CN2812547Y - Structural improvement of long-arm type horticultural scissors - Google Patents

Abstract

The utility model relates to a structural improvement of a pair of long-arm type garden shears, a cutter group of which is assembled on the front end of an extension pipe, the cutter group which is controlled to link by a connecting rod is basically composed of a cutter seat, a chopping block, a cutter edge, a pressing rod, a torsion spring, and a clamping jaw, wherein the cutter seat is combined on the extension pipe, the upper part of the intermediate section of the cutter seat is provided with a pivot connecting hole, the lower part of the intermediate section of the cutter seat is provided with an arc-rowing ducking slot, the front end of the arc-rowing ducking slot is combined with the chopping block, the intermediate section of the cutter edge is provided with a frame connecting hole, the lower part of the cutter edge is provided with a braking hole which is connected with the end part of a connecting rod, the rear section of the cutter edge is orderly provided with a fixing hole, a buckling hole, and a linking hole, the fixing hole is combined and fixed with the pressing rod, the lower part of the front section of the clamping jaw is provided with convex teeth, the center of the front section of the clamping jaw is provided with an arc-rowing regulated pivot hole, the rear upper part of the front section of the clamping jaw is provided with a crooked jostle arc edge and the rear end of the front section of the clamping jaw is provided with the linking hole. The clamping jaw of the utility model is improved in holding force by the structure, the clamping jaw is provided with a regulating and expanding mode which is used for regulating the pivot hole and the utility model can be competent for pruning and holding thicker articles.

Description

The long arm type gardening shears structure improvement

[technical field]

Relevant a kind of " the long arm type gardening shears structure improvement " that is used for pollard or fruit tree use of the utility model system, You Zhiqi is except that the blade with pollard, base of fruit, have more the folder jaw of an interlock, by this can be with branch or the fruit nip of cutting, the unexpected of beginning directly drops on the ground.

[prior art]

When generally being used to prune the branch of eminence or adopting the fruit of cutting eminence, for avoiding branch directly to drop getting to the user of below, or after the base of fruit of being afraid of fruit cut off, the fruit ground of directly dropping, cause the damage of fruit, so employed pruning long-armed scissors, it is at a side place of blade, the folder jaw of one interlock all can be set again, and branch end or fruit that order is cut off can be pressed from both sides the strangulation of jaw institute by this, the unexpected ground of directly dropping, can allow the user move on near decontroling again behind the place, ground, directly drop in order to do avoiding, yet long-armed scissors now in use, still have many improvable places, with progressive space, be promptly to be at the locating of present use inconvenience with the utility model people, improvement design person in addition again.

Press, present known long-armed scissors, should be earlier by Figure 11, see it shown in 12, it is to extend to connect before the handle 10 to set out an extension 20, in the extension 20 and be equipped with a connecting rod 30, and the end is equipped with a set of knives 40 again, connecting rod 30 is to supply handle 10 interlocks, and 40 starts of control set of knives, its set of knives 40 includes: a connecting support 41, one tool rest 42, one chopping block 43, one blade 44, an one folder jaw 45 and a spring 46, wherein, connecting support 41 is to insert knot and be locked on extension 20 front ends, the place ahead also supplies connecting rod 30 to stretch out one section, tool rest 42 is involuting of two sheet metals, the rear end is extended with a connecting rod 421 for inserting knot and being locked in the connecting support 41, and leading portion central authorities are in to the fashionable clip slot 422 that is formed with, the central authorities top also is equipped with a combined hole 423, leading portion then wears back lock knot for chopping block 43 and fixes, blade 44 the place aheads have extended blade 441, rear central authorities are equipped with combined hole 442, the below is provided with brake hole 443 for combining with extension 20 front ends that pass connecting support 41, the top then is provided with a hole slot 444, folder jaw 45 the place aheads have extended folder tooth 451, central authorities are equipped with combined hole 452, and being provided with a gag lever post 453 in the inboard, the rear then is provided with a hole slot 454.

