CN2495086Y

CN2495086Y - Strong-forced tree shears

Info

Publication number: CN2495086Y
Application number: CN 01233642
Authority: CN
Inventors: 张阿龙; 沈宝弟
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-07-31
Filing date: 2001-07-31
Publication date: 2002-06-19
Anticipated expiration: 2011-07-31

Abstract

The utility model relates to a strong pruning shears adaptable to shear the tree branches with each much larger caliber. A scissor hook is fixed and connected with a handle; a connecting arm is hinged on the knife blade base of the scissor hook, and then to hinge the scissor knife blades through another hinged axis near the hinged point. The rear end part of the scissor knife blades is respectively provided with a slide slot and a plurality of stayed concave points; the short arm for increasing force is connected with a slide slot of the scissor knife blade handle through a slide pin. The scissor hook is provided with a matched tray body; and an elastic flat wire is arranged in the tray body; the upper part of the tray body is correspondingly arranged with the knife blade of the scissor knife; and the end part is provided with a tip-tilted heave. So the utility model is characterized in rational design, much higher intension, much larger scissor open degree and much higher shearing efficiency; the shear force is increased greatly with comfortable and easiest operation. Besides, the utility model can decrease the lab intension, enhance the productivity and simplify the manufacturing technics and so on.

Description

Heavy duty shears

Technical field

The utility model relates to a kind of garden instrument, especially relates to a kind of heavy duty shears that is applicable to that larger caliber branches such as various economic forest, fruit tree are directly pruned.

Background technology

The training of gardens and economic forest branch or pruning are an important job, and shrub and hedge trimmer are a kind of main tools of production wherein.Existing shrub and hedge trimmer are simple in structure because of it, and cost of manufacture is lower, are used in gardening or the production of forestry increasingly extensively.Also once there were many people to attempt it is improved, and applied for relevant patent.For example, someone has applied for the utility model patent of a kind of " gardens fruit tree shrub and hedge trimmer " (patent No. 99215950.4) by name, its main feature is that this clipper has mutually nested interior overcoat, stretch out outside the overcoat at the two ends of interior bar, blade is connected on it, outer set upper side one side connects shear shank by connecting ring, and shear shank is provided with the cutter base of band wave trough, is provided with back-moving spring between the interior overcoat; Compare with original shrub and hedge trimmer, though that it has shear height is adjustable, characteristics such as do not consume energy.If prune diameter when the thick branch more than 25 millimeters, along with the incision of shearing blade, it is more and more painstaking to feel but in practice.Mainly have following shortcoming: 1. the sword spring degree of pruner circular arc is less, and when beta pruning, the branch of flowers and trees is often squeezed from clip and skids off; 2. shearing blade is sharp inadequately, and especially the shearing pressure difficulty can increase day by day, opening adjusts gradually voluntarily; 3. because the single-blade all opened of last lower scissors, two cuttves are gnawed scissors each other easily when beta pruning; 4. the steel wire diameter of making the goat's horn spring is thicker, and elastic force is excessive, holds effort.

Summary of the invention

The utility model mainly is to solve difficult can the adjustment of shear openings that existing branch is cut existence, and it is high that shear efficiency is owed, difficult can direct shearing than the branch of bore slightly, economy such as owes at technical problem.

In order to solve the problems of the technologies described above, on the basis of existing technology, the utility model mainly can be achieved by following technical proposals: described scissors hook and handle Joint, link arm is articulated near the scissors billhook sword base portion, and, be hinged with the scissor blade that rearward end offers sliding tray and some retaining depressions respectively by being located at another other hinge of this pin joint; And be provided with the reinforcement galianconism below pin joint, the other end of described reinforcement galianconism links to each other by the sliding tray of sliding pin with scissor blade handle body; Described scissors hook is provided with the base body of phase configuration with it, is provided with the spring flat filament therebetween, and the cutting edge phase configuration of the top and scissor blade of described base body, and its end is provided with tip-tilted convex body.

Described scissors hook system adopts steel to make in a zigzag, and is hinged with the scissor blade and the link arm of steel respectively; And the sliding pin inboard at the reinforcement galianconism of being located at link arm be provided with stop pin, and described some retaining depressions is arranged at the inboard of scissor blade sliding tray.

Described scissors hook, link arm by overcoat, are hinged with the handle of being made by elliptical tube respectively; And be provided with bumper block in the inboard of described overcoat.

The front end of described scissors hook is arcuation, and base body is fixed into one by being arranged at its other hold-down screw, and is provided with the side convex body of corresponding arcuation on the top of base body, and described spring flat filament is arranged in therebetween the deep-slotted chip breaker.

Be provided with reduction torsion spring in the hinge of described scissor blade and link arm, the one end is fixed against on the housing pin, and the other end is located on the stop pin, and described reinforcement galianconism system is made of three steel discs that are set parallel to each other.

Therefore, the utlity model has rational in infrastructure, intensity is higher, the cutting edge opening is big and can progressively reduce opening along with the incision of blade voluntarily, increase the efficient of shearing branch, make it in same incision, branch that will be thicker and even weedtree are cut off for directly neat mouthful easily, overcome existing fruit cut in, preceding end shear is little, advancing slip when cutting the fat tree branch (telling branch) phenomenon, shearing force increases exponentially, rapid operation, comfortable, and manufacture craft is simple, reduce labor intensity characteristics such as enhance productivity greatly.

Description of drawings

Accompanying drawing 1 is a kind of integrally-built schematic diagram of the present utility model;

Accompanying drawing 2 is enlarged diagrams of a kind of end construction of the present utility model;

Accompanying drawing 3 is main TV structure schematic diagrames of a kind of base body in the utility model;

Accompanying drawing 4 is left views of a kind of base body in the utility model.

