CN201069928Y - Scissors type lopping shears - Google Patents
Scissors type lopping shears Download PDFInfo
- Publication number
- CN201069928Y CN201069928Y CNU2007201114575U CN200720111457U CN201069928Y CN 201069928 Y CN201069928 Y CN 201069928Y CN U2007201114575 U CNU2007201114575 U CN U2007201114575U CN 200720111457 U CN200720111457 U CN 200720111457U CN 201069928 Y CN201069928 Y CN 201069928Y
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- Prior art keywords
- chain
- handle
- button
- connecting rod
- oil pump
- 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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- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 238000013138 pruning Methods 0.000 claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims description 37
- 238000005461 lubrication Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 239000002828 fuel tank Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 239000002023 wood Substances 0.000 description 4
- 230000000981 bystander Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Scissors And Nippers (AREA)
Abstract
The utility model relates to scissors type pruning scissors, which comprises two protecting covers; wherein, a protecting cover is fixed on a machine casing, and the other protecting cover is hinged on the machine casing. Two handles, wherein, one is a D-shaped handle hinged on the machine casing body, the other is an upright handle. The plane of the D-shaped handle is formed an 90 degrees angle with the axial line of the upright handle, one end of the upright handle is hinged with the protecting cover, the middle part is hinged through a connecting rod, the other end of the connecting rod is hinged on the machine casing, and the tail part is hinged with the machine casing through soft rubber and a hinge to form a four-bar mechanism. The protecting cover is driven by the upright handle through the four-bar mechanism to rotate between the first position that the cut matter is uneasy to approach the cutting chain and the second position which the cut matter can approach the cutting chain; a chain type cutting mechanism, and a chain wheel driven by a driving mechanism drives the chain to perform circular cutting motion; and a machine casing, the drive mechanism is arranged inside the machine casing, and the chain type cutting mechanism is supported by the machine casing. The utility model has the advantages that firstly, the holding is convenient, which is convenient for working and carrying, secondly, the convenience degree and the security of cutting are enhanced.
Description
Technical field
The utility model relates to a kind of pruning tool, particularly a kind of scissors type pruning shear.
Background technology
Chain saw is the pruning used always or the instrument of cutting plants, and it is generally worked by the circulating chain saw cutter of drive mechanism, existing very long history, and in the evolution of product, done many improvement.As disclosed a kind of chain saw among the american documentation literature US3991470, it has two protective plates, can be installed on the body pivotally, and with carrier bar and chain isoplanar, at the head of two protective plates the guider of toroidal is arranged, be used for importing and be cut object.Owing to use two protective plates, therefore can prevent that operator or bystander from contacting chain saw, has good safety.But also there is weak point in this chain saw, and the opening and closing of two protective plates that it adopts can not be controlled by the user, use inconvenience.
Disclosed a kind of chain saw among the american documentation literature US 4294012 and for example, has a protective plate, this protective plate can rotate with respect to the carrier bar of chain saw and chain and be positioned at the plane that is parallel to the chain saw blade plane, following so that protective plate can be inserted into by the wood of sawing to reduce wood sawdust jam chain, perhaps catch by the twig of sawing and with it and import chain saw.This chain saw has the first in command on the saw body of being arranged on, and the second in command who is connected in protective plate, thereby can rotate protective plate by handle being rotated relative to each other come with respect to chain.The defective of this chain saw is that the first in command and the second in command's position is unreasonable, inconvenient operation.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the above-mentioned defective of prior art and a kind of scissors type pruning shear is provided, make its can handled easily safety again.
The utility model solves the problems of the technologies described above the technical scheme that is adopted:
Scissors type pruning shear comprises:
Two protective covers, a protective cover is fixed on the casing, and another protective cover axle is connected on the casing;
Two handles, one of them is that axle is connected in the D type handle on the housing, another is a straight hand lever, the plane at D type handle place becomes 90 degree with the axis of straight hand lever, straight hand lever one end and protective cover axle connect, the centre is connected by pitman shaft, connecting rod other end axle is connected on the casing, afterbody connects by flexible glue and hinge and casing axle and forms quadric chain, and the primary importance and the material to be cut of accessible cutting chain can not rotate between the second place near cutting chain straight hand lever at material to be cut by quadric chain drive protective cover;
One chain-type cutting mechanism: drive chain by the drive mechanism sprocket wheel and do the circulation cutting movement;
One casing, the built-in driving mechanism of casing, and support chains formula cutting mechanism.
Releasably locking mechanism also is set on the above-mentioned straight hand lever, and when protective cover was positioned at primary importance, this straight hand lever was locked releasedly.
Its axis of the motor of above-mentioned driving mechanism and two handles are in same plane, and by bevel-gear sett mechanism drive sprocket.