During its combination, tool rest 42 is to plug with connecting support 41 with connecting rod 421 to combine, chopping block 43 is clip slot 422 leading portions that are locked on tool rest 42, blade 44 is to be arranged in the clip slot 422 of tool rest 42, and make combined hole 423 align combined hole 442, folder jaw 45 is attached by the outside again, make combined hole 452 align combined hole 423 equally, again with bolt, nut passes each combined hole 423442452, with blade 44, folder jaw 45 is hubbed on the tool rest 42 and gets final product, spring 46 then is 444454 of two hole slots that hook is located at blade 44 and folder jaw 45, and 453 of the gag lever posts that other presss from both sides jaw 45 are the rear end that is barred from blade 44, makes spring 46 be unlikely to that folder jaw 45 is drop-down above blades 44.

When it uses, as shown in figure 13, when deserving connecting rod 30 post-tensionings, system can directly drive blade 44 toward incision, the folder jaw 45 then be subjected to spring 46 drive and can be together by interlock, and because of being subjected to the restriction of gag lever post 453, therefore unexpected above blade 44, and when blade 44 clips to branch, folder jaw 45 promptly is subjected to stopping of branch, no longer shear, and, pull to and be about to the branch that quilt is cut off only with the pulling force of spring 46 with blade 44, the branch folder is pulled, therefore when branch is cut off fully, be to press from both sides to chopping block 43 with folder jaw 45, and the branch that nip is cut off.

Aforesaid habit formula structure, use has following disappearance person: one its during with the base of fruit pinch off of branch or fruit, it fully only is the pulling force that drives spring 46 by blade 44, to press from both sides jaw 45 folders to chopping block 43 places, the clamping power of this kind mode is limited, can't be applied to heavier, thicker branch, wiping out of fruit, when the object of being wiped out is heavy slightly, this object ground of still can directly dropping, can't reach the purpose of slowly putting down after safety is wiped out, and big especially at object by the gravity in a flash under wiping out, both made lighter object when use is wiped out, still often there is situation about dropping to send out the survivor; If the two clamping powers because of folder jaw 45 are to depend on that merely blade 44 drives the revolution pulling force of springs 46, therefore prune the branch object when thick, and folder jaw 45 there is no enough pulling force spaces object is seized on both sides by the arms, is only to be suitable for thinner object trimmer.

Be with, at the disappearance of above-mentioned known long arm type gardening shears structure, how to develop a kind of new structure that has more desirable practicality, real is the required improvement of industry free man.

[summary of the invention]

The technical problem point that desire solves:

Known long arm type gardening shears structure, it is during with the base of fruit pinch off of branch or fruit, it fully only is the pulling force that drives spring by blade, to press from both sides jaw to the chopping block place, the clamping power of this kind mode is limited, can't be applied to wiping out of heavier, thicker branch, fruit, when the object of being wiped out is heavy slightly, this object ground of still can directly dropping, can't reach the purpose of slowly putting down after safety is wiped out, and big especially at object by the gravity in a flash under wiping out, both made lighter object when use is wiped out, still often there is situation about dropping to send out the survivor; Moreover because of the clamping power of folder jaw, be to depend on that merely blade drives the revolution pulling force of spring, therefore prune the branch object if when thick, the folder jaw there is no enough pulling force spaces object is seized on both sides by the arms, is to prune only to be suitable for thinner object; Above-mentioned disappearance is to be the technical problem point person that institute's desire solves.

The utility model provides a kind of long arm type gardening shears structure improvement, it is to extend to connect before the handle to set out an extension, in the extension and be equipped with a connecting rod, and end and be provided with a keying seat and establish a set of knives for group, linkage is for the start of handle interlock control set of knives.And the set of knives fundamental system is by a tool rest, one chopping block, one blade, one press rods, one torque spring and a folder jaw are formed, wherein, extend the rear end of tool rest a connecting rod, system is fixed for inserting to tie in the keying seat that is locked on extension, and the top, middle section is provided with a pivot-juction hole, make an arc and be provided with an eluding groove in the below, leading portion then combines fixing with chopping block, the blade stage casing is provided with a pivot-juction hole, the below is extended the source and is provided with a brake hole, brake hole system combines with the end of connecting rod, and the blade leading portion then is provided with blade, and back segment then is provided with a fixing hole in regular turn, an one button knot hole and an interlock hole, fixing hole system is fixing for the press rods combination, folder jaw leading portion below has the folder tooth, but this side and panel beating bend to the reinforcement shape of similar profile, and central authorities are equipped with the adjusting pivot hole of the shape of making an arc, what then be provided with an arc-curved shape in back upper place place pushes the arc edge, the rear end then is provided with an interlock hole in addition, by said structure, in order to do forming a long arm type gardening shears structure person.

