CN2843039Y

CN2843039Y - Garden pruner

Info

Publication number: CN2843039Y
Application number: CN 200520130366
Authority: CN
Inventors: 郑昆洽
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-10-31
Filing date: 2005-10-31
Publication date: 2006-12-06
Anticipated expiration: 2015-10-31

Abstract

The utility model relates to a pair of gardening shears, which is composed of an upper blade and a lower blade which are pivoted with each other by a pivot button, the rear ends of the upper blade and the lower blade are fixedly provided with grab handles which are used for the use of gripping and holding operation, wherein the point of the upper blade near the pivot button is ground into a first blade part with a smaller blade angle, the point of the upper blade away from the pivot button is ground into a second blade part with a larger blade angle, the position in the lower blade corresponding to the first blade part of the upper blade is provided with a plane part, and the position in the lower blade corresponding to the second blade part of the upper blade is ground into a lower blade part of which the blade angle is identical to the blade angle of the second blade part; thereby, when the utility model is used to shear, thick diameter pieces can be sheared by the point near the pivot button which utilizes the matching of the first blade part of the upper blade and a plane segment of the lower blade, and thin diameter pieces can be sheared by the point away from the pivot button which utilizes the matching of the second blade part of the upper blade and the lower blade part of the lower blade; therefore, shearing modes can be selected according to the sizes of objects and the purposes of laborsaving operation and convenient use can be achieved.

Description

Orchard shears

Technical field

The utility model relates to a kind of orchard shears, particularly a kind ofly can select shear mode according to object size, and then reach can laborsaving operation and the convenient orchard shears of shearing applicable to thick, thin footpath that uses.

Background technology

Orchard shears is distinguished according to purposes, aboutly haply can divide into that hedge clipper, averruncator, hedge are cut, flower shears etc.; See also Fig. 1, cut 1 with typical hedge, its cutting object that is suitable for is the plant for grow thickly racemosus and thin footpath, because hedge is cut 1 cutting object end footpath and more carefully and quite is easy to shear, therefore generally need not do too much inking at the part of laborsaving operation, be to consider in shear action once on the contrary, need to shear several limbs simultaneously, to make a concentrated effort to finish the work of shearing, therefore hedge cuts 1 on it,

bottom knife

11,12 length are longer, in the hope of in shear action once, can make more thin footpath limb, last, bottom knife 11, do shearing once in 12 the clamping scope, yet, hedge cuts 1 in the use of reality, still be difficult to avoid suffering from the shearing of minority particle size limb, in this case, if no hedge clipper can use for changing, then only can continue to use hedge to shear the limb of particle size, and it is time-consuming not only quite to consume power with the limb of hedge shearing particle size, and the easy deflection of shearing area, so on using its inconvenience is arranged, below when shearing particle size limb with regard to it, cause consumption power cause description time-consuming and the easy deflection of shearing area as follows:

1. see also Fig. 2, hedge is cut when shearing particle size limb 13, because the tip of the tip of the blade part 111 of cutter 11 and the blade part 121 of bottom knife 12 must be able to interlock, therefore two tips are not the straight line that is relative, but has slightly skew, and two tips are again to replace the limb both sides with point, and this can produce rotating moment once the skew situation when shearing; See also Fig. 3, described turning moment is not to cause particle size limb 13 beats, makes the bigger skew of two blade parts, 111,121 relative positions exactly, and makes the shearing area deflection, and it is time-consuming also to consume power in the relative certainly shearing.

2. please consult Fig. 2 again, generally speaking, the blade part 111 of the cutter 11 that hedge is cut is bigger with the knife edge angular of the blade part 121 of bottom knife 12, therefore when shearing particle size limb 13, two blade parts 111,121 go deep into limb inside more, and its knife edge angular senior general more causes shearing resistance big more; Please consult Fig. 3 again, described shearing resistance is big more, will make in blade part 111, the 121 difficult more incision limbs, and must expend bigger strength to overcome described shearing resistance, therefore shears particle size limb 13 with hedge, definitely is that suitable consumption power is time-consuming.

Yet, hedge is cut and hedge clipper as preparing respectively, the different problems that produced to overcome in the use respectively, for amateur user, not only can increase acquisition cost, therefore and also portably use and to bring inconvenience, if can on hedge is cut the orchard shears of kenel, set up the structure of shearing particle size limb, can significantly improve the convenience of its use and the benefit of laborsaving operation.

