CN2441297Y - Pull rod type high branch shears - Google Patents

Abstract

The utility model relates to a pair of pull rod type high branch shears which belong to a pair of special shears for pruning high braches of trees. The utility model which comprises a support rod and a pair of shears fixed on the support rod is characterized in that the support rod is a telescopic pull rod type multi-joint hollow rod, and the pair of shears are arranged on the top end of the first joint of the support rod; a thread wheel provided with a thread swinging handle is fixed on the tail joint of the support rod through a thread wheel bracket, and driving threads on the thread wheel are controlled by a driving handle to pass through the inside of the support rod and to be connect with a cutting handle of the pair of the shears at the top end of the first joint of the support rod. When the utility model is used, the support rod is pulled out to extend long. With the advantages of simple operation and labor saving, the utility model enhances the height for pruning. When the utility model is not in use, the pair of shears are folded, and the support rod retracts. The utility model is convenient for storage, carrying and maintenance.

Description

The rod-pulling type averruncator

The utility model belongs to the Special scissors of pruning trees branches of tall trees, is specifically related to a kind of rod-pulling type averruncator.

In known technology, gardener, orchard orchard worker prune difficult problem for solving the trees branches of tall trees, once adopt scissors is fixed on the rod, are used for the pruning of trees branches of tall trees as averruncator with rope control scissors handle.This kind averruncator not only outward appearance is ugly, and operation inconvenience.Because operating personnel can only take bar proficiency stay cord just can cut off branch on the other hand, labour intensity is big, inefficiency, and the rod of fixed blade can not fold, so length is very limited, generally is no more than 4 meters, and the branch that therefore is higher than 5 meters just can't be pruned.Because its rod can't fold, not flexible again, it is all very inconvenient to carry and take care of in addition.

The purpose of this utility model provides a kind of rod-pulling type averruncator, makes it and can fold, and flexible is again used, carries and take care of all very convenient.

The technical solution of the utility model comprises support bar and is fixed on scissors on the support bar.Be characterized in that its support bar is a telescopic lever formula more piece hollow stem, scissors is installed in the top of the first joint of support bar, the line wheel that band shakes bundle of lines is fixed on the line wheel support on the minor details of support bar, the line wheel go up the drive line that twines by transmission hand control from the support bar endoporus pass and be installed in the first cutting knife handle that saves the scissors on top of support bar and be connected.During use, operating personnel pull out each joint of support bar and put in place, handle the transmission handle, can prune the trees branches of tall trees.For the scissors on this averruncator can be folded, be convenient to collection, carry, the scissors on this averruncator to cut the first fixture that saves the top of frame and support bar hinged, be provided with fixedly extension spring cutting the frame rear portion.When the utility model needs folding storage, each joint of support bar is regained, taken the fixedly extension spring of cutting the frame rear portion again, scissors is changeed 90 ° counterclockwise around the pin joint of cutting frame get final product.

The utility model is compared reasonable in design, handsome in appearance with existing averruncator.Support bar is a more piece pull bar stretching structure, and support bar is recoverable to shortening when not using, and each joint can be pulled out elongation during use, and is simple to operate, laborsaving, improved the height of beta pruning, and is convenient to collect, carries, takes care of.

Below in conjunction with accompanying drawing embodiment of the present utility model is done with explanation:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the rearview of Fig. 1 (scissors cut frame and cutting knife is an open configuration);

Fig. 3 is that the utility model is folding at scissors, the structural representation of support bar retracted state.