Compared with prior art, advantage of the present utility model is:
1, by the D type handle that can adjust angle is set, this second in command is arranged on and the relative another side of D type handle, its axis becomes 90 degree vertical angles with the plane at D type handle place, can conveniently grip scissors type pruning shear, be convenient to work, and the convenient angle of adjusting D type handle of visual working environment, also be convenient to the user simultaneously and carry this instrument.
2, protective cover is connected with handle, the user can operate protective cover by handle and open and close, and has improved the comfort level and the safety of shearing.
Description of drawings
Fig. 1 is the front view of the utility model embodiment.
Fig. 2 is the vertical view of the utility model embodiment.
Fig. 3 is a handle and the protective cover unfolding state figure of the utility model embodiment.
Fig. 4 is the vegetation pruning schematic diagram of the utility model embodiment.
Fig. 5 is the vegetation pruning schematic diagram of another embodiment of the utility model.
Fig. 6 is the schematic diagram in locking mechanism when locking of the utility model embodiment.
Schematic diagram when Fig. 7 is the locking mechanism non-locking of the utility model embodiment.
Fig. 8 is the schematic diagram of the chain tensioning mechanism of the instrument of exempting from of the utility model embodiment.
Fig. 9 is the schematic diagram of the automatic lubrication mechanism of the utility model embodiment.
Figure 10 is the schematic diagram of the console switch of the utility model embodiment.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, scissors type pruning shear comprises:
One casing 1, the built-in chain saw driving mechanism of casing, and support chains formula cutting mechanism, carrier bar 5 support chains 4;
Two handles 6,7, one 7 on D type handle is connected in casing 1, another handle 6 one ends are connected by axle 19 with protective cover 3, the head position of handle is by axle 10 cylinder lever connecting rods 9, pull bar 9 other ends are connected on the housing 1 by axle 11, the rear portion of handle is provided with push switch 8 by flexible glue and hinge 12 and 1 company of casing on the handle 6.
Two protective covers 2,3, protective cover 2 is fixed on the casing 1, and blocks chain 4.
D type handle 7 is connected on the casing 1 by 14 on handwheel.Owing to adopt D type handle 7, therefore be convenient to grip the whole shrub and hedge trimmer of handled easily.Can also be by tightening and loosening the position that handwheel 14 changes D type handle 7, to adapt to different action needs.
Also be provided with console switch 8 on the D type handle 7, see Figure 10, console switch comprises by axle 83 and is connected elongated on the handle by bar 81 and touch switch 82, presses bar 81 over against touch switch 82, press by bar 81 and just connect touch switch 82, thus the control machine operation.
Equally, also be provided with identical operations switch 8 on the straight hand lever, connect with the console switch 8 on the D type handle, have only two switches to press the power supply that could connect shrub and hedge trimmer simultaneously during operation, shrub and hedge trimmer could be worked, and are therefore safer.Because this type of switch is more common, does not do detailed argumentation at this.
Fig. 3 has shown that the protective cover 3 of scissors type pruning shear is in the state when opening fully, this is the normally used operating position of this instrument, and the user can take turns the angle of 14 adjustment D type handles 7, the convenient gripping by handwheel, handle protective cover 3 by straight grip 6, protective cover 3 is opened or closed.
When not working, two protective covers 2,3 close up carrier bar 5 chains 4 are covered, and shield, and see Fig. 1.
During work, protective cover 3 by connecting rod 9 and hinge 10,11 and handle 6 interlocks, is driven and is opened by handle 6 under the manipulation of handle 6, and and chain between hold materials to be cut such as branch or jar wood and enter and cut.Protective cover 3 can also carry out clamping and spacing to material to be cut, makes cutting more convenient, and top chain 4 hides by protective cover 2, avoids operator and bystander to run into chain saw, improves the safety of operation, sees Fig. 4.
Above-mentioned protective cover 2 also can be connected in casing 1 and spacing by spring by axle, and its duty is referring to Fig. 5.Protective cover 2 is pushed open by the branch of sawing or jars wooden 20 etc. during work, and is subjected to the effect of spring force and clamps branch or jar wood, thus convenient cutting.
Also be provided with locking mechanism on the handle 6 of scissors type pruning shear, see Fig. 6, Fig. 7.
This locking mechanism comprises: connecting rod 22, press button, slide block 25, connecting rod 22 1 ends are fixed on the casing 1, other end band slotted eye 23, and a guiding groove 28 is arranged by post 24 guiding that are fixed on the handle, press button comprises button 26, is enclosed within the spring 27 on the button 26, slide block 25 places the inside groove 20 of handle and can move at groove, and the one end is connected with spring 29, and spring 29 is fixed on the handle.When two handles closed up, connecting rod 22 promoted slide blocks 25 and moves in groove and allow open position, moved to its slotted eye 23 under button to connecting rod 22, made button 26 can depress and pin connecting rod 22; After two handles were opened, the step on the slide block 25 can block button 26, and it can not be depressed.