Summary of the invention

Main purpose of the present utility model provides a kind of orchard shears, and it is to form in being articulated with a pivot button by cutter and bottom knife, and sets firmly lever in the rear end of cutter and bottom knife, uses for holding operation; Wherein, the nearly pivot button of cutter place grinds into the first less blade part of a knife edge angular, then grinds into the second bigger blade part of a knife edge angular away from pivot button place, and in addition bottom knife is to grind into a following blade part that is same as the second blade part knife edge angular; Thus, when shearing, nearly pivot button place utilizes the first less blade part of cutter knife edge angular to cooperate with bottom knife, can do the shearing of particle size spare, second blade part that then utilizes cutter away from pivot button place cooperates with the following blade part of bottom knife, do the shearing of thin footpath part, and then can select shear mode, reach laborsaving operation and the convenient purpose of using according to object size.

Of the present utility model time a purpose provides a kind of orchard shears, wherein, bottom knife is to be provided with a planar section with respect to the first blade part position of cutter, and can utilize described planar section that particle size spare is replaced as larger area, and by first blade part of cutter particle size spare is sheared; Thus, when shearing, can avoid producing turning moment, and reach laborsaving operation and have the purpose of preferable shearing area.

Another purpose of the present utility model provides a kind of orchard shears, wherein, first blade part of described cutter and the planar section of bottom knife are to be located at nearly pivot button place, make when shearing with the lever application of force, utilize nearly pivot button place can obtain bigger shearing force, be beneficial to the shearing that particle size spare is made in the labour-saving.

Another purpose of the present utility model provides a kind of orchard shears, wherein, the planar section at the nearly pivot button of bottom knife place, be to be installed with a stop block in the appropriate location, and can utilize described stop block to replace particle size spare, with when shearing, prevent that the vectorial component of cutter from passing particle size spare away from pivot button place, reach the purpose of laborsaving shearing.

A kind of orchard shears, it is to be articulated with a pivot button by cutter and bottom knife to form, and sets firmly lever in the rear end of cutter and bottom knife; It is characterized in that: the first less blade part of a knife edge angular is made at the nearly pivot button of described cutter place, then make the second bigger blade part of a knife edge angular away from pivot button place, described bottom knife then grinds blade part with respect to the second blade part position of cutter.

Described bottom knife is to be provided with a planar section with respect to the first blade part position of cutter.

The planar section of described bottom knife is installed with one and replaces cutting member, prevents the stop block of cutting member slippage when shearing.

The knife edge angular of described cutter first blade part is approximately 9～12 degree.

The knife edge angular of described cutter second blade part is approximately 19～22 degree.

The knife edge angular of blade part is identical with second blade part of cutter under the described bottom knife.

Description of drawings

Fig. 1 cuts the schematic diagram of the orchard shears of kenel for existing hedge;

Fig. 2 cuts one of orchard shears schematic diagram when shearing particle size limb of kenel for existing hedge;

Fig. 3 cut for existing hedge kenel the schematic diagram of orchard shears when shearing particle size limb two;

Fig. 4 is the schematic appearance of the utility model orchard shears;

Fig. 5 is the schematic appearance of the utility model orchard shears other direction;

Fig. 6 is the schematic diagram of the utility model orchard shears when shearing thin footpath limb;

Fig. 7 is the schematic diagram of the utility model orchard shears when shearing particle size limb;

Fig. 8 is the utility model orchard shears when shearing particle size limb, one of illustrative view of cutter and bottom knife;

Fig. 9: the utility model orchard shears when shearing particle size limb, two of the illustrative view of cutter and bottom knife.

Description of reference numerals

Prior art: 1 hedge is cut; 11 cutters; 111 blade parts; 12 bottom knife; 121 blade parts; 13 particle size limbs.

The utility model: 2 orchard shearses; 21 cutters; 211 first blade parts; 212 second blade parts; 22 bottom knife; 221 planar sections; 222 times blade parts; 23 pivot buttons; 24 levers; 25 levers; 26 stop blocks.

