CN202232266U - Gardening scissors with switchable shear mode - Google Patents
Gardening scissors with switchable shear mode Download PDFInfo
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- CN202232266U CN202232266U CN2011203477283U CN201120347728U CN202232266U CN 202232266 U CN202232266 U CN 202232266U CN 2011203477283 U CN2011203477283 U CN 2011203477283U CN 201120347728 U CN201120347728 U CN 201120347728U CN 202232266 U CN202232266 U CN 202232266U
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- lever
- moving plate
- blade unit
- orchard shears
- shear mode
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Abstract
The utility model relates to a pair of gardening scissors with a switchable shear mode. The pair of gardening scissors comprises a first grip handle, a second grip handle, a blade unit, a drive connecting rod and a switching unit, wherein, the first grip handle and the second grip handle are used by a user for gripping and applying a force; the blade unit is pivotally arranged at the front end of the first grip handle and enabled to correspond to a drill blade arranged at the front end of the first grip handle so as to form a shear mouth; the drive connecting rod is pivotally arranged on the second grip handle, and one end of the drive connecting rod is arranged at the rear end of the blade unit and used for pushing the blade unit to shear; and the switching unit is arranged on the second grip handle as a linearly mobile structure, so that the switching unit can either move straight forwards to prop against the blade unit or move straight backwards to separate from the blade unit. The pair of gardening scissors with the a switchable shear mode, provided by the utility model, can enable the user to choose the shear mode of the gardening scissors through the switching unit, so that needs for gardening work can be satisfied.
Description
Technical field
The utility model refers to a kind of orchard shears of changeable shear mode especially about a kind of orchard shears.
Background technology
Consulting orchard shears shown in Figure 1, known mainly is to be applied to pollard, through lever 10, lever 20 and special shear blade 30 shapes, makes orchard shears be specially adapted to shear trees.But the power of utilizing the user to put on lever 10, lever 20 merely drives shear blade 30, if meet the thicker trees of diameter, will quite require great effort because of the excessive user of causing of reaction force, especially can not be used for pruning trees for a long time.
For this reason; Consult improved procedure shown in Figure 1, known and between lever 10, lever 20, make moving plate 301, make moving plate 301 and be provided with a bar hole 302 for the rear end of shear blade 30 being extended one; And be provided with a plurality of positioning embeded grooves 303 at bar hole 302 1 sidewalls; A lever 20 connecting rod 40 that is pivoted therein in addition, connecting rod 40 1 ends are placed through in the bar hole 302 through a bearing pin 401, to form the orchard shears that sectional is sheared.When being used for pruning trees, the bearing pin 401 of connecting rod 40 capable of using is embedded in the position of positioning embeded groove 303 in bar hole 302 conversion, is used for segmentation and cuts off branch.
Yet the orchard shears that known sectional is sheared is to design to the fat tree branch that is difficult for cutting off; But also because above-mentioned structural design; Must be according to the application of force, loosen, this perseveration of the application of force is sheared again; Even be applied to prune thinner branch, also can't be only an application of force just cut off thin branch, and must still abide by the application of force, loosen, this perseveration of the application of force could be accomplished and cut off action again; Cause the trouble in the use unavoidably, cause laborsaving sometimes on the contrary and timesaving situation not; Moreover; Some user did not use or was not accustomed to as yet the orchard shears of above-mentioned sectional shear action; When they have no way application of force when blocking with regard to the action cutting off or abide by multistage and shear, often think the orchard shears fault and produce the problem in the use, for example; Reverse carelessly and rock orchard shears, cut this moment and just turned round bad easily into the blade part or the hub position of branch.
By above-mentioned visible; Best orchard shears should be the structure of implementing changeable shear mode; When letting the user face thin branch, the pattern that can select application of force to cut off, otherwise when running into will cut the fat tree branch time; Also can select province's force mode of gradation application of force nibbling shear, could meet the elastic demand in general user's horticulture so most.