The effect of contrast prior art:

The long arm type gardening shears structure improvement that one the utility model provides, it is during with the base of fruit pinch off of branch or fruit, system drives the first road torsion of torque spring earlier by blade, with the object of folder jaw to pruning, when the moment of finishing at pinch off, the press rods that is incorporated on the blade can be snapped on the object so that second section mode is more powerful again, make the object energy pruned down firm and certain by clamping, directly the drop situation on ground of object takes place and sends out the survivor in the unexpected power deficiency of seizing on both sides by the arms.

The long arm type gardening shears structure improvement that two the utility model provide, when its folder jaw is seized angle on both sides by the arms in the drive change that is subjected to blade, the adjustment that system does up with adjusting pivot hole is moved, this can increase the space of being seized on both sides by the arms, simultaneously torque spring continues down to produce torsion again again, and when this was used to prune the thicker object of branch, the folder jaw had enough spaces and pulling force to finish, be no matter being thinner object, or thicker object all can be competent at and seize on both sides by the arms in order to do the trimmer.

[description of drawings]

Fig. 1: be three-dimensional combination figure of the present utility model.

Fig. 2: the solid combination enlarged drawing that is the utility model set of knives.

Fig. 3: the three-dimensional exploded view that is the utility model set of knives.

Fig. 4: another angle stereogram of folder jaw that is the utility model set of knives.

Fig. 5: the planar gesture figure when being the utility model set of knives clamping pruning.

Fig. 6: be the planar gesture figure during the clamping of the utility model set of knives is pruned.

Fig. 7: be that the planar gesture figure when finishing is pruned in the clamping of the utility model set of knives.

Fig. 8: be that the stereoscopic motion figure when finishing is pruned in the clamping of the utility model set of knives.

Fig. 9: be the front view that the clamping of the utility model set of knives is pruned.

Figure 10: another embodiment stereogram of folder jaw that is the utility model set of knives.

Figure 11: the three-dimensional combination figure that is the habit formula.

Figure 12: the three-dimensional exploded view that is habit formula set of knives.

Figure 13: the pruning action diagram that is habit formula set of knives.

[embodiment]

Understand and understanding for your juror can be had further the purpose of this utility model, feature and effect, below please conjunction with figs. describe in detail as the back now:

Please consult earlier shown in Fig. 1,2 and see it, long-armed scissors of the present utility model, it is to extend to connect before the handle 50 to set out an extension 60, in the extension 60 and be equipped with a connecting rod 70, and end and be provided with a keying seat 61 and establish a set of knives 80 for group, connecting rod 70 is for 80 starts of handle 50 interlocks control set of knives.

Its set of knives 80, as shown in Figure 3, fundamental system is by a tool rest 81, one chopping block 82, one blade 83, one press rods 84, one torque spring 85 and a folder jaw 86 are formed, wherein, extend the rear end of tool rest 81 connecting rod 811, system is fixed for inserting to tie in the keying seat 61 that is locked on extension 60, and the top, middle section is provided with a pivot-juction hole 812, make an arc and be provided with an eluding groove 813 in the below, leading portion then combines fixing with chopping block 82, blade 83 stage casings are provided with a pivot-juction hole 831, the below is extended the source and is provided with a brake hole 832, brake hole 832 is to combine with the end of connecting rod 70, blade 83 leading portions then are provided with blade 833, back segment then is provided with a fixing hole 834 in regular turn, an one button knot hole 835 and an interlock hole 836, fixing hole 834 is in conjunction with fixing for press rods 84, folder jaw 86 leading portions below has folder tooth 861, but this side and panel beating bend to the second folder tooth 8610 of relative folder tooth 861 shapes to be seen for details shown in Figure 4, and central authorities are equipped with the adjusting pivot hole 862 of the shape of making an arc, what then be provided with an arc-curved shape in back upper place place pushes arc edge 863, and the rear end then is provided with an interlock hole 864 in addition.

