CN215602056U

CN215602056U - Scissors blade and multifunctional scissors for pruning and grafting

Info

Publication number: CN215602056U
Application number: CN202121503240.5U
Authority: CN
Inventors: 韩士春
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-01-25
Anticipated expiration: 2031-07-01

Abstract

The utility model provides a scissor blade and multifunctional scissors for pruning and grafting, relates to the technical field of garden pruning, and aims to solve the problems that the scissor blade in the prior art is not enough in hardness and too thick, the blade angle is large and blunt due to too long blade edge of the scissor, the use is laborious and the scissors cannot cut branches; and because the blade is fixed, the blade is abraded by 3-4mm, the scissors are scrapped, the technical problem of short service life is solved. The device comprises a blade body, wherein a connecting structure is arranged on the blade body and is used for connecting a knife handle; one end of the blade body is provided with a cutting edge, the cutting edge is arranged to be an inclined plane from the end part to the blade body, and the length of the cutting edge is not more than 40 mm; the hardness of the blade body is set to be not less than 63 in Rockwell hardness, and the thickness of the blade body is not more than 2 mm.

Description

Scissors blade and multifunctional scissors for pruning and grafting

Technical Field

The utility model relates to the technical field of garden pruning, in particular to a scissor blade and a multifunctional pruning and grafting scissor.

Background

When the fruit trees are managed, reasonably trimming the branches of the fruit trees is very important, on one hand, the fruit trees can be guaranteed to fully absorb nutrients, the fruit setting rate of the fruit trees and the development of new branches can be effectively improved, on the other hand, the crown structure can be adjusted, and the effects of attractiveness and improvement of fruit quality are achieved.

At present, garden scissors are a common tool for fruit growers to trim fruit tree branches, and the applicant finds that the existing garden scissors at least have the following technical problems:

1. the blade of the scissors is not hard enough and is too thick, and the blade angle is large and blunt due to the overlong blade of the scissors, so that the scissors are labor-consuming to use and can not cut branches;

2. as the blades are fixed and the cutting edges are abraded by 3-4mm, the scissors can be scrapped and can not meet the use requirement any more, and the service life is short.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a scissor blade and multifunctional scissors for pruning and grafting, which aim to solve the problems that the scissor blade in the prior art is not enough in hardness and too thick, and the blade edge angle is large and blunt due to too long blade edge of the scissor, so that the use is laborious and the scissors cannot cut branches; and as the blades are fixed, the blades are worn by 3-4mm, and the scissors are scrapped, thus leading to the technical problem of short service life. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the utility model are described in detail in the following.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a scissor blade, which comprises a blade body, wherein:

the blade body is provided with a connecting structure for connecting the knife handle;

a cutting edge is arranged at one end of the blade body, the cutting edge is arranged to be an inclined plane from the end part to the blade body, and the length of the cutting edge is not more than 40 mm;

the hardness of the blade body is set to be not less than 63 in rockwell hardness, and the thickness of the blade body is not more than 2 mm.

Preferably, the connecting structure is a linear clamping groove extending into the blade body along the other end of the blade body.

Preferably, the blade body is made of high-speed steel, and the hardness of the blade body is set to be 63-65 Rockwell hardness.

Preferably, the ends of the blade are arranged in an arc-shaped configuration.

A multifunctional scissors for pruning and grafting comprises the scissors blade.

Preferably, the tool further comprises a first tool shank and a second tool shank, wherein:

the first knife handle is connected with a first knife body, and the first knife body comprises a cutting part;

the second knife handle is connected with a knife holder, the knife holder is connected with the scissors blade through a connecting piece, and the extension of the scissors blade is changed by adjusting different positions of the connecting piece connected to the connecting structure;

the tool apron is connected with the first tool body through a pivot.

Preferably, the tool apron is provided with a connecting hole, and the connecting piece is a bolt.

Preferably, both ends of blade holder are equallyd divide and are provided with first backstop structure and second backstop structure respectively, wherein:

the first stop structure is configured to stop the first blade body, and the second stop structure is configured to stop the scissors blade.

Preferably, the tool further comprises an elastic connecting structure, and two ends of the elastic connecting structure are respectively connected to the first tool handle and the second tool handle.

Preferably, a stop block is further arranged on the first tool handle.

The utility model provides a scissor blade and multifunctional pruning and grafting scissors which comprise a scissor blade body, wherein one end of the scissor blade body is provided with a cutting edge, and the length of the cutting edge is not more than 40 mm. The cutting edge is shorter, so that more labor can be saved when the garden shears are used on the shears, the labor intensity of a user is reduced, and the problem that the existing garden shears are labor-consuming when used due to the fact that the shearing part is far away from the middle pivot because the shearing edge is too long is solved; through setting up connection structure on the blade body for connect the handle of a knife, the different positions on the connectable connection structure during the use outwards remove the blade body according to the use needs, in order to compensate the wearing and tearing volume of cutting edge, thereby improve the life of scissors. Set up the hardness of blade body and be not less than 63 for rockwell hardness, thickness is not more than 2 millimeters, can make the sword contained angle reach minimum, in order to improve the sharpness of blade, it is too thick to have avoided current shear blade, the cutting edge angle is big and blunt, can not cut the problem of branch during the use, this blade hardness is enough, and ultra-thin, not only the pruning is sharp but also can regard as the grafting-tool to use, realize the multi-functionalization of blade, the blade is supplyed in the accessible of cutting edge wearing and tearing, long service life, for the fruit grower grafting, the pruning work brings very big convenience.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of one embodiment of a scissors blade of the present invention;

FIG. 2 is a schematic rear view of the structure of FIG. 1;

FIG. 3 is a schematic structural diagram of an embodiment of the multifunctional scissors for pruning and grafting;

fig. 4 is a rear view of the structure of fig. 3.