The utility model content
In view of this; The purpose of the utility model is to provide a kind of orchard shears of changeable shear mode; Combining structure through first lever, second lever, blade unit, drive link and switching device; Particularly the switching device line activities is arranged at the structural design of second lever, and then reaches the purpose of effects such as convertible shear mode, easy to operate and easy manufacturing; The combined structure design through safety fastener and this switching device also, and then reach the purpose that safety collection and structure dispose effect such as ingenious.
For achieving the above object, the utility model provides a kind of orchard shears of changeable shear mode, and the orchard shears of said changeable shear mode comprises:
One first lever, its front end are provided with one first articulated section and one second articulated section, and the front end of first lever is provided with the cutter brill sheet of a curved arc shape;
One second lever, its front end activity is hubbed at second articulated section of first lever, and second lever is adjacent to first lever;
One blade unit; It comprises the moving plate of doing that a shear blade and extends said shear blade rear end; Said blade unit is hubbed at first articulated section of first lever, and shear blade bores sheet corresponding to the cutter of first lever, and extends between first lever and second lever as moving plate; And be provided with the through hole of a bar shaped as moving plate, a side opening wall of through hole is provided with the locating slot more than two;
One drive link, the activity of one of which end is articulated in second lever, and the other end is arranged in the through hole of blade unit through a latch, and latch embeds in the locating slot through shifting one's position; And
One switches element; It comprises the back-up block that an application of force button and is connected in said application of force button; Said switching device is arranged at second lever with the line activities structure; And back-up block, reaches through reverse linear and retreats the edge of making moving plate that breaks away from blade unit against the edge of making moving plate of living blade unit through straight ahead.
As preferred version, wherein said switching device is arranged at second lever and adjacent to the inner face of first lever, and back-up block is towards the moving plate of doing of blade unit, and application of force button is towards first lever.
As preferred version, wherein said switching device is arranged at second lever and adjacent to the inner face of first lever, and back-up block is towards the moving plate of doing of blade unit, and application of force button stretches out at least one side of second lever.
As preferred version, the inner face of adjacent first lever of wherein said second lever is provided with a groove, and switching device is arranged in the groove.
As preferred version, the orchard shears of wherein said changeable shear mode also comprises a safety fastener, and safety fastener is arranged at second lever, and safety fastener fastens the moving plate of doing of blade unit.
As preferred version, the pivot joint block and that wherein said safety fastener comprises a button, the said button of a connection runs through said pivot joint block and is used to fasten the catching groove of making moving plate.
As preferred version, the back-up block of wherein said switching device is through the do moving plate of catching groove towards blade unit.
As preferred version, the wherein said rear end of making moving plate is provided with the lug withheld by catching groove.
As preferred version, the pivot joint block of wherein said safety fastener is hubbed at the outside of second lever.
As preferred version, the pivot joint block of wherein said safety fastener is hubbed in the groove of second lever.
The orchard shears of the changeable shear mode that the utility model provided; Can provide the user forward the linear advancement switching device and backward straight line withdraw from switching device; When the advances switching device and when implementing pollard; Through back-up block be resisted against blade unit do can once cut off branch and easy to operate effect to reach shear blade in the moving plate edge; If the diameter of branch is thick excessively; Also can withdraw from switching device backward; Therefore when implementing to prune the fat tree branch; Latch that can utilize drive link and the pattern that the chimeric position of the locating slot of making moving plate changes let the user force in first and second lever one by one, and then reach segmented model and cut off fat tree branch and labour-saving effect; Moreover; The utility model more can be through the structural design of safety fastener; And the structure that makes up each other of safety fastener and switching device, two elements are arranged at second lever, and can when not using orchard shears, utilize safety fastener to fasten the moving plate of doing of blade unit; Make the clip of orchard shears closed, and then reach effects such as safety collection and structure configuration be ingenious.
