CN220606648U

CN220606648U - Multifunctional nursery stock grafting knife

Info

Publication number: CN220606648U
Application number: CN202322110124.2U
Authority: CN
Inventors: 童升洪; 赵秀芳; 王佳; 高伟勤
Original assignee: Lingnan Eco and Culture Tourism Co Ltd
Current assignee: Lingnan Eco and Culture Tourism Co Ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-03-19
Anticipated expiration: 2033-08-08

Abstract

The utility model provides a multifunctional seedling grafting knife which comprises an upper scissor rest, a lower scissor rest, an upper handle, a lower handle, an upper blade, a lower blade, a ring cutter and a cutting knife, wherein the upper scissor rest is arranged on the upper handle; the upper shear rest is integrally connected with the upper handle, the lower shear rest is integrally connected with the lower handle, and the upper handle is hinged with the lower handle through a hinge shaft; the upper shear rest is provided with a detachable upper blade, the lower shear rest is provided with a detachable lower blade, the lower blade is provided with a U-shaped groove extending from the cutting edge to the back direction, and the depth of the U-shaped groove gradually decreases from the cutting edge to the back direction; the tail part of the upper handle or the lower handle is hinged with a ring cutter and a cutter, and a storage groove for accommodating the ring cutter and the cutter is formed in the upper handle or the lower handle. The multifunctional seedling grafting knife is simple in structure, integrates the cutting knife, the ring cutting knife, the pruning shears and the grafting knife, and can be detached and replaced.

Description

Multifunctional nursery stock grafting knife

Technical Field

The utility model relates to the field of grafting tools, in particular to a multifunctional seedling grafting knife.

Background

Grafting is to join the branches, shoots or roots of one plant to the stems or roots of another plant so that the two parts joined together heal into a complete plant. The grafting is a common asexual propagation method, and researches show that the grafting improvement improves the stress resistance and adaptability of plants to diseases and insect pests, cold resistance, drought resistance, waterlogging resistance, salt and alkali resistance and the like, is beneficial to overcoming continuous cropping hazard, enlarges the absorption range and capacity of root systems, can even improve the quality, and has remarkable advantages.

Most of the multifunctional grafting knives existing or applied to the market at present have higher cost, more complex structure and operation, more nonlinear (V-shaped, omega-shaped, U-shaped and the like) cuts, inconvenient subsequent polishing, easily extruded and damaged scion branches, rough cuts and lower grafting survival rate. Therefore, the tools used by the prior art during grafting are mainly cutting scions, but the overall grafting efficiency is lower.

Disclosure of Invention

In view of the above, the utility model aims to provide a detachable and replaceable multifunctional seedling grafting knife which has a simple structure and integrates a cutting knife, a ring cutting knife, a branch shear and a grafting knife.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a multifunctional seedling grafting knife comprises an upper shear knife rest, a lower shear knife rest, an upper handle, a lower handle, an upper blade, a lower blade, a ring cutter and a cutting knife; the upper shear rest is integrally connected with the upper handle, the lower shear rest is integrally connected with the lower handle, and the upper handle is hinged with the lower handle through a hinge shaft; the upper shear rest is provided with a detachable upper blade, the lower shear rest is provided with a detachable lower blade, the lower blade is provided with a U-shaped groove extending from the cutting edge to the back direction, and the depth of the U-shaped groove gradually decreases from the cutting edge to the back direction; the tail part of the upper handle or the lower handle is hinged with a ring cutter and a cutter, and a storage groove for accommodating the ring cutter and the cutter is formed in the upper handle or the lower handle.

Further, the edges of the upper blade and the lower blade are provided with fixing holes, and the upper scissor frame and the lower scissor frame are provided with mounting holes corresponding to the fixing holes one by one.

Further, a torsion spring is arranged between the upper handle and the lower handle.

Further, a lock catch is hinged on the lower handle, a clamping hook is arranged on the lock catch, and a clamping part matched with the clamping hook for use is arranged on the upper handle.

Further, the upper handle and the lower handle are also provided with anti-slip soft rubber sleeves.

Further, the upper blade and the lower blade are both isosceles trapezoid structures, the cutting edge is a long bottom edge, and the back of the knife is a short bottom edge.

Further, the U-shaped groove is located in the middle of the lower blade.

Further, the upper scissor frame, the lower scissor frame, the upper handle and the lower handle are all made of aluminum alloy.

