CN220965691U - Hook knife scissors for trimming tender strips of fruit trees - Google Patents

Abstract

The utility model relates to a bush-hook scissors for trimming tender strips of fruit trees, which comprises: the eagle mouth bush cutter comprises an eagle mouth bush cutter body, a rotating driving connecting rod, a bamboo connecting tube and a swimming control handle, wherein a half arc cutting edge is arranged on the inner side of the eagle mouth bush cutter, a flat cutting edge is arranged on the back of the half arc cutting edge, a hook body is arranged on one side of the eagle mouth bush cutter, the rotating cutter is rotationally arranged on the hook body, the driving cutter body is arranged on the lower portion of the eagle mouth bush cutter and drives the rotating cutter to rotate through the rotating driving connecting rod, the bamboo connecting tube is arranged on the lower end of the driving cutter body in threaded connection, a columnar battery is arranged in the bamboo connecting tube, the swimming control handle is arranged on the outer portion of the bamboo connecting tube, and a clamping hoop and a controller are respectively arranged at the upper end of the swimming control handle. The semi-arc cutting edge can be used as a sickle for removing tender strips, and meanwhile, the gap between the flat cutting edge and the rotary knife can also be used as a shearing port for shearing off the tender strips, so that the operation is convenient, the use dexterity is excellent, and the durability of the olecranon hook knife is excellent.

Description

Hook knife scissors for trimming tender strips of fruit trees

Technical Field

The utility model belongs to the technical field of fruit tree shears, and particularly relates to a bush-hook shear for trimming tender strips of fruit trees.

Background

Fruit tree planting is common in northern areas of China, such as pear trees, apple trees and the like. In northern areas, the fruit trees are in a dormant stage in winter, so that the branches can be trimmed in a large range, the fruits yielded in the next year can be well illuminated, and the sweetness of the fruits is improved. In summer season, the fruit tree needs to be sprayed with pesticide regularly to well protect the growth of the fruit, a plurality of newly-grown vertical tender branches grow on the trunk of the fruit tree while the fruit grows, the vertical tender branches absorb large nutrients, the rapid growth of the fruit is not facilitated, the leaves growing around the vertical tender branches occupy the space inside the fruit tree, the permeability inside the fruit tree is deteriorated, ventilation and illumination degree are deteriorated, and especially when the pesticide is sprayed to the fruit tree, the sprayed pesticide can not be uniformly sprayed around the fruit due to shielding of the vertical tender branches, and places on the fruit, where the pesticide is not sprayed, are still easily affected by diseases and insect pests, so that the tender branches growing on the inner branches of the fruit tree in summer need to be maintained and trimmed regularly. The vertical tender strips newly grown in summer are generally chopsticks-like or fingers-like thick and thin when the fruit tree is to be trimmed.

The prior art discloses pruning shears, the publication number is: CN108848999a, the cutting opening area formed between the first blade and the second blade of the cutting head part is wider, the process that the cutting opening part is placed at the root of the tender branch when the new vertical tender branch on the fruit tree support rod in summer is cut by using the scissors is more troublesome, the thick scissors are clumsy to use, the dexterity is worse, and the work efficiency of cutting the tender branch growing vertically is lower; if the structure of the cutting edge formed by the first blade and the second blade is an X-shaped narrow strip cutting edge of the traditional cutting pattern, but the structure of the cutting edge of the thinner and narrower cutting edge is too thin, the situation that the cutting head of the cutting edge is not tightly closed easily occurs after the cutting edge is used for a long time, the service life of the cutting edge is shorter, and the durability is poorer.

Disclosure of utility model

The invention provides a bush-hook scissors for trimming tender strips of fruit trees, which aims to solve the technical problems of poor using dexterity and poor durability of a cutting opening formed by a slender cutting edge of the traditional pruning scissors.