Description of drawings
Fig. 1 is the orchard shears structural representation of known changeable operator scheme;
Fig. 2 is the schematic perspective view of the orchard shears preferred embodiment of the changeable shear mode of the utility model;
Fig. 3 is the side schematic view of the orchard shears preferred embodiment of the changeable shear mode of the utility model;
Fig. 4 is one of application of force shear action sketch map of the utility model preferred embodiment;
Fig. 5 be the utility model preferred embodiment an application of force shear action sketch map two;
Fig. 6 is one of segmentation application of force shear action sketch map of the utility model preferred embodiment;
Fig. 7 be the utility model preferred embodiment segmentation application of force shear action sketch map two;
Fig. 8 be the utility model preferred embodiment segmentation application of force shear action sketch map three;
Fig. 9 be the utility model preferred embodiment segmentation application of force shear action sketch map four;
Figure 10 is the schematic perspective view of the utility model safety fastener preferred embodiment;
Figure 11 is the side schematic view of the utility model safety fastener preferred embodiment;
Figure 12 is the A-A generalized section of the utility model safety fastener preferred embodiment;
Figure 13 is the usage operation sketch map of the utility model safety fastener preferred embodiment;
Figure 14 is embodied as the preferred embodiment sketch map of long handle orchard shears for the utility model;
Figure 15 is the sketch map of another preferred embodiment of the utility model switching device.
The critical piece title:
First lever-1; Lever-10; First articulated section-11; Axis hole-111; First pivot-112; Second articulated section-12; Cutter bores sheet-13; Cutter seam-14; Branch-15;
Second lever-2; Lever-20; Groove-21;
Blade unit-3; Shear blade-30; Make moving plate-301; Bar hole-302; Positioning embeded groove-303; Shear blade-31; The edge of a knife-311; Make moving plate-32; Through hole-33; Locating slot-331; Lug-34;
Drive link-4; Connecting rod-40; Bearing pin-401; Latch-41;
Switching device-5; Application of force button-51; Back-up block-52;
Safety fastener-6; Button-61; Pivot joint block-62; Catching groove-63.
Embodiment
In order further to understand the characteristic and the technology contents of the utility model, see also following detailed description and accompanying drawing, yet following accompanying drawing and embodiment only provide reference and the usefulness of saying about the utility model, be not to be used to limit the utility model.
Consult Fig. 2 and shown in Figure 3; The orchard shears of the changeable shear mode that the utility model provided; Be that a kind of can the switching changed the orchard shears that shear mode is used for pollard; Its preferred embodiment comprises one first lever 1, one second lever 2, a blade unit 3, a drive link 4 and is switched element 5; Wherein: first lever 1 adopts integrally moulded or winding mode to constitute a shaft-like lever, is provided with one first articulated section 11 and one second articulated section 12 at the front end of first lever 1, and bores sheet 13 at the cutter that the front end of first lever 1 is provided with a curved arc shape; Cutter bore that sheet 13 can be formed in one or combination forming at first lever, 1 front end, in order to cooperate the generation shearing action with blade unit 3.Second lever 2 also adopts integrally moulded or winding mode to constitute a shaft-like lever; The front end activity of second lever 2 is hubbed on second articulated section 12 of first lever 1; Make second lever 2 adjacent to first lever 1, and can provide the user to be gripped on first lever 1 and second lever, 2 application of forces.Blade unit 3 is the blade that sheet metal punching press and grinding are processed; What it included that a shear blade 31 and extends shear blade 31 rear ends makes moving plate 32; And make blade unit 3 be hubbed on first articulated section 11 of first lever 1; Make the cutter brill sheet 13 of the edge of a knife 311 of shear blade 31 corresponding to first lever 1; Extend between first lever 1 and second lever 2 and make moving plate 32, and making the through hole 33 that moving plate 32 is provided with a bar shaped, a side opening wall of through hole 33 is provided with semicircular locating slot 331 more than two (as shown being four locating slots 331).Drive link 4 is for driving the rod-shaped elements of blade unit 3 starts; The activity of one of which end is articulated in the handle body chosen place of second lever 2; The opposite other end is located among the through hole 33 of blade unit 3 through a latch 41; Latch 41 can be shifted one's position and embed locating slot 331, make the shear blade 31 of front end produce starts, shear branch in order to the user to be provided to promote making moving plate 32.And switching device 5 comprises the back-up block 52 that an application of force button 51 and one-body molded or winding take shape in application of force button 51; And switching device 5 is arranged on second lever 2 with the line activities structure; Make back-up block 52 ability straight ahead against the edge of making moving plate 32 of living blade unit 3, also can reverse linear retreat the edge of making moving plate 32 that breaks away from blade unit 3.Combining structure through above-mentioned first lever 1, second lever 2, blade unit 3, drive link 4; Particularly switching device 5 is arranged at second lever 2 with the line activities shape; The orchard shears that just can form the changeable shear mode of the utility model; Switching device 5 advances capable of using or the action of backward withdrawing from provide the user to select a cutter to cut off (application of force) or (the gradation application of force) branch is cut off in segmentation.