Embodiment

See also Fig. 4 and Fig. 5, orchard shears 2 of the present utility model is to be articulated with a pivot button 23 by cutter 21 and bottom knife 22 to form, and set firmly lever 24,25 in the rear end of cutter 21 and bottom knife 22, use for holding operation, in order to be applicable to the plant of shearing grow thickly racemosus and thin footpath, in the hope of in shear action once, can make more thin footpath limb, do shearing once in the clamping scope of upper and

lower blade

21,22, the upper and lower blade the 21, the 22nd of the utility model orchard shears 2 has long length; Wherein, cutter 21 nearly pivot buttons 23 places grind into the first less blade part 211 of a knife edge angular, its knife edge angular is approximately 9～12 degree, then grind into the second bigger blade part 212 of a knife edge angular away from pivot button 23 places, its knife edge angular is approximately 19～22 degree, bottom knife 22 is to be provided with a planar section 221 with respect to first blade part, 211 positions of cutter 21 in addition, in the appropriate location of described planar section 221 and be installed with a stop block 26, utilize described stop block 26 can replace cutting objects, then grind into a following blade part 222 that is same as second blade part, 212 knife edge angulars with respect to second blade part, 212 positions of cutter 21; And when shearing, first blade part 211 that utilizes nearly pivot button 23 place's cutters 21 cooperates with the planar section 221 of bottom knife 22, do the shearing of particle size spare, second blade part 212 that then utilizes cutter 21 away from pivot button 23 places cooperates with the following blade part 222 of bottom knife 22, do the shearing of thin footpath part, and can select shear mode according to the size footpath of cutting objects, manipulate with facility.

See also Fig. 6, the utility model cutter 21 away from pivot button 23 places second blade part 212, and the following blade part 222 of bottom knife 22, carry on as before and have long length, therefore in shearing once, can do the shearing of most thin footpaths limb simultaneously, and be the shear mode of thin footpath part.

See also Fig. 7, when gripping lever operation shearing, because nearly pivot button 23 places can obtain bigger shearing force, therefore first blade part 211 of the utility model cutter 21 cuttves and the planar section 221 of bottom knife 22 are located at nearly pivot button 23 places, make when the shearing of making particle size spare, can bigger shearing force shear, and and be than labour-saving particle size spare shear mode; And when particle size spare was sheared, the stop block 26 of planar section 221 can be replaced location particle size spare, and the vectorial component when preventing that cutter 21 from shearing passes particle size spare away from pivot button 23 places, reaches the purpose of laborsaving shearing.

See also Fig. 4 and Fig. 8, the utility model is owing to be to be provided with a planar section 221 at bottom knife 22 with respect to cutter 21 first blade parts 211 positions, and can utilize 221 pairs of particle size spares of described planar section to replace as larger area, to reduce the generation of turning moment, and shear, and reach laborsaving operation and have the purpose of preferable shearing area by 211 pairs of particle size spares of first blade part of cutter 21.

See also Fig. 4 and Fig. 9, the utility model therefore when shearing, cooperate replacing of 221 pairs of particle size spares of planar section, and shearing resistance that can be less is cut off particle size spare because first blade part, 211 knife edge angulars of cutter 21 are less, reaches the purpose of laborsaving shearing.

Claims

1. orchard shears, it is to be articulated with a pivot button by cutter and bottom knife to form, and sets firmly lever in the rear end of cutter and bottom knife; It is characterized in that: the first less blade part of a knife edge angular is made at the nearly pivot button of described cutter place, then make the second bigger blade part of a knife edge angular away from pivot button place, described bottom knife then grinds blade part with respect to the second blade part position of cutter.

2. according to the described orchard shears of claim 1, it is characterized in that: described bottom knife is to be provided with a planar section with respect to the first blade part position of cutter.

3. according to the described orchard shears of claim 2, it is characterized in that: the planar section of described bottom knife is installed with one and replaces cutting member, prevents the stop block of cutting member slippage when shearing.

4. according to the described orchard shears of claim 1, it is characterized in that: the knife edge angular of described cutter first blade part is approximately 9～12 degree.

5. according to the described orchard shears of claim 1, it is characterized in that: the knife edge angular of described cutter second blade part is approximately 19～22 degree.

6. according to the described orchard shears of claim 1, it is characterized in that: the knife edge angular of blade part is identical with second blade part of cutter under the described bottom knife.