The technical scheme adopted for solving the technical problems is as follows: a bush-hook scissors for trimming tender strips of fruit trees, comprising:

The eagle-mouth hook knife is characterized in that a half arc cutting edge is arranged on the inner side of the eagle-mouth hook knife, a flat cutting edge is arranged on the back of the half arc cutting edge, a hook body is arranged on one side of the eagle-mouth hook knife, a rotary knife is rotatably arranged on the hook body, and the rotary knife is arranged on one side of the flat cutting edge for close-fitting connection;

the cutter driving body is arranged at the lower part of the olecranon hook cutter and is connected with the lower part of the olecranon hook cutter, a sliding block cavity and a motor cavity are respectively arranged in the cutter driving body, a slideway, a driving block, a driving screw rod and a bearing body are sequentially arranged in the sliding block cavity, and a belt wheel, a protection belt, a driving motor and an outer cover are sequentially arranged in the motor cavity;

the two ends of the rotating driving connecting rod are respectively in rotating connection with the rotating knife and the driving block;

the bamboo connecting cylinder is arranged at the lower end of the driving cutter body and is in threaded connection, and a columnar battery is arranged in the bamboo connecting cylinder;

The movable control handle is arranged outside the bamboo connecting tube, the upper end of the movable control handle is provided with a clamping hoop, and the inner side of the movable control handle is provided with a controller.

Further, the upper end of the olecranon hook is in a curved sickle shape, a shearing opening shape is formed between the rotary knife and the flat blade at the rear side of the olecranon hook, and the driving knife body drives the shearing opening between the rotary knife and the flat blade to open or close through the rotary driving connecting rod.

Further, the lower end of the hook body of the olecranon hook is provided with an expanding seat, and the olecranon hook is in threaded fixed connection with the driving knife body through the expanding seat.

Further, the driving block in the driving cutter body slides in a reciprocating manner in the slideway through the driving screw, the driving screw is arranged in the middle of the slideway, two ends of the driving screw are connected with the driving cutter body through the bearing body, and the driving screw is in threaded transmission fit connection with the driving block.

Further, the driving screw rod in the driving cutter body is in belt transmission connection with the driving motor through the belt wheel and the protection belt.

Furthermore, the number of the bamboo connecting cylinders is multiple, two adjacent bamboo connecting cylinders are connected in a head-tail threaded mode, and the columnar batteries are connected in parallel.

Furthermore, the outer surface of the bamboo connecting cylinder is a embossed convex pitted surface, the swimming control handle is in clearance fit connection with the bamboo connecting cylinder, and the swimming control handle is locked with the bamboo connecting cylinder through the clamping hoop.

Furthermore, an adjusting key is arranged on the clampband, and the clampband is clamped or opened by rotating the tightness of the threads of the adjusting key.

Further, the controller at the inner side of the travel control handle is electrically connected with the columnar battery and the driving motor respectively.

The beneficial effects of the utility model are as follows: the olecranon hook knife with the half arc cutting edge on one surface can be used as a sickle type knife to remove tender strips, meanwhile, the flat cutting edge on the other surface of the olecranon hook knife can be used as a cutting opening to cut off the tender strips, the whole olecranon hook knife is in a bar shape and convenient to use, the olecranon hook knife is extremely good in dexterity when used as the front end, meanwhile, the olecranon hook knife is high in structural strength, and the cutting opening is good in closure after long-time application, and extremely good in durability. The tool device has simple structure, can be operated by holding the travel control handle by a user, can be operated by pressing a button of the controller on the travel control handle by one key, and is extremely convenient to use.

Drawings

FIG. 1 is a schematic diagram of the front appearance of the present utility model;

FIG. 2 is a schematic diagram of the front view of the present utility model;

FIG. 3 is a partially enlarged schematic illustration of the structure of FIG. 2 in accordance with the present utility model;

FIG. 4 is another partially enlarged schematic illustration of the structure of FIG. 2 in accordance with the present utility model;

FIG. 5 is a schematic view of the rear elevational view of the present utility model;

FIG. 6 is a schematic diagram of an embodiment of the present utility model;

in the figure: the novel multifunctional cutter comprises a1 olecranon hook knife, a 11 half arc knife edge, a 12 flat knife, a 13 hook body, a 131 expanding seat, a 14 rotating knife, a 15 shearing opening, a2 driving knife body, a 21 sliding block cavity, a 211 sliding way, a 212 driving block, a 213 driving screw, a 214 bearing body, a 22 motor cavity, a 221 belt wheel, a 222 protective belt, a 223 driving motor, a 224 outer cover, a 3 driving connecting rod, a 4 bamboo connecting tube, a 5 cylindrical battery, a 51 damping buffer rubber sleeve, a 52 bottom plug, a6 free control handle, a 7 clamping hoop, a 71 adjusting key and an 8 controller.

