CN221812713U

CN221812713U - Pruning shears

Info

Publication number: CN221812713U
Application number: CN202323508068.4U
Authority: CN
Inventors: 毛有为; 戴文圣; 喻卫武; 芦云祥
Original assignee: Zhejiang A&F University ZAFU
Current assignee: Zhejiang A&F University ZAFU
Priority date: 2023-12-21
Filing date: 2023-12-21
Publication date: 2024-10-11
Anticipated expiration: 2033-12-21

Abstract

The utility model relates to the technical field of scissors and discloses pruning shears which comprise a first cutter bar and a second cutter bar, wherein a first cutter head is arranged at the front end of the first cutter bar, a second cutter head is arranged at the front end of the second cutter bar, the first cutter bar and the second cutter bar are hinged and fixed through a pin shaft, the first cutter head and the second cutter head are staggered and attached to form a shearing edge, a second accommodating groove is formed in the rear end of the second cutter bar, and a blade is hinged in the second accommodating groove. According to the pruning shear, the blade which can be hidden is arranged in the cutter bar, when the pruning of the adventitious bud, the annual branch and the fine branch is carried out, the blade can be utilized to carry out the pruning of the adventitious bud, the annual