Consult shown in Figure 2ly, above-mentioned this switching device 5 of the utility model can be arranged on second lever 2 and adjacent to the inner face of first lever 1, make its back-up block 52 towards blade unit 3 make moving plate 32, and application of force button 51 is towards first lever 1.Or consult shown in Figure 15; Switching device 5 also can be arranged on second lever 2 and adjacent to the inner face of first lever 1; Make its back-up block 52 towards blade unit 3 make moving plate 32, and application of force button 51 stretches out a side or the two sides of second lever 2, so lets the user force in application of force button 51 more easily.Wherein, The inner face of second lever, 2 adjacent first levers 1 can be provided with a groove 21; So that switching device 5 is arranged in the groove 21 with the line activities structure, and the back-up block 52 that makes switching device 5 towards blade unit 3 make moving plate 32, in order to user's advances to be provided or to withdraw from backward.Said line activities structure can be structure (shown in figure 12) or other form of slide rail and chute coupling, and can implement the positioning function design, makes switching device 5 advances or is withdrawn into fixed point backward.
Consult shown in Figure 2ly again, the front end of above-mentioned first lever 1 of the utility model is provided with the cutter seam 14 that runs through, blade unit 3 being placed through cutter seam 14, and movable first articulated section 11 that is hubbed on first lever 1.Wherein, first articulated section 11 comprise one vertically run through cutter seam 14 axis hole 111 and be arranged on first pivot 112 in the axis hole 111, and make first pivot 112 be arranged in blade unit 3, and then make blade unit 3 activities be hubbed on first lever 1.
When the utility model provides the user to be used for the horticulture pollard; Consult shown in Figure 4; Can cause back-up block 52 to move to the end of travel position that corresponding blade unit 3 is made moving plate 32 switching device 5 advances, orchard shears is switching to the pattern that application of force just can a cutter be cut off.Therefore; Consult shown in Figure 4; When the user holds first lever 1 and second lever, 2 application of forces; With the shear blade that makes blade unit 3 31 incision branches 15, simultaneously because first articulated section 11 of first lever 1 drive blade units 3 make moving plate 32 towards 2 closings of second lever, make the back-up block 52 of moving plate 32 edge up to blade unit 3 at switching device 5.Consult shown in Figure 5 simultaneously; When the user continues the application of force again; With utilizing back-up block 52 for the reaction force of making moving plate 32, stop and make moving plate 32 again to 2 closings of second lever, continue to shift one's position forward and embed the locating slot 331 in the place ahead from the latch 41 of exercising drive link 4 simultaneously; Therefore the shear blade 31 of blade unit 3 front ends just can utilize this effect, and branch 15 is fully once cut off.This shows,, can let application of force of user just cut off branch, be particularly suitable for pruning thinner branch through the design of switching device 5.Moreover; Be embodied as the structure of line activities through above-mentioned switching device 5; The pattern of manipulating that promotes before and after its straight line is simpler than known orchard shears, and back-up block 52 can support blade unit 3 rear ends really make moving plate 32, reach the function that application of force is cut off.