Description of the embodiments

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and it should be understood that the preferred embodiments described herein are only for illustrating and explaining the present utility model, not for limiting the present utility model, and obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged in a variety of different configurations. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model. In the embodiments, the components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 6, a bush-hook scissors for trimming tender strips of fruit trees can comprise a olecranon bush-hook 1, a driving cutter body 2, a rotary driving connecting rod 3, a bamboo connecting tube 4, a cylindrical battery 5, a game control handle 6, a clamping hoop 7 and a controller 8.

Hereinafter, a partial structure and principle of the above-described components according to the present bush-hook cutter will be described in detail.

As an example, as shown in fig. 1, 2, 3, 4, 5 and 6, the olecranon bush-hook 1 is in the shape of a flat sickle head, the head part of the olecranon bush-hook 1 is in a half-circle ring shape, the lower side of the olecranon bush-hook 1 is provided with a hook body 13, and the hook body 13 and the olecranon bush-hook 1 are manufactured by adopting an integral forging process and are subjected to metal heat treatment tempering; the inner side of the front end of the olecranon bush-hook knife 1 is ground into a half arc cutting edge 11, the rear end of the half arc cutting edge 11 is provided with a flat cutting edge 12, a rotary knife 14 is rotationally connected to the hook body 13, and the rotary knife 14 is arranged on one side of the flat cutting edge 12 and contacts with the flat cutting edge 12 in a close-fitting manner; the half arc blade 11 at the front end of the olecranon hook knife 1 enables the olecranon hook knife 1 to have a sickle-type hook cutting function, and the flat blade 12 at the rear end of the olecranon hook knife 1 and the rotary knife 14 form a shape of a scissor cut 15. The cutting opening 15 can be driven by the driving cutter body 2 and the rotating driving connecting rod 3, so that the cutting opening 15 is closed and opened. When the cutting machine is used, the semi-arc cutting edge 11 of the olecranon hook knife 1 can hook the root of a newly grown tender strip on a fruit tree supporting rod, the tender strip can be cut off in a sickle mode by pulling the olecranon hook knife 1, the cutting opening 15 can be closed to cut off the tender strip through rotation of the rotary knife 14, when an operator stands on the ground, the operator can cut off the branches needing pruning in a reachable range of the fruit tree in a sickle mode, the operator can cut off the tender strip in a scissor mode, the convenience of use is good, the operator can be effectively guaranteed to climb on the tree to cut off the tender strip or cut off various choices for use, the cutter head part of the olecranon hook knife 1 is in a semi-circle ring shape, the body is small, the operator can accurately hook on a cylindrical branch, the positioning performance when cutting the tender strip is excellent, the operator is ensured to be very flexible, the operator can quickly and accurately find the branches to cut off the branches in a hook mode when the operator is on the tree, and the positioning performance of the branches is very good when the operator is cut off.

Referring to fig. 1, 2 and 4, a base 131 is provided at the lower end of a hook body 13 of the olecranon hook 1, the olecranon hook 1 is in threaded connection with the upper end of the driving knife body 2 through the base 131, the lower end of the driving knife body 2 is in threaded connection with a plurality of bamboo connecting barrels 4, two adjacent bamboo connecting barrels 4 are in threaded connection with each other at the head and the tail, the bamboo connecting barrels 4 and the driving knife body 2 are in a cylindrical shape or a square shape, the outer surface of the bamboo connecting barrels 4 is a convex pitted surface with a pressed pattern, so that the olecranon hook 1 can be used for operation by holding the bamboo connecting barrels 4, and the node number of the bamboo connecting barrels 4 can be installed according to the length of actual needs.