During its combination, multiple by Fig. 2 and the sight shown in Figure 5 of arranging in pairs or groups simultaneously, tool rest 81 is to wear in the keying seat 61 of extension 60 back with connecting rod 811 to be established fixing by lock, press rods 84 is to be fixedly arranged on fixing hole 834 inboards of blade 83, and blade 83 is attached by tool rest 81 both sides respectively with folder jaw 86 again, and make pivot-juction hole 831 align pivot-juction hole 812, regulate 862 1 places, pivot hole and align pivot-juction hole 812, after again with screw, it is fixing that nut or rivet pass the pivot knot, this moment, press rods 84 was to be positioned at the back upper place that folder jaw 86 pushes arc edge 863 to locate for one section, 832 end pivot knots with connecting rod 70 of the brake hole of blade 83 are fixed in the shape eluding groove 813 of making an arc of tool rest 81 in addition, torque spring 85 be located at blade 83 and the folder jaw 86 836864 in two interlock holes and with screw, it is fixing that nut or rivet pass the pivot knot, and an end of torque spring 85 to be hook be located at folder jaw 86 tops, the other end then hook is located in the fixing hole 834 of blade 83.

When it uses, time system pushes away forward in inactive state when connecting rod 70, open and blade 83 up opened, it is to be pivoted with blade 83 that pivot hole 862 is regulated in one axle center of folder jaw 86, interlock hole 864 again with interlock hole 836 synchronous interlocks, therefore also can be opened, when pruning use, earlier by sight shown in Figure 5, connecting rod 70 is can be along eluding groove 813 with one section of blade 83 post-tensioning, the object that blade 833 contrectations are pruned, 86 of jaws of folder twisted by torque spring 85 and synchronization action, renew by sight shown in Figure 6, after blade 833 is cut object, folder jaw 86 meeting elder generations are snapped at the object upper surface in first section mode, do the action that presses down with torque spring 85, regulate pivot hole 862 simultaneously and can on pivot-juction hole 812, do the action of up adjusting gradually, use and enlarge and 83 open ratios of blade, at this moment also gradually close of the press rods 84 of pushing arc edge 863 1 segment distances of distance folder jaw 86 originally, last again by Fig. 7 sight shown in Figure 8 of arranging in pairs or groups, when blade 83 is had no progeny the object pruning fully, adjusting pivot hole 862 industries of folder jaw 86 are to adjust to maximum state, outside the torsion of clamping divided by torque spring 85 of this time folder jaw 86, be pressed on for 84 times with press rods more again and push on the arc edge 863, folder jaw 86 is snapped on the object so that second section mode is more powerful, uses the object person of taking off who to cut off.

Its by sight shown in Figure 9 it, when blade 83 during at the object of cutting off, system with the folder jaw 86 folder tooth 861 as interlock, and the second folder tooth 8610 that presss from both sides tooth 861 relatively can be in a segment distance place, object is lived in same interlock, about this kind 2 add upper and lower against chopping block 82 3 interlocks that form, can be more firm and certain with object nip person.

In addition, as shown in figure 10, wherein press from both sides jaw 86 and form on the face that folder teeth 861 and second press from both sides tooth 8610 and can be made as permeable type 8611, can save the constant person of material and intensity by this.