Above-mentioned locking mechanism is used for when protective cover is in closure state and is off working state with handle 6 lockings, to reach safe handling and to be convenient to deposit the purpose of carrying.
Fig. 6 is when latched position, and the annular groove on the button 26 is stuck in the ellipse hole 23 of connecting rod 22, straight grip is locked in make protective cover 3 be in closed position.
Fig. 7 has shown the state of straight hand lever when maximum open position, and by pushing described straight hand lever, the annular groove on the button 26 breaks away from the ellipse hole 23 of connecting rod 22, is upspring by spring 27, and then straight hand lever is released from latched position.
Fig. 8 is the chain tensioning mechanism of the instrument of exempting from that is provided with in this scissors type pruning shear.Chain saw at work, chain since long-term stressed meeting be elongated, so need carry out tensioning to chain by chain tensioning mechanism.
Chain tensioning mechanism is: screw rod 19 1 end band bevel gears 17, be fixed on the housing 1, and its main body is passed nut 18, and nut 18 is fixed on the carrier bar 5, bevel gear 17 and another bevel gear 16 engagements, the end secured adjusted button 15 of another bevel gear 16.
Above-mentioned chain tensioning mechanism drives bevel gear 16 by the adjusting knob 15 that rotation is fixed on the casing 1, bevel gear 16 drives bevel gear 17 again, drive nut 18 when bevel gear 17 is rotated with screw rod 19 and move, drive carrier bar 5 by nut 18 again and move, thereby make chain 4 tensionings.
Referring to Fig. 9, the present invention also is provided with the chain automatic lubrication mechanism.
Above-mentioned chain automatic lubrication mechanism comprises fuel tank 28, oil pipe 31, oil nozzle 33, oil pump 32, and oil pump 32 is imported and exported and connected oil pipe 31, and oil pump 32 rotating shafts one end connects worm gear 29, and worm gear 29 cooperates with worm screw 30, and screw rod 30 is by driven by motor.
When lubricating chain 4, starter motor drives worm screw 30, worm gear 29 rotations by motor output shaft, produces pressure differential by oil pump 32 in oil pipe 31 again, thus the oil in the oil storage tank 28 is delivered to oil on the chain 4 by oil pipe 31, oil nozzle 33, thereby realized the self-lubricate chain.
Claims (9)
1. scissors type pruning shear is characterized in that:
Comprise:
Two protective covers, a protective cover is fixed on the casing, and another protective cover axle is connected on the casing;
Two handles, one of them is that axle is connected in the D type handle on the housing, another is a straight hand lever, the plane at D type handle place becomes 90 degree with the axis of straight hand lever, straight hand lever one end and protective cover axle connect, the centre is connected by pitman shaft, connecting rod other end axle is connected on the casing, afterbody connects by flexible glue and hinge and casing axle and forms quadric chain, and the primary importance and the material to be cut of accessible cutting chain can not rotate between the second place near cutting chain straight hand lever at material to be cut by quadric chain drive protective cover;
One chain-type cutting mechanism: drive chain by the drive mechanism sprocket wheel and do the circulation cutting movement;
One casing, the built-in driving mechanism of casing, and support chains formula cutting mechanism.
2. scissors type pruning shear according to claim 1 is characterized in that: its axis of the motor of described driving mechanism and two handles are in same plane, and by bevel-gear sett mechanism drive sprocket.
3. scissors type pruning shear according to claim 1 and 2, it is characterized in that: the chain tensioning mechanism that the instrument of exempting from is set on the described chain, described chain tensioning mechanism of exempting from instrument is: screw rod one end band bevel gear, be fixed on the housing, its main body is passed nut, nut is fixed on the carrier bar, bevel gear and the engagement of another bevel gear, the end secured adjusted button of another bevel gear.
4. scissors type pruning shear according to claim 1 and 2, it is characterized in that: establish locking mechanism on the described straight hand lever, described locking mechanism is: connecting rod, press button, slide block, connecting rod one end is fixed on the casing, other end band slotted eye, and a guiding groove is arranged by the post guiding that is fixed on the handle, press button comprises button, is enclosed within the spring on the button, slide block places the inside groove of handle and can move at groove, and the one end is connected with spring, and spring is fixed on the handle; When two handles closed up, connecting rod promoted slide block and moves to connecting rod move to its slotted eye under button in groove, and press push button is also pinned connecting rod, press lower handle after, button leaves slotted eye and release link.