In the embodiment, the bamboo connecting tube 4 can be further provided with a free control handle 6, the free control handle 6 made of rubber materials is in clearance fit connection with the bamboo connecting tube 4, the free control handle 6 can be locked between the clamping hoop 7 and the bamboo connecting tube 4, the clamping hoop 7 is provided with an adjusting key 71, the tightness of threads of the adjusting key 71 is rotated to enable the clamping hoop 7 to clamp or open, the free control handle 6 is locked on the bamboo connecting tube 4 by clamping the clamping hoop 7, the bamboo connecting tube 4 can be made of steel tubes or high-strength carbon fiber tube materials, the bamboo connecting tube 4 is prevented from deforming during clamping of the clamping hoop 7, meanwhile, the bamboo connecting tube 4 can effectively support a sickle-shaped hook operation of a sickle-mouth hook knife 1, the free control handle 6 is more convenient for an operator to hold by hand, the free control handle 6 can be adjusted at the position on the bamboo connecting tube 4, and the operator can more conveniently hold the position on the bamboo connecting tube 4 by hand by the operator.

As an example, as shown in fig. 1, 2, 3, 5 and 6, a columnar battery 5 may be disposed inside the bamboo connecting tube 4, and a space between the columnar battery 5 and the inner hole of the bamboo connecting tube 4 may be filled with a damping and buffering rubber sleeve 51 to be straightened, so as to prevent the columnar battery 5 from shaking; the last section of the cylindrical battery 5 of the bamboo connecting cylinder 4 can be limited and locked through a bottom plug 52. The plurality of columnar batteries 5 may be connected in parallel, a controller 8 is disposed at the inner side of the travel control handle 6, and the controller 8 is electrically connected with the columnar batteries 5 and the driving motor 223 of the driving cutter body 2 respectively. The button of the finger pressing controller 8 can be closed or opened by driving the driving motor 223 to open or close the cutting opening 15 between the rotary cutter 14 and the flat blade 12, so as to realize the cutting of the tender strips by the cutting opening 15.

In an embodiment, the driving cutter body 2 drives the rotary cutter 14 to rotate through the transmission of the rotary driving connecting rod 3. A slide block cavity 21 and a motor cavity 22 are respectively arranged in the cutter driving body 2, and a slide rail 211, a driving block 212, a driving screw 213 and a bearing body 214 are sequentially arranged in the slide block cavity 21; the slide way 211 can be a slide way with a T-shaped section, the length direction of the slide way 211 is parallel to the length direction of the bamboo connecting cylinder 4, and the driving block 212 is arranged in the slide way 211 for sliding fit; the driving screw 213 is disposed in the middle of the slideway 211, two ends of the driving screw 213 are rotatably connected with the driving cutter body 2 through bearing bodies 214, the driving screw 213 passes through the driving block 212 to be in driving connection with the driving block in a threaded form, and the driving block 212 slides in the slideway 211 in a reciprocating manner through the driving screw 213. The motor cavity 22 is sequentially provided with a belt wheel 221, a protection belt 222, a driving motor 223 and an outer cover 224; the driving motor 223 is bolted in the motor cavity 22, and the outside is covered by the outer cover 224; the belt wheels 221 are respectively arranged on the output shaft of the driving motor 223 and the shaft head at the tail end of the lower side of the driving screw 213, the two belt wheels 221 are connected through the protection belt 222 in a belt transmission manner, the belt transmission connection of the protection belt 222 can play a role in protecting the driving motor 223, the phenomenon of slipping during belt transmission can prevent the phenomenon of the driving motor 223 from being blocked, and the phenomenon of damage to the driving motor 223 when the driving screw 213 does not rotate is avoided.

As shown in fig. 5 and 6, the rotating and driving link 3 is a steel link, and two ends of the rotating and driving link 3 are respectively connected with the rotating knife 14 and the driving block 212 in a connecting rod type. The driving motor 223 drives the driving screw 213 to rotate, the driving screw 213 drives the driving block 212 to move upwards along the slideway 211, and the driving block 212 moving upwards drives the rotary cutter 14 to rotate upwards through the rotary driving connecting rod 3, so as to realize the closing of the shearing opening 15; after the cutting opening 15 is closed, the driving motor 223 is reversely driven to rotate the rotary cutter 14, so that the cutting opening 15 is opened again. When the device is used, the controller 8 button on the travel control handle 6 is pressed by a finger, so that the shearing opening 15 can be closed and opened after being closed, the operation is extremely convenient when tender strips are sheared, and the shearing efficiency is effectively improved. The half arc blade 11 and the rotary cutter 14 are similar to the shape of a parrot mouth, the forward-convex bent half arc blade 11 can ensure that the shearing opening 15 can be well closed with the rotary cutter 14 after long-time shearing operation, the structural shape of the shearing opening 15 is good in strength, the service life of the shearing opening 15 is long, and the durability is excellent.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that changes and substitutions are within the scope of the present utility model. Therefore, the protection scope of the utility model should be mainly that of the claims.

