Long-handle pruning shears for garden tree maintenance

By designing a long-handled pruning shear with a top-cutting mechanism and guiding components, the problem of difficulty in pruning at heights with existing pruning shears has been solved, achieving efficient and labor-saving tree pruning results.

CN223798838UActive Publication Date: 2026-01-16济宁市兖州区市政园林服务中心
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520402827.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-01-16
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

Existing long-handled pruning shears are difficult to use effectively when pruning branches of tall trees, and the pruning range is insufficient.

Method used

A long-handled pruning shears with a top-cutting mechanism was designed. By rotating the fixed and movable blade holders, the pruning range is expanded through the force transmission path of the extended handle and the traction rope. The ease of operation is improved through the guide component and the wear-resistant nylon rope.

Benefits of technology

It enables convenient pruning of branches at high locations, with labor-saving operation and smooth force transmission path, improving the practicality and safety of pruning.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223798838U_ABST
    Figure CN223798838U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of garden cutting tools, in particular to a pair of long-handle pruning shears for garden tree maintenance, which comprises a long-handle sleeve rod, a sliding rod is sleeved on the inner side of the long-handle sleeve rod in a sliding manner, and a top cutting mechanism is arranged at the top of the long-handle sleeve rod; the top cutting mechanism comprises a fixed shaft seat, a fixed shaft is fixedly installed on the inner side of the fixed shaft seat, a movable tool apron and a fixed tool apron are installed on the fixed shaft, the movable tool apron is rotationally connected with the fixed shaft, the fixed tool apron is fixedly connected with the fixed shaft, and a lengthened tool holder is fixedly connected to the rear end of the movable tool apron. Blades are fixedly installed on the inner sides of the fixed tool apron and the movable tool apron, and a connecting piece is fixedly installed at the bottom of the rear end of the lengthened tool holder. The top cutting mechanism is arranged, the traction rope is used as an indirect transmission system, during cutting, the cutting work can be completed only by pulling the sliding rod downwards, operation is convenient, and the top cutting mechanism can obtain larger cutting height by increasing the length of a long handle sleeve rod.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of garden pruning tool, especially to a long handle pruning shears for garden tree maintenance. BACKGROUND

[0002] Garden trees refer to trees planted and applied in gardens, green spaces, courtyards, scenic areas and other environments, which have ornamental value, ecological function and landscape effect, and can provide people with comfortable environment and visual enjoyment.

[0003] Referring to the utility model patent for a long handle pruning shears for cherry trees, including right handle, left handle, cutting blade, holding blade, force piece, connecting piece and setting on the scissors body press spray mechanism, force piece one end through the second pin and holding blade and left handle hinged, its other end through the first pin and cutting blade middle part hinged, holding blade is equipped with the sliding slot, and its lower end is connected with the right handle, connecting piece one end through the third pin and cutting blade lower end hinged, its other end through the fourth pin and right handle upper end hinged, press spray mechanism includes reagent pot, setting on the right handle upper portion press pump, sliding installation press pump pump body front end press rod and press pump pump body rear end suction tube, press rod front end is equipped with the liquid jet pipe head, is equipped with the nozzle on liquid jet pipe head, and the outlet of nozzle faces cutting blade and holding blade blade edge surface.

[0004] The pruning range of the long handle pruning shears in the above-mentioned patent is not greatly improved, and it is still difficult to complete the pruning work when pruning the branches of high trees, so we propose a long handle pruning shears for garden tree maintenance to fully improve the pruning effect of the pruning shears. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a long handle pruning shears for garden tree maintenance.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A long handle pruning shears for garden tree maintenance, including long handle sleeve rod, the inside of the long handle sleeve rod is sleeved with a sliding rod, and the top of the long handle sleeve rod is provided with a top cutting mechanism; the top cutting mechanism includes a fixed shaft seat, the fixed shaft seat is fixedly installed with a fixed shaft inside, the fixed shaft is installed with a movable knife seat and a fixed knife seat, the movable knife seat is rotatably connected with the fixed shaft, the fixed knife seat is fixedly connected with the fixed shaft, the movable knife seat is fixedly connected with a lengthened knife handle at the rear end, the fixed knife seat and the movable knife seat are fixedly installed with a blade inside, the lengthened knife handle is fixedly installed with a connecting piece at the bottom of the rear end, and the connecting piece is fixedly connected with a traction rope between the top end of the sliding rod.

[0008] Further, the fixed shaft seat is fixedly installed on the upper end of the long handle sleeve rod, and the upper end of the long handle sleeve rod is provided with a sealing structure.

[0009] Further, the long handle sleeve rod is provided with a guide assembly on the side wall, the guide assembly includes a wire drum, the wire drum is fixedly installed on the side wall of the long handle sleeve rod, and the inside end of the wire drum is communicated with the inner wall of the long handle sleeve rod.

[0010] Further, the wire drum is fixedly connected with a pull rod between the bottom and the side wall of the long handle sleeve rod.

[0011] Further, a rotating groove is formed on the upper side of the port of the wire drum, and a guide wheel is rotatably installed in the rotating groove.