In the figure: 1. a blade body; 10. a first handle; 11. a connecting structure; 12. a blade; 20. a second handle; 30. a connecting member; 40. an elastic connection structure; 50. a pivot; 101. a first blade; 102. a stopper; 1011. a blade part; 201. a tool apron; 2011. a first stop structure; 2012. and a second stop structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

The utility model provides a scissor blade, and fig. 1 is a schematic structural diagram of the embodiment, and as shown in fig. 1, the scissor blade comprises a blade body 1.

Specifically, fig. 2 is a rear view of the structure of fig. 1, and as shown in fig. 2, one end of the blade body 1 is provided with a cutting edge 12, and the length of the cutting edge 12 is not more than 40 mm. The cutting edge length of the existing garden scissors is mostly 50-60 mm, the pruning position is far away from the middle pivot due to the overlong cutting edge of the scissors, and the time consumption is more labor-consuming according to the lever principle.

The blade body 1 is provided with a connecting structure 11 for connecting a knife handle. Specifically, connection structure 11 sets up the style of calligraphy draw-in groove that extends to blade body 1 along the one end of the cutting edge 12 of keeping away from on blade body 1, and the style of calligraphy draw-in groove in this embodiment sets up to leading to the groove, and the bolt of being convenient for stretches out and connects fixed use behind the nut. During the use, through the cooperation of bolt and nut, be connected to the different positions in the draw-in groove, can outwards remove blade body 1 as required to remedy the wearing and tearing volume of cutting edge, thereby improve the life of scissors.

Hardness of the blade body 1 is set to be Rockwell Hardness (HRC) not less than 63, both sides of the blade body 1 are both planar structures by setting, and the cutting edge 12 is set to be an inclined plane from the end portion to the blade body. Present shear blade all adopts the tip grinding inclined plane at the cutting edge, and the sword contained angle that leads to sword contained angle, especially after wearing and tearing is great, because blade body 1 is thinner in this embodiment to the cutting edge tip does not have the grinding, and the sword contained angle that makes reaches minimum, and the blade is sharper.

The existing shear blade generally reaches 3 mm-4 mm, and branches cannot be cut when the existing shear blade is used due to the fact that the blade is too thick and the blade edge angle is large and blunt; in this embodiment, the hardness of the blade body 1 is set to be rockwell Hardness (HRC) not less than 63, and the thickness of the blade body 1 is not more than 2mm, and since the blade hardness is sufficient and is ultra-thin, the included angle of the edge can be minimized to improve the sharpness of the blade. Not only the pruning is sharp but also the grafting knife can be used, the multifunction of the blade is realized, and great convenience is brought to the grafting work of fruit growers.

As an alternative embodiment, the blade body 1 is made of high-speed steel, and the hardness of the blade body 1 is set to be Rockwell Hardness (HRC) 63-65. The high-speed steel has high hardness, high wear resistance and high heat resistance, is good in processing performance and strength and toughness matching, is the preferable material of the blade body 1, adopts the high-speed steel material with hardness set to Rockwell Hardness (HRC)63-65, optimizes the sharpness of the blade body, and solves the problem that the sharpness of the existing scissors blade, particularly the scissors blade of a tree shear, is not enough.

As an alternative embodiment, the end of the cutting edge 12 is provided with an arc-shaped structure, so as to be convenient for matching with pruning, and achieve the purposes of skid resistance, error-cutting prevention and cutting edge protection, and is particularly suitable for being used when relatively thick branches are pruned.

Fig. 3 is a schematic structural view of the present embodiment, and fig. 4 is a schematic structural view of a rear view of fig. 3, as shown in fig. 3 and 4, including the scissors blade.

Specifically, the branch pruning tool further comprises a first tool handle 10 and a second tool handle 20, wherein the first tool handle 10 is connected with a first tool body 101, the first tool body 101 comprises a blade 1011, and when the branch pruning tool is used, branches are pruned by matching the blade 1011 with the blade 12 of the blade body 1 through the lever principle. The first handle 10 is further provided with a stop 102 to prevent the hand from sliding forward during use, and in this embodiment, the stop 102 preferably has a semicircular cross section to provide a good stop function.

Connect blade holder 201 on the second handle of a knife 20, blade holder 201 passes through connecting piece 30 with the blade body 1 of scissors and is connected, is connected to different positions on connection structure 11 through adjusting connecting piece 30, changes the extension of scissors blade body 1, through the position of removing the scissors blade to compensate the wearing and tearing volume when the scissors blade uses, thereby prolong the life of this multi-functional scissors of pruning grafting.