Among Fig. 1, each joint of support bar of the present utility model stretches and to put in place, scissors is for closing the state of disturbing.Fig. 2 puts in place for each joint of support bar of the present utility model stretches, scissors opens and is duty.Among Fig. 1 to Fig. 3, support bar of the present utility model adopts telescopic lever formula (with the fishing rod structure) more piece hollow stem structure, during use the bar stretching is put in place, is convenient to collection, keeping when not using, carries.Be fixed on the first top of saving of support bar by cutting frame 1 and the cutting knife 2 hinged scissors of forming by fixture 3.Can folding storage when scissors is not used, fixture 3 is the cover cap of band hinged support, is fixed in the first joint of support bar top, scissors to cut frame 1 hinged with the hinged support of fixture 3, between rear portion of cutting frame 1 and fixture 3, mounted fixedly extension spring 13.On the top of support bar minor details, be provided with the groove 14 of fixed blade.11 for cutting frame steady pin when collection, and each joint of support bar is regained, and it is fixing to snap in groove 14 after scissors is folding.Line wheel 17 of the present utility model is to clamp on the most not joint that is fixed on support bar with line wheel support 16, and 4 is the fixedly card of line wheel support.The drive line 5 that twines on the line wheel 17 is passed on the cutting knife handle of the scissors that is hung on the first joint of support bar top by hanging wire hole 21 to the support bar endoporus of transmission handle 8 controls from transmission handle 8, and 10 is the drive line deadhead.Transmission handle 8 is positioned at handgrip 18 places of line wheel support, is provided with spring 9 between its two, holds handgrip 18 and transmission handle 8, just can control scissor action.15 resilient pegs for the control line wheel.19 is the scissors extension spring, is used to cut frame 1 and is connected with resetting of cutting knife 2 duties.20 hanging wire grooves for the line wheel.22 are line wheel crank.For making drive line 5 of the present utility model have enough intensity and transmission smooth and easy, drive line 5 can adopt the structure of bicycle brake cotton rope, i.e. the drive line 5 outer pillars 6 that are with.Drive line 5 adopts seizing wire.7 is the conduit saddle that constitutes one with line wheel support 16, is used to hold the pillar 6 of drive line 5 overcoats; 12 is plain cushion, is positioned on the fixture 3 of scissors, and effect is with conduit saddle 7; Adopt this structure, handle transmission handle 8, when scissors is worked, just can make drive line 5 upper and lower plaies, the pillar 6 of overcoat keeps motionless.The utility model can be made support bar 2 joints, 4 joints, 6 joints etc. according to actual needs, and every pole can select 1-1.5 rice long.Make the averruncator of 1 * 6 (rice) or 1.5 * 4 (rice) specification as support bar, just can cut 7 meters high fruit tree branches of tall trees, very convenient and practical, not simultaneously, only be 1 meter or 1.5 meters long after putting away sports equipment, keeping or carry all very convenient.

When the utility model did not use, it is recoverable that each saves support bar, and scissors is collapsible, promptly takes extension spring 19, drive line 5 that hangs on the cutting knife 2 and the extension spring 13 of fixedly cutting frame 1, and scissors is folding; Each joint of support bar is regained in the thickest not pole of indentation, with extension spring 19 scissors is fixed in the groove 14 of fixed blade on support bar minor details top; Take and hang on the line wheel 17 hanging over drive line 5 on the transmission handle 8, shake line wheel crank 22 then and drive line 5 and pillar 6 are entangled in promptly to put away sports equipment on the line wheel 17 together finish.

When using the utility model work, at first each joint of support bar is stretched and put in place, drive line 5 is pulled to the operating position and is hung on the cutting knife 2 of scissors from line wheel 17 in company with pillar 6, it is fixing to cut frame 1 with extension spring 13, simultaneously the extension spring on the cutting knife 2 19 is hung on the knife rest 1, the drive line 5 that will hang at last on the line wheel 17 hangs on the transmission handle 8, just can carry out cut operator.

Claims (3)

1, a kind of rod-pulling type averruncator, comprise support bar and be fixed on scissors on the support bar, it is characterized in that its support bar is a telescopic lever formula more piece hollow stem, scissors is installed in the top of the first joint of support bar, the line wheel (17) that band shakes bundle of lines (22) is fixed on line wheel support (16) on the minor details of support bar, the line wheel go up the drive line (5) that twines by transmission handle (8) control from the support bar endoporus pass and be installed in the first cutting knife handle that saves the scissors on top of support bar and be connected.

2, rod-pulling type averruncator according to claim 1 is characterized in that the fixture (3) of cutting the first joint of frame (1) and support bar top of described scissors is hinged, is provided with fixedly extension spring (13) cutting frame (1) rear portion.

3, rod-pulling type averruncator according to claim 1 and 2 is characterized in that the outer pillar (6) that is with of drive line (5).

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