[0012] Further, a rubber sleeve is sleeved on the outer wall of the long handle sleeve rod, and anti-skid lines are uniformly arranged on the rubber sleeve.

[0013] Further, a pull handle is fixedly installed at the bottom end of the sliding rod, and the traction rope is made of wear-resistant nylon material.

[0014] Further, an inclined rod is fixedly installed on the side of the lengthened knife handle, and a return spring is fixedly connected between the inclined rod and the upper side of the fixed knife seat.

[0015] Compared with the related art, the long handle pruning shears for garden tree maintenance has the following beneficial effects:

[0016] The utility model discloses a long handle pruning shears for garden tree maintenance, through setting up top cutting mechanism, in top cutting mechanism, cutting part is equipped with fixed tool rest and movable tool rest, movable tool rest can rotate, and then drive the blade in the inside of movable tool rest and the blade in the inside of fixed tool rest to carry out cutting work, the rear end of movable tool rest is fixedly connected with lengthened handle, and the power arm when strengthening movable tool rest is acted, and then make more labor saving when cutting, when cutting, only need to pull down slide bar, utilize slide bar to drive traction rope to pull down lengthened handle and rotate downward, and then make the movable tool rest of the other end drive blade to rotate upward, complete cutting work, and the whole transmission path is indirectly transmitted through traction rope, can expand the length of long handle sleeve rod traction rope when producing, the top cutting mechanism of top can still normally carry out pruning work, and its pruning transmission system is still convenient to operate, and the practicality is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A three-dimensional structure schematic diagram of long handle pruning shears for garden tree maintenance is provided for the utility model;

[0018] Figure 2 A full three-dimensional exploded structure schematic diagram of long handle pruning shears for garden tree maintenance is provided for the utility model;

[0019] Figure 3 It is the three-dimensional structure schematic diagram of guide assembly;

[0020] Figure 4 It is the three-dimensional structure schematic diagram of top shearing assembly Figure 1 ;

[0021] Figure 5 It is the three-dimensional structure schematic diagram of top shearing assembly Figure 2 .

[0022] In the drawing: 1, long handle sleeve rod; 2, slide bar; 3, pull handle; 4, rubber sleeve; 5, guide assembly; 51, guide wire cylinder; 52, pull rod; 53, rotation groove; 54, guide wheel; 6, traction rope; 7, top cutting mechanism; 71, fixed shaft seat; 72, fixed shaft; 73, movable tool rest; 74, fixed tool rest; 75, blade; 76, lengthened handle; 77, connecting piece; 78, inclined rod; 79, return spring. DETAILED DESCRIPTION

[0023] The utility model will be further described below in connection with the drawings and embodiment.

[0024] Refer to Figures 1-5A long handle pruning shears for garden tree maintenance: including long handle sleeve rod 1, long handle sleeve rod 1 inside slide sleeve rod 2, long handle sleeve rod 1 top is provided with top cutting mechanism 7; top cutting mechanism 7 includes fixed shaft seat 71, fixed shaft seat 71 inside fixedly installed with fixed shaft 72, fixed shaft 72 is installed with movable knife seat 73 and fixed knife seat 74, movable knife seat 73 is rotatably connected with fixed shaft 72, fixed knife seat 74 is fixedly connected with fixed shaft 72, movable knife seat 73 rear end fixedly connected with lengthened knife handle 76, fixed knife seat 74 and movable knife seat 73 inside are fixedly installed with blade 75, lengthened knife handle 76 rear end bottom is fixedly installed with connecting piece 77, connecting piece 77 and slide rod 2 top end are fixedly connected with traction rope 6.

[0025] In the mode, the lengthened knife handle 76 side is fixedly installed with the inclined rod 78, and the inclined rod 78 is fixedly connected with the upper side of the fixed knife seat 74.

[0026] Through the above-mentioned mode, the back pull provided by the reset spring 79 can promote the fixed knife seat 74 and the movable knife seat 73 to automatically open, and the automatic opening action is completed.

[0027] In the mode, the fixed shaft seat 71 is fixedly installed on the upper end of the long handle sleeve rod 1, and the upper end of the long handle sleeve rod 1 is provided with a sealing.

[0028] Through the above-mentioned mode, the long handle sleeve rod 1 provides a bottom support for the fixed shaft seat 71.

[0029] In the mode, the long handle sleeve rod 1 side wall is provided with a guide assembly 5, and the guide assembly 5 includes a wire cylinder 51, which is fixedly installed on the long handle sleeve rod 1 side wall and the wire cylinder 51 inside end is communicated with the long handle sleeve rod 1 inner wall.

[0030] Through the above-mentioned mode, the wire cylinder 51 guides the traction rope 6, which is a key guiding action on the force transmission path of the traction rope 6.

[0031] In the mode, the wire cylinder 51 bottom is fixedly connected with the long handle sleeve rod 1 side wall.