At present, the abrasion loss of the used blade is generally 3-5 mm, and the scissors need to be purchased again after the blade is abraded, in the embodiment, the scissor blade is arranged to be movable, the abrasion loss of the scissor blade can reach 15 mm, therefore, the service life can be prolonged by more than five times, when the scissors are used, the abrasion loss can be supplemented by moving outwards at any time according to the abrasion degree of the cutting edge, and the abrasion loss does not occupy the width of a cutting opening too much, so that the service life is prolonged, a large amount of time, manpower and financial resources are saved, and the use requirement of pruning can be well met.

The tool apron 201 is connected with the first tool body 101 through the pivot 50, in the embodiment, the tool apron 201 is connected with the first tool body 101 through screws and arranged in a crossed mode, and by means of the lever principle, pruning is labor-saving, and the labor intensity of fruit growers in pruning is reduced.

As an optional embodiment, a connecting hole is formed in the tool holder 201, the connecting member 30 is a bolt, the bolt penetrates through the connecting hole and is connected into the linear clamping groove, the position of the bolt connected into the linear clamping groove is adjusted according to actual use requirements, and the bolt is fixedly connected through a nut, so that the tool holder can be used after being stably connected.

Through adjusting bolt and the fixed position shear mouth of fixed connection in the style of calligraphy draw-in groove, and can let the shear mouth open the maximize, it is worth noting that the shear mouth of this device opens the maximize, can set up according to actual user demand to the finger can reach second handle of a knife 20 and effective use is the limit. When the thick branches are pruned, the thick branch pruning openings can be close to the middle shaft screw as much as possible, the lever principle function is exerted, and the aim of labor saving pruning is fulfilled.

As an optional embodiment, two end portions of the tool holder 201 are respectively provided with a first stopping structure 2011 and a second stopping structure 2012, and in this embodiment, the first stopping structure 2011 and the second stopping structure 2012 both adopt "L" shaped stopping structures.

Wherein: the first stopping structure 2011 is an L-shaped fixing plate, and is connected to the tool holder 201 through a screw for stopping the first tool body 101. The second stopping structure 2012 is integrally formed with the tool holder 201, and extends upward along the end of the tool holder 201 to form an "L" shaped structure for stopping the scissors blade.

Specifically, the tool further comprises an elastic connecting structure 40, and two ends of the elastic connecting structure 40 are respectively connected to the first tool handle 10 and the second tool handle 20. The elastic connecting structure 40 is matched with the first stopping structure 2011 and the second stopping structure 2012 for use, so that the stability is better in use.

The application process of this embodiment is as follows:

taking the example of cutting off a 28 mm thick branch: firstly, the thick branches enter a pruning wound, then the bark layer is cut by using the shearing blades, and then the first knife handle 10 is pressed by the right palm, so that the first knife handle 10 rotates downwards by about 90 degrees along the pivot 50, and the cutting blades cut into the wood by about 10 mm. Meanwhile, the thick branches are close to the central axis by about 10 mm, and at the moment, the thick branches with the thickness of 28 mm completely enter the shearing opening. At this time, the branches are cut by the right hand and the branches are pressed by the left hand, so that the end faces of the branches are cracked, and the branches with the thickness of 28 mm can be easily cut.

Because the blade hardness is enough to it is ultra-thin, cooperation first handle of a knife 10, second handle of a knife 20, blade holder 201 and the use of first blade 101, not only the pruning is sharp but also can regard as the grafting-tool to use, realizes the multi-functionalization of blade, brings very big convenience for fruit grower's grafting work.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. A scissors blade comprising a blade body, wherein:

2. The scissors blade of claim 1, wherein: the connecting structure is a linear clamping groove which extends towards the inside of the blade body along the other end of the blade body.

3. The scissors blade of claim 1, wherein: the blade body is made of high-speed steel, and the hardness of the blade body is set to be 63-65 Rockwell hardness.

4. The scissors blade of claim 1, wherein: the end part of the blade is arranged to be of an arc-shaped structure.

5. The utility model provides a multi-functional scissors of pruning grafting which characterized in that: comprising the scissors blade of any one of claims 1 to 4.

6. The multifunctional pruning and grafting scissors of claim 5, further comprising a first handle and a second handle, wherein:

the tool apron is connected with the first tool body through a pivot.

7. The multifunctional scissors for pruning and grafting as claimed in claim 6, wherein the tool holder is provided with a connecting hole, and the connecting piece is a bolt.

8. The pruning and grafting multifunctional scissors according to claim 6 or 7, wherein: the both ends of blade holder are equallyd divide and are provided with first backstop structure and second backstop structure respectively, wherein:

9. The pruning and grafting multifunctional scissors according to claim 8, wherein: the tool comprises a first tool handle and a second tool handle, and is characterized by further comprising an elastic connection structure, wherein two ends of the elastic connection structure are respectively connected to the first tool handle and the second tool handle.

10. The multifunctional pruning and grafting scissors according to claim 6, wherein: and a stop block is also arranged on the first knife handle.