If during the branch that chance will be thicker, the utility model also can provide the user to select relative labour-saving mode of operation, cuts off branch with the mode segmentation of the gradation application of force.Consult shown in Figure 6; The user is as long as withdraw from switching device 5 from the end of travel position that blade unit 3 is made moving plate 32 backward; Carry out the work of pollard again; When the shear blade 31 of blade unit 3 abutted to branch 15, the latch 41 of drive link 4 can embed and make the rear locating slot 331 in moving plate 32 through holes 33.Consult shown in Figure 7ly, when user's application of force, just can utilize drive link 4 to drive to make moving plate 32 to cause front end shear blade 31 incision branches 15 certain depths.Consult shown in Figure 8 again; When the user can't force in first lever 1 and second lever 2 again; As long as unclamp strength a little, drive drive link 4 through second lever 2 and cause latch 41 to be shifted one's position forward and embed the locating slot 331 in the place ahead first lever 1 and second lever 2.Consult shown in Figure 9ly, force in first lever 1 and second lever 2 at last again, just can be again drive and make moving plate 32 and cause front end shear blade 31 to cut off branch 15 fully through drive link 4.This shows,, reach the labour-saving effect if branch is very thick so that when can't an application of force cutting off, just can utilize the pattern of above-mentioned gradation application of force nibbling shear to cut off branch.
When the orchard shears of the utility model does not use; Cause danger and prevent the edge of a knife 311 clashing and breaking for preventing that the edge of a knife 311 from opening; Consult Figure 10, Figure 11 and shown in Figure 12; The utility model preferred embodiment also includes a safety fastener 6, and safety fastener 6 is movably arranged on second lever 2, and what be used for that shear blade 31 and cutter bore that sheet 13 fastens blade unit 3 when closed makes moving plate 32.Wherein, Safety fastener 6 has a button 61; One connects the pivot joint block 62 of button 61; And one run through pivot joint block 62 and be used to fasten the catching groove 63 of making moving plate 32, pivot joint block 62 is hubbed in the outside or groove 21 of second lever 2, makes that safety fastener 6 is can the person of being used push-jump makes moving plate 32 in order to what fasten blade unit 3.Above-mentioned safety fastener 6 preferable closed position can be to do the rear end of moving plate 32; Therefore the utility model also is provided with the lug 34 withheld by catching groove 63 in the rear end of making moving plate 32, consult shown in Figure 13, when shear blade 31 and cutter bore the edge of a knife of sheet 13 when closed; Just can push-jump forward safety fastener 6; Make catching groove 63 withhold lug 34, prevent that shear blade 31 and cutter from boring the edge of a knife unlatching of sheet 13, reaches the effect of the safety collection and the protection edge of a knife.Otherwise, when the user need use orchard shears, as long as push-jump backward safety fastener 6 just can be opened orchard shears.
Consult Figure 10, Figure 12 and shown in Figure 13 again; Because the utility model second lever 2 must be provided with the switching device 5 of line activities; The catching groove 63 of the back-up block 52 that therefore more can make switching device 5 through safety fastener 6 made moving plate 32 towards blade unit 3; Through such structural design, can not only switching device 5 and safety fastener 6 be configured on second lever 2 dexterously, and can both bring into play that it is former powerful.In addition; The orchard shears of the utility model is not limited to the orchard shears of short handle, consults shown in Figure 14ly, also can the size of its each member be amplified; Simultaneously first lever 1 and second lever 2 are implemented lengthening; The large-scale orchard shears of so forming long handle can utilize the configuration structure of blade unit 3 and switching device 5 equally, reaches identical effect.
The above; Be merely the preferred embodiment of the utility model; Be not in order to limit the protection domain of the utility model; So those of ordinary skill in the art in like manner all should be contained within the protection domain of the utility model not breaking away from the equivalence change and modification that the utility model spirit and scope are done such as.