The structure of the above-mentioned specific embodiment of mat, can obtain following benefit: one its during with the base of fruit pinch off of branch or fruit, system drives the first road torsion of torque spring 85 earlier by blade 83, with the object of folder jaw 86 folders to pruning, when the moment of finishing at pinch off, the press rods 84 that is incorporated on the blade 83 can be snapped on the object so that second section mode is more powerful again, make the object energy pruned down firm and certain by clamping, directly the drop situation on ground of object takes place and sends out the survivor in the unexpected power deficiency of seizing on both sides by the arms; Two its folder jaws 86 are when angle is seized in the drive change that is subjected to blade 83 on both sides by the arms, the adjustment that system does up with adjusting pivot hole 862 is moved, this can increase the space of being seized on both sides by the arms, torque spring 85 continues down to produce torsion again more simultaneously, when this is used to prune the thicker object of branch, folder jaw 86 has enough spaces and pulling force to finish, and is no matter being thinner object, or thicker object all can be competent at and seize on both sides by the arms in order to do the trimmer.

In sum, the utility model has reached really in breakthrough structure, and has the utility model content of improvement, simultaneously can reach usability and progressive on the industry again, and the utility model do not see in any publication, also have a novelty, when the regulation that meets the relevant law of Patent Law, the whence proposes novel patent application in accordance with the law, earnestly asks the juror of an ancient unit of weight office and authorizes legal monopoly power, and most sense is prayed.

Only the above person only is a preferred embodiment of the present utility model, when can not with the scope implemented of qualification the utility model; Promptly the equalization of being done according to the utility model claim generally changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims (3)

1, a kind of long arm type gardening shears structure improvement, it is to extend to connect before the handle to set out an extension, in the extension and be equipped with a connecting rod, and end and be provided with a keying seat and establish a set of knives for group, linkage is characterized in that for the start of handle interlock control set of knives:

The set of knives fundamental system is by a tool rest, one chopping block, one blade, one press rods, one torque spring and a folder jaw are formed, wherein, the front end place that tool rest system is incorporated into extension is fixed, and the top, middle section is provided with a pivot-juction hole, make an arc and be provided with an eluding groove in the below, leading portion then combines fixing with chopping block, the blade stage casing is provided with a pivot-juction hole, the below is extended the source and is provided with a brake hole, brake hole system combines with the end of connecting rod, blade, back segment then is provided with a fixing hole in regular turn, one button is tied a hole and an interlock hole, and fixing hole is fixing for the press rods combination, presss from both sides jaw and the central adjusting pivot hole that is equipped with the shape of making an arc, what then be provided with an arc-curved shape in back upper place place pushes the arc edge, and the rear end then is provided with an interlock hole in addition;

Pass through said structure, the pressure leverage is fixedly arranged on the fixing hole inboard of blade, and blade and folder jaw are attached by the tool rest both sides respectively again, and make pivot-juction hole align pivot-juction hole, regulate one place, pivot hole and align pivot-juction hole, and with it together pivot knot is fixing, press rods then is to be positioned at the back upper place that the folder jaw pushes the arc edge to locate for one section, the brake hole system and the interlinking lever end pivot of blade are tied in the eluding groove of tool rest, torque spring system is located between two interlock holes of blade and folder jaw the pivot knot and fixes, and an end of torque spring is that hook is located on the folder jaw, and the other end then hook is located in the fixing hole of blade.

2, a kind of long arm type gardening shears structure improvement, it is to extend to connect before the handle to set out an extension, in the extension and be equipped with a connecting rod, and end and be provided with a keying seat and establish a set of knives for group, linkage is for the start of handle interlock control set of knives, the blade of set of knives can press from both sides the pincers interlock to the chopping block place by interlock folder jaw when the shearing tool rest, it is characterized in that:

The folder jaw has a folder tooth as interlock, there is second of a relative folder odontoid to press from both sides tooth and press from both sides the side one bending of tooth place relatively, by this when pressing from both sides tooth in interlock, the second folder tooth can be in a segment distance place, object is lived in same interlock, about utilization 2 add upper and lower against chopping block in order to do forming 3 interlock persons.

3, long arm type gardening shears structure according to claim 2 improvement is characterized in that, the folder jaw forms the person that can be made as the permeable type on the face that folder tooth and second presss from both sides tooth.

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