Embodiment

Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.

Embodiment: described scissors hook 2 is to adopt steel to make in a zigzag, and is hinged with the scissor blade 7 and the link arm 18 of steel respectively; Reinforcement galianconism 8 is articulated on the link arm 18 by rotating shaft 19, and is provided with stop pin 23 in sliding pin 9 inboards of being located at reinforcement galianconism 8 other ends, and described some retaining depressions 6 are arranged at the inboard of scissor blade 7 sliding trays 5.For fear of the possible damage of scissors cutting edge, described scissors hook 2 is provided with the base body 20 of phase configuration with it, is provided with spring flat filament 21 therebetween, and the cutting edge phase configuration of the upper surface of described base body 20 and scissor blade, and its end is provided with tip-tilted convex body 22.Above-mentioned base body 20 adopts aluminum castings to make, and by being arranged in the side convex body and the deep-slotted chip breaker between the scissors hook 2 of its other hold-down screw 26 with it and scissor blade 7 tops, is provided with spring flat filament 21.Described scissors hook 2 and handle 15 Joints, link arm 18 is articulated near the scissors hook 2 blade base portions, and is hinged with scissor blade 7 by being located at these pin joint 4 another other hinges 16.Be provided with reduction torsion spring 28 in the hinge of described scissor blade 7 and link arm 18, the one end is fixed against on the housing pin 29, and the other end is located on the stop pin 23, and described reinforcement galianconism 8 is to be made of three steel discs that are set parallel to each other.

At ordinary times, the heavy duty shears opening is closure state, and is fastened by the latch hook 30 that is arranged on the link arm 18.During use, remove down latch hook 30, with the hands open handle 15 (handle body 32 is located at its end), scissor blade 7 and be located at 20 bigger openings of formation of base body on the scissors hook 2.Can place in it this moment than the poll for the treatment of of thick diameter, then, with the hands inwardly press handle body 32, lift on the handle drive scissors hook 2 by a side, the handle of opposite side directly presses the rearward end of scissor blade 7 respectively by link arm 18, reinforcement galianconism 8, make it realize effectively shearing, and be located at " return and tell " that the tip-tilted convex body 22 in its end can stop branch.Open handle 15 again, reinforcement galianconism 8 moves the stop pin 23 on it in automatically under the effect of reduction torsion spring 28, be locked on the comparatively inboard retaining depression 6, press handle again, so 2-3 time, can cut off the various branches that comprise weedtree by neat mouth, laborsaving and efficient is higher.

Claims

1. heavy duty shears, comprise two handles and the scissor blade that is attached thereto respectively and scissors hook, it is characterized in that described scissors hook (2) and handle (15) Joint, link arm is articulated near scissors hook (2) the blade base portion, and, be hinged with the scissor blade (7) that rearward end offers sliding tray (5) and some retaining depressions (6) respectively by being located at other another hinge (16) of this pin joint (4); And be provided with reinforcement galianconism (8) in the below of pin joint (4), the other end of described reinforcement galianconism (8) links to each other with the sliding tray (5) of scissor blade handle body by sliding pin (9); Described scissors hook (2) is provided with the base body of phase configuration (20) with it, is provided with spring flat filament (21) therebetween, and the cutting edge phase configuration of the upper surface of described base body (20) and scissor blade, and its end is provided with tip-tilted convex body (22).

2. heavy duty shears according to claim 1 is characterized in that described scissors hook (2) is to adopt steel to make in a zigzag, and is hinged with the scissor blade (7) and the link arm (18) of steel respectively; And sliding pin (9) inboard at the reinforcement galianconism (8) of being located at link arm (18) is provided with stop pin (23), and described some retaining depressions (6) are arranged at the inboard of scissor blade (7) sliding tray (5).

3. heavy duty shears according to claim 1 and 2 is characterized in that described scissors hook (2), link arm (18) respectively by overcoat (24), are hinged with the handle of being made by elliptical tube (15); And be provided with bumper block (25) in the inboard of described overcoat (24).

4. heavy duty shears according to claim 1 and 2, the front end that it is characterized in that described scissors hook (2) is arcuation, and base body (20) is fixed into one by being arranged at its other hold-down screw (26), and being provided with the side convex body of corresponding arcuation on the top of base body (20), described spring flat filament (21) is arranged in therebetween the deep-slotted chip breaker.

5. heavy duty shears according to claim 3, the front end that it is characterized in that described scissors hook (2) is arcuation, and base body (20) is fixed into one by being arranged at its other hold-down screw (26), and being provided with the side convex body of corresponding arcuation on the top of base body (20), described spring flat filament (21) is arranged in therebetween the deep-slotted chip breaker.

6. heavy duty shears according to claim 1 and 2, it is characterized in that in the hinge of described scissor blade (7) and link arm (18), being provided with reduction torsion spring (28), the one end is fixed against on the housing pin (29), the other end is located on the stop pin (23), and described reinforcement galianconism (8) is to be made of three steel discs that are set parallel to each other.

7. heavy duty shears according to claim 3, it is characterized in that in the hinge of described scissor blade (7) and link arm (18), being provided with reduction torsion spring (28), the one end is fixed against on the housing pin (29), the other end is located on the stop pin (23), and described reinforcement galianconism (8) is to be made of three steel discs that are set parallel to each other.

8. heavy duty shears according to claim 4, it is characterized in that in the hinge of described scissor blade (7) and link arm (18), being provided with reduction torsion spring (28), the one end is fixed against on the housing pin (29), the other end is located on the stop pin (23), and described reinforcement galianconism (8) is to be made of three steel discs that are set parallel to each other.