Claims (9)

1. A bush-hook scissors for trimming tender strips of fruit trees, comprising:

The eagle-mouth hook knife is characterized in that a half arc cutting edge is arranged on the inner side of the eagle-mouth hook knife, a flat cutting edge is arranged on the back of the half arc cutting edge, a hook body is arranged on one side of the eagle-mouth hook knife, a rotary knife is rotatably arranged on the hook body, and the rotary knife is arranged on one side of the flat cutting edge for close-fitting connection;

the cutter driving body is arranged at the lower part of the olecranon hook cutter and is connected with the lower part of the olecranon hook cutter, a sliding block cavity and a motor cavity are respectively arranged in the cutter driving body, a slideway, a driving block, a driving screw rod and a bearing body are sequentially arranged in the sliding block cavity, and a belt wheel, a protection belt, a driving motor and an outer cover are sequentially arranged in the motor cavity;

the two ends of the rotating driving connecting rod are respectively in rotating connection with the rotating knife and the driving block;

the bamboo connecting cylinder is arranged at the lower end of the driving cutter body and is in threaded connection, and a columnar battery is arranged in the bamboo connecting cylinder;

The movable control handle is arranged outside the bamboo connecting tube, the upper end of the movable control handle is provided with a clamping hoop, and the inner side of the movable control handle is provided with a controller.

2. A bush-hook scissors for trimming tender fruit tree strips according to claim 1, wherein: the upper end of the olecranon hook knife is in a curved sickle shape, a shearing opening shape is formed between the rotary knife and the flat blade at the rear side of the olecranon hook knife, and the knife driving body drives the shearing opening between the rotary knife and the flat blade to open or close through the rotary driving connecting rod.

3. A bush-hook scissors for trimming tender fruit tree strips according to claim 2, wherein: the eagle-mouth bush cutter is characterized in that an expanding seat is arranged at the lower end of the hook body of the eagle-mouth bush cutter, and the eagle-mouth bush cutter is fixedly connected with the cutter driving body in a threaded mode through the expanding seat.

4. A bush-hook scissors for trimming tender fruit tree strips according to claim 2, wherein: the driving block in the driving cutter body slides in a reciprocating manner in the slideway through a driving screw, the driving screw is arranged in the middle of the slideway, two ends of the driving screw are connected with the driving cutter body through bearing bodies, and the driving screw is in threaded transmission fit connection with the driving block.

5. A bush-hook scissors for trimming tender fruit tree strips according to claim 2, wherein: the driving screw rod in the driving cutter body is in belt transmission connection with the driving motor through the belt wheel and the protection belt.

6. A bush-hook scissors for trimming tender fruit tree strips according to claim 1, wherein: the number of the bamboo connecting cylinders is multiple, two adjacent bamboo connecting cylinders are connected in a head-tail threaded mode, and the columnar batteries are connected in parallel.

7. A bush-hook scissors for trimming tender fruit tree strips according to claim 6, wherein: the outer surface of the bamboo connecting cylinder is a embossed convex pitted surface, the swimming control handle is in clearance fit connection with the bamboo connecting cylinder, and the swimming control handle is locked with the bamboo connecting cylinder through the clamping hoop.

8. A bush-hook scissors for trimming tender fruit tree strips according to claim 7, wherein: an adjusting key is arranged on the clamping hoop, and the clamping hoop is clamped or opened by rotating the tightness of the threads of the adjusting key.

9. A bush-hook scissors for trimming tender fruit tree strips according to claim 7, wherein: and the controller at the inner side of the travel control handle is respectively and electrically connected with the columnar battery and the driving motor.