5. according to the scissors type pruning shear in the claim 3, it is characterized in that: establish locking mechanism on the described straight hand lever, described locking mechanism is: connecting rod, press button, slide block, connecting rod one end is fixed on the casing, other end band slotted eye, and a guiding groove is arranged by the post guiding that is fixed on the handle, press button comprises button, is enclosed within the spring on the button, slide block places the inside groove of handle and can move at groove, and the one end is connected with spring, and spring is fixed on the handle; When two handles closed up, connecting rod promoted slide block and moves to connecting rod move to its slotted eye under button in groove, and press push button is also pinned connecting rod, press lower handle after, button leaves slotted eye and release link.
6. scissors type pruning shear according to claim 1 and 2, it is characterized in that: also be provided with the chain automatic lubrication mechanism, the chain automatic lubrication mechanism comprises fuel tank, oil pipe, oil nozzle, oil pump, oil pump is imported and exported and is connected oil pipe, oil pump rotating shaft one end connects worm gear, worm gear cooperates with worm screw, and screw rod is by driven by motor.
7. scissors type pruning shear according to claim 3, it is characterized in that: also be provided with the chain automatic lubrication mechanism, the chain automatic lubrication mechanism comprises fuel tank, oil pipe, oil nozzle, oil pump, oil pump is imported and exported and is connected oil pipe, oil pump rotating shaft one end connects worm gear, worm gear cooperates with worm screw, and screw rod is by driven by motor.
8. scissors type pruning shear according to claim 4, it is characterized in that: also be provided with the chain automatic lubrication mechanism, the chain automatic lubrication mechanism comprises fuel tank, oil pipe, oil nozzle, oil pump, oil pump is imported and exported and is connected oil pipe, oil pump rotating shaft one end connects worm gear, worm gear cooperates with worm screw, and screw rod is by driven by motor.
9. scissors type pruning shear according to claim 5, it is characterized in that: also be provided with the chain automatic lubrication mechanism, the chain automatic lubrication mechanism comprises fuel tank, oil pipe, oil nozzle, oil pump, oil pump is imported and exported and is connected oil pipe, oil pump rotating shaft one end connects worm gear, worm gear cooperates with worm screw, and screw rod is by driven by motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201114575U CN201069928Y (en) | 2007-06-30 | 2007-06-30 | Scissors type lopping shears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201114575U CN201069928Y (en) | 2007-06-30 | 2007-06-30 | Scissors type lopping shears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201069928Y true CN201069928Y (en) | 2008-06-11 |
Family
ID=39548484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201114575U Expired - Lifetime CN201069928Y (en) | 2007-06-30 | 2007-06-30 | Scissors type lopping shears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201069928Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009003367A1 (en) * | 2007-06-30 | 2009-01-08 | Yong Chen | Scissors-type pruning shears |
| CN102511321A (en) * | 2009-02-20 | 2012-06-27 | 苏州宝时得电动工具有限公司 | Chain saw |
| CN105325188A (en) * | 2015-11-23 | 2016-02-17 | 黄贤水 | Solar-powered branch shearing device for cuttage |
| CN106034764A (en) * | 2015-04-17 | 2016-10-26 | 罗伯特·博世有限公司 | Cutting device |
| CN116918591A (en) * | 2023-08-21 | 2023-10-24 | 江西农业大学 | A pruning device for the end of a robotic arm |
-
2007
- 2007-06-30 CN CNU2007201114575U patent/CN201069928Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009003367A1 (en) * | 2007-06-30 | 2009-01-08 | Yong Chen | Scissors-type pruning shears |
| CN101084723B (en) * | 2007-06-30 | 2010-05-26 | 浙江亚特电器有限公司 | scissors pruning shears |
| CN102511321A (en) * | 2009-02-20 | 2012-06-27 | 苏州宝时得电动工具有限公司 | Chain saw |
| CN106034764A (en) * | 2015-04-17 | 2016-10-26 | 罗伯特·博世有限公司 | Cutting device |
| CN106034764B (en) * | 2015-04-17 | 2023-11-28 | 罗伯特·博世有限公司 | cutting device |
| CN105325188A (en) * | 2015-11-23 | 2016-02-17 | 黄贤水 | Solar-powered branch shearing device for cuttage |
| CN116918591A (en) * | 2023-08-21 | 2023-10-24 | 江西农业大学 | A pruning device for the end of a robotic arm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG GUYATT ELECTRICAL CO., LTD. Free format text: FORMER OWNER: CHEN YONG Effective date: 20080711 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080711 Address after: Jiaxing City, Zhejiang Province town industrial zone, Nanhu District more than North Water Road No. 1, zip code: 314009 Patentee after: Zhejiang YAT Electrical Appliance Co., Ltd. Address before: Jiaxing City, Zhejiang Province, Nanhu District on the north side of Yulu Shi Yu Xin Zhen Yate Electric Appliance Co., zip code: 314009 Patentee before: Chen Yong |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20080611 Effective date of abandoning: 20070630 |