Claims (10)
1. the orchard shears of a changeable shear mode, it is characterized in that: the orchard shears of said changeable shear mode comprises:
One first lever, its front end are provided with one first articulated section and one second articulated section, and the front end of first lever is provided with the cutter brill sheet of a curved arc shape;
One second lever, its front end activity is hubbed at second articulated section of first lever, and second lever is adjacent to first lever;
One blade unit; It comprises the moving plate of doing that a shear blade and extends said shear blade rear end; Said blade unit is hubbed at first articulated section of first lever, and shear blade bores sheet corresponding to the cutter of first lever, and extends between first lever and second lever as moving plate; And be provided with the through hole of a bar shaped as moving plate, a side opening wall of through hole is provided with the locating slot more than two;
One drive link, the activity of one of which end is articulated in second lever, and the other end is arranged in the through hole of blade unit through a latch, and latch embeds in the locating slot through shifting one's position; And
One switches element; It comprises the back-up block that an application of force button and is connected in said application of force button; Said switching device is arranged at second lever with the line activities structure; And back-up block, reaches through reverse linear and retreats the edge of making moving plate that breaks away from blade unit against the edge of making moving plate of living blade unit through straight ahead.
2. the orchard shears of changeable shear mode according to claim 1 is characterized in that: said switching device is arranged at second lever and adjacent to the inner face of first lever, and back-up block is towards the moving plate of doing of blade unit, and application of force button is towards first lever.
3. the orchard shears of changeable shear mode according to claim 1; It is characterized in that: said switching device is arranged at second lever and adjacent to the inner face of first lever; And back-up block is towards the moving plate of doing of blade unit, and application of force button stretches out at least one side of second lever.
4. like the orchard shears of claim 2 or 3 said changeable shear modes, it is characterized in that: the inner face of adjacent first lever of said second lever is provided with a groove, and switching device is arranged in the groove.
5. the orchard shears of changeable shear mode according to claim 1, it is characterized in that: the orchard shears of said changeable shear mode also comprises a safety fastener, and safety fastener is arranged at second lever, and safety fastener fastens the moving plate of doing of blade unit.
6. like the orchard shears of the said changeable shear mode of claim 5, it is characterized in that: the pivot joint block and that said safety fastener comprises a button, the said button of a connection runs through said pivot joint block and is used to fasten the catching groove of making moving plate.
7. like the orchard shears of the said changeable shear mode of claim 6, it is characterized in that: the back-up block of said switching device is through the do moving plate of catching groove towards blade unit.
8. like the orchard shears of the said changeable shear mode of claim 6, it is characterized in that: the said rear end of making moving plate is provided with the lug withheld by catching groove.
9. like the orchard shears of the said changeable shear mode of claim 6, it is characterized in that: the pivot joint block of said safety fastener is hubbed at the outside of second lever.
10. like the orchard shears of the said changeable shear mode of claim 6, it is characterized in that: the pivot joint block of said safety fastener is hubbed in the groove of second lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203477283U CN202232266U (en) | 2011-09-16 | 2011-09-16 | Gardening scissors with switchable shear mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203477283U CN202232266U (en) | 2011-09-16 | 2011-09-16 | Gardening scissors with switchable shear mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202232266U true CN202232266U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203477283U Expired - Fee Related CN202232266U (en) | 2011-09-16 | 2011-09-16 | Gardening scissors with switchable shear mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202232266U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015109424A1 (en) * | 2014-01-27 | 2015-07-30 | 林有堂 | Horticulture shears having switchable operation mode |
| GB2541779A (en) * | 2015-08-19 | 2017-03-01 | Everraise Entpr Co Ltd | Pruning shear device switchable between different operating modes |
-
2011
- 2011-09-16 CN CN2011203477283U patent/CN202232266U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015109424A1 (en) * | 2014-01-27 | 2015-07-30 | 林有堂 | Horticulture shears having switchable operation mode |
| GB2541779A (en) * | 2015-08-19 | 2017-03-01 | Everraise Entpr Co Ltd | Pruning shear device switchable between different operating modes |
| GB2541779B (en) * | 2015-08-19 | 2017-10-04 | Everraise Entpr Co Ltd | Pruning shear device switchable between different operating modes |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20120530 Termination date: 20120916 |