); Place, the below section of U-shaped structure vertically is provided with motion arm along mini-size tillage machine, and motion arm forms said operating side (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110297148 CN102440098B (en) | 2011-09-30 | 2011-09-30 | Height adjusting mechanism for armrest frame of micro-tillage machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110297148 CN102440098B (en) | 2011-09-30 | 2011-09-30 | Height adjusting mechanism for armrest frame of micro-tillage machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102440098A true CN102440098A (en) | 2012-05-09 |
| CN102440098B CN102440098B (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110297148 Expired - Fee Related CN102440098B (en) | 2011-09-30 | 2011-09-30 | Height adjusting mechanism for armrest frame of micro-tillage machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN102440098B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106538098A (en) * | 2015-09-21 | 2017-03-29 | 尹全权 | Original place freely turns to tiller |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2262333Y (en) * | 1996-11-26 | 1997-09-17 | 刘忠意 | Operating mechanism for multifunctional agricultural mini-tiller |
| KR200402206Y1 (en) * | 2005-09-13 | 2005-11-29 | 박창현 | Adjusting device of handle width for agricultural vehicle |
| CN201167462Y (en) * | 2008-03-19 | 2008-12-24 | 章敏威 | Small tiller |
| CN201612002U (en) * | 2010-02-03 | 2010-10-27 | 颜志江 | Handrail adjusting device of plowing scarifier |
| CN201781751U (en) * | 2010-07-27 | 2011-04-06 | 万青松 | Handle adjusting structure of micro-farming machine |
| CN201995305U (en) * | 2011-03-11 | 2011-10-05 | 重庆华世丹机械制造有限公司 | Mini-tiller and handrail rack lifting adjusting device thereof |
| CN202285509U (en) * | 2011-09-30 | 2012-07-04 | 陈恳 | Height adjustment mechanism for armrest frame of mini-tiller |
-
2011
- 2011-09-30 CN CN 201110297148 patent/CN102440098B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2262333Y (en) * | 1996-11-26 | 1997-09-17 | 刘忠意 | Operating mechanism for multifunctional agricultural mini-tiller |
| KR200402206Y1 (en) * | 2005-09-13 | 2005-11-29 | 박창현 | Adjusting device of handle width for agricultural vehicle |
| CN201167462Y (en) * | 2008-03-19 | 2008-12-24 | 章敏威 | Small tiller |
| CN201612002U (en) * | 2010-02-03 | 2010-10-27 | 颜志江 | Handrail adjusting device of plowing scarifier |
| CN201781751U (en) * | 2010-07-27 | 2011-04-06 | 万青松 | Handle adjusting structure of micro-farming machine |
| CN201995305U (en) * | 2011-03-11 | 2011-10-05 | 重庆华世丹机械制造有限公司 | Mini-tiller and handrail rack lifting adjusting device thereof |
| CN202285509U (en) * | 2011-09-30 | 2012-07-04 | 陈恳 | Height adjustment mechanism for armrest frame of mini-tiller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106538098A (en) * | 2015-09-21 | 2017-03-29 | 尹全权 | Original place freely turns to tiller |
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| Publication number | Publication date |
|---|---|
| CN102440098B (en) | 2013-04-24 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20120509 Assignee: CHONGQING HESHENG INDUSTRY CO., LTD. Assignor: Chen Ken Contract record no.: 2016500000021 Denomination of invention: Height adjusting mechanism for armrest frame of micro-tillage machine Granted publication date: 20130424 License type: Exclusive License Record date: 20160927 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| 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: 20130424 Termination date: 20180930 |