[0032] Through the above-mentioned mode, the setting of the pull rod 52 improves the structural strength of the wire cylinder 51, so that the wire cylinder 51 provides stable guiding action for the traction rope 6.

[0033] In the mode, the wire cylinder 51 port upper side is provided with a rotating groove 53, and the rotating groove 53 is rotatably installed with a guide wheel 54.

[0034] Through the above-mentioned mode, the setting of the guide wheel 54 guides the traction rope 6 to turn, which avoids excessive wear of the traction rope 6 when turning.

[0035] In the mode, the long handle sleeve rod 1 is sleeved with a rubber sleeve 4, and the rubber sleeve 4 is uniformly provided with anti-skid lines.

[0036] Through the above-mentioned mode, the setting of the rubber sleeve 4 improves the holding feeling in daily use, and the setting of the anti-skid lines further improves the anti-skid performance of the rubber sleeve 4.

[0037] In the mode, the bottom end of the sliding rod 2 is fixedly installed with a pull handle 3, and the traction rope 6 is made of wear-resistant nylon material.

[0038] Through the above-mentioned mode, the setting of the traction rope 6 made of wear-resistant nylon material makes the traction rope 6 have good corrosion resistance and wear resistance, and also has good aging resistance, and in addition, the nylon rope is convenient to replace when damaged.

[0039] The working principle of the long handle pruning shears for garden tree maintenance provided by the utility model is as follows:

[0040] In use, the rubber sleeve 4 is held, the lower end of the long handle sleeve rod 1 is held, the opening between the two blades 75 at the upper end is aligned with the cutting part, the pull handle 3 is pulled subsequently, the sliding rod 2 is driven to move downwards, the upper end of the traction rope 6 is lowered to the bottom of the lengthened knife handle 76, the movable knife seat 73 at the other end is driven to rotate upwards, the two blades 75 are repositioned to the open state under the action of the reset spring 79, and the subsequent cutting work is completed, the reset sliding rod 2 is pushed upwards, the movable knife seat 73 is driven to rotate downwards under the action of the reset spring 79, the two blades 75 are repositioned to the open state, and the next cutting work is waited, the whole cutting work operation is simple, convenient and suitable, and can cut the higher branches.

[0041] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A long handled pruning shear for the maintenance of garden trees, characterised in that, Including long handle sleeve rod (1), the inside of long handle sleeve rod (1) is sleeved with slide rod (2), and the top of long handle sleeve rod (1) is provided with top cutting mechanism (7); The top cutting mechanism (7) includes a fixed shaft seat (71), a fixed shaft (72) is fixedly installed in the inside of the fixed shaft seat (71), a movable knife seat (73) and a fixed knife seat (74) are installed on the fixed shaft (72), the movable knife seat (73) is rotatably connected with the fixed shaft (72), the fixed knife seat (74) is fixedly connected with the fixed shaft (72), the rear end of the movable knife seat (73) is fixedly connected with an extended knife handle (76), the inside of the fixed knife seat (74) and the movable knife seat (73) is fixedly installed with a blade (75), the rear end bottom of the extended knife handle (76) is fixedly installed with a connecting piece (77), and the connecting piece (77) and the top end of the slide rod (2) are fixedly connected with a traction rope (6).

2. The long handle pruning shears for garden tree maintenance according to claim 1, wherein, The fixed shaft seat (71) is fixedly installed on the upper end of the long handle sleeve rod (1), and the upper end of the long handle sleeve rod (1) is provided with a sealing.

3. The long handle pruning shears for garden tree maintenance according to claim 1, wherein, The long handle sleeve rod (1) is provided with a guide assembly (5) on the side wall, the guide assembly (5) includes a wire cylinder (51), the wire cylinder (51) is fixedly installed on the side wall of the long handle sleeve rod (1), and the inside end of the wire cylinder (51) is communicated with the inner wall of the long handle sleeve rod (1).

4. The long handled pruning shears for garden tree maintenance according to claim 3, wherein, The bottom of the wire cylinder (51) and the side wall of the long handle sleeve rod (1) are fixedly connected with a pull rod (52).

5. The long handled pruning shears for garden tree maintenance according to claim 3, wherein, The upper side of the port of the wire cylinder (51) is provided with a rotating groove (53), and the rotating groove (53) is rotatably installed with a guide wheel (54).

6. The long handled pruner for garden tree maintenance according to claim 1, wherein The outer wall of the long handle sleeve rod (1) is sleeved with a rubber sleeve (4), and the rubber sleeve (4) is uniformly provided with anti-skid lines.

7. The long handled pruning shears for garden tree maintenance according to claim 1, wherein, The bottom end of the slide rod (2) is fixedly installed with a pull handle (3), and the traction rope (6) is made of wear-resistant nylon material.

8. The long handled pruner for garden tree maintenance according to claim 1, wherein The side of the extended knife handle (76) is fixedly installed with an inclined rod (78), and the upper side of the inclined rod (78) and the fixed knife seat (74) are fixedly connected with a return spring (79).

Citation Information

Patent Citations

  • A long handle pruning scissors for flowering cherry

    CN207869777U