Further, the upper blade and the lower blade are made of SK5 steel.

Further, the material of cutting knife and ring cutting knife is SK5 steel.

Compared with the prior art, the multifunctional seedling grafting knife has the following advantages:

1. the upper blade and the lower blade of the multifunctional seedling grafting knife are detachable, so that the multifunctional seedling grafting knife is convenient to replace and polish, and the sharpness of the cutting edge is ensured.

2. The multifunctional seedling grafting cutter has the functions of a cutting knife, a ring cutting knife, a branch shear and a grafting knife, reduces the complexity and the encumbrance of carrying various tools in operation, and improves the working efficiency.

3. The multifunctional seedling grafting knife has the advantages of simple structure, low cost, sharp cutting edge and smooth stock cut, and has great effect of improving grafting survival rate.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is an open state diagram of a multifunctional seedling grafting knife according to an embodiment of the utility model;

FIG. 2 is a schematic view of a lower blade according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a receiving slot according to an embodiment of the utility model;

fig. 4 is a drawing showing the furled state of the multifunctional seedling grafting knife according to the embodiment of the utility model.

Reference numerals illustrate:

1. a shear knife rest is arranged; 2. a lower shear blade holder; 3. an upper handle; 4. a lower handle; 5. a hinge shaft; 6. an upper blade; 7. a lower blade; 8. a mounting hole; 9. a torsion spring; 10. a ring cutter; 11. a cutting knife; 12. a storage groove; 13. a U-shaped groove; 14. a fixing hole; 15. locking; 16. a hook; 17. and a clamping part.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model 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 utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, 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 utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

A multifunctional seedling grafting knife comprises an upper scissor rest 1, a lower scissor rest 2, an upper handle 3, a lower handle 4, an upper blade 6, a lower blade 7, a girdling knife 10 and a cutting knife 11; the upper shear rest is integrally connected with the upper handle, the lower shear rest is integrally connected with the lower handle, and the upper handle is hinged with the lower handle through a hinge shaft 5; the upper shear rest is provided with a detachable upper blade, the lower shear rest is provided with a detachable lower blade, the lower blade is provided with a U-shaped groove 13 extending from the cutting edge to the back direction, and the depth of the U-shaped groove gradually decreases from the cutting edge to the back direction; the tail part of the upper handle or the lower handle is hinged with a ring cutter and a cutter, and a storage groove 12 for accommodating the ring cutter and the cutter is arranged in the upper handle or the lower handle.

Illustratively, the edges of the upper blade and the lower blade are respectively provided with a fixing hole 14, and the upper scissor rest and the lower scissor rest are respectively provided with mounting holes 8 corresponding to the fixing holes one by one, so that the upper blade and the lower blade can be respectively fixed with the upper scissor rest and the lower scissor rest through screws.

Specifically, the upper scissors frame and the lower scissors frame can be U-shaped frames, and slots for inserting blades are formed in the U-shaped frames.

A torsion spring 9 is also illustratively provided between the upper and lower handles.

Specifically, the lower handle is hinged with a lock catch 15, the lock catch is provided with a clamping hook 16, the upper handle is provided with a clamping part 17 matched with the clamping hook, and specifically, the clamping part is in a groove shape matched with the clamping hook.

The upper handle and the lower handle are also provided with anti-slip soft rubber sleeves (not shown) for playing an anti-slip role.

Illustratively, the upper blade and the lower blade are isosceles trapezoid structures, the cutting edge is a long bottom edge, and the back is a short bottom edge.

Illustratively, the U-shaped slot is located in the middle of the lower blade.

Illustratively, the upper scissor frame, the lower scissor frame, the upper handle and the lower handle may all be made of aluminum alloy.

Illustratively, the upper and lower blades may be made of SK5 steel.

Illustratively, the material of the cutting blade and the ring blade may be SK5 steel.

The specific use mode is as follows:

(1) Pruning shear function

The right hand holds the upper handle and the lower handle of the utility model, the lock catch is rotated anticlockwise, the lock catch is opened, the upper handle and the lower handle can have elastic force which stretches outwards to the hand under the elastic action of the torsion spring, as shown in figure 1, the upper handle and the lower handle stretch to transversely stretch the branches to be trimmed between the upper blade and the lower blade and are positioned at the two sides of the U-shaped groove, and the branches can be sheared by applying pressure to the upper handle and the lower handle by hand. After trimming is completed, as shown in fig. 4, the upper and lower handles are closed, and the latch is rotated clockwise to be clamped.

(2) Grafting knife function

The first step: the upper blade and the lower blade are opened, the morphological lower end of the stock branch to be cut obliquely stretches into the bottom of the U-shaped groove and is fixed, pressure is applied to the upper handle and the lower handle by hands, and the upper and the lower shearing blades can cut the stock branch into an oblique smooth notch under the action of the pressure.

And a second step of: then the cut after being cut smoothly rotates 180 degrees, the cut is continuously extended into the bottom of the U-shaped groove to be fixed, and the stock branches are beveled again, so that a V-shaped-like smooth cut can be obtained;

and a third step of: finally, properly cutting off the branches of the stock according to the operation of the branch cutting function (1).

Fourth step: after trimming, the upper and lower handles are closed, and the lock catch is rotated clockwise to clamp.

(3) Cutting knife and ring cutting knife function

The first step: the lock catch is rotated anticlockwise, the upper handle and the lower handle are stretched out, the cutting knife or the cutting knife is pulled out from the containing groove at the inner side of the tail part of the upper handle and stretched out to the maximum extent, and at the moment, the cutting knife or the cutting knife and the upper handle are on the same straight line.

And a second step of: the upper handle and the lower handle are tightened, and the lock catch is locked back to the upper handle and the lower handle clockwise.

And a third step of: the upper handle and the lower handle are held reversely to cut or cut the branches needing cutting or cutting.

Fourth,: after cutting or girdling is completed, the lock catch is opened, the upper handle and the lower handle are opened, the cutting knife or the girdling knife is folded back to the storage groove, the upper handle and the lower handle are tightened again, and the lock catch is locked back.

(4) Dismounting and changing shears blade

The lock catch is opened, the upper blade and the lower blade are opened, the screws of the upper blade and the lower blade are loosened by using a screwdriver, and the upper blade and the lower blade can be detached for replacement and polishing; after replacement and polishing are completed, the corresponding installation is returned for normal use.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A multifunctional seedling grafting knife is characterized in that: comprises an upper shear blade holder, a lower shear blade holder, an upper handle, a lower handle, an upper blade, a lower blade, a ring cutter and a cutting blade; the upper shear rest is integrally connected with the upper handle, the lower shear rest is integrally connected with the lower handle, and the upper handle is hinged with the lower handle through a hinge shaft; the upper shear rest is provided with a detachable upper blade, the lower shear rest is provided with a detachable lower blade, the lower blade is provided with a U-shaped groove extending from the cutting edge to the back direction, and the depth of the U-shaped groove gradually decreases from the cutting edge to the back direction; the tail part of the upper handle or the lower handle is hinged with a ring cutter and a cutter, and a storage groove for accommodating the ring cutter and the cutter is formed in the upper handle or the lower handle.

2. The multi-functional nursery stock grafting knife according to claim 1, wherein: the edges of the upper blade and the lower blade are respectively provided with a fixed hole, and the upper scissor frame and the lower scissor frame are respectively provided with a mounting hole corresponding to the fixed holes one by one.

3. The multi-functional nursery stock grafting knife according to claim 1, wherein: a torsion spring is also arranged between the upper handle and the lower handle.

4. A multi-functional nursery stock grafting knife according to claim 3, characterized in that: the lower handle is hinged with a lock catch, the lock catch is provided with a clamping hook, and the upper handle is provided with a clamping part matched with the clamping hook.

5. The multi-functional nursery stock grafting knife according to claim 1, wherein: the upper handle and the lower handle are also provided with anti-slip soft rubber sleeves.

6. The multi-functional nursery stock grafting knife according to claim 1, wherein: the upper blade and the lower blade are both isosceles trapezoid structures, the cutting edge is a long bottom edge, and the back of the knife is a short bottom edge.

7. The multi-functional nursery stock grafting knife according to claim 1, wherein: the U-shaped groove is positioned in the middle of the lower blade.

8. The multi-functional nursery stock grafting knife according to claim 1, wherein: the upper scissor rest, the lower scissor rest, the upper handle and the lower handle are all made of aluminum alloy.

9. The multi-functional nursery stock grafting knife according to claim 1, wherein: the upper blade and the lower blade are made of SK5 steel.

10. The multi-functional nursery stock grafting knife according to claim 1, wherein: the material of the cutting knife and the ring cutting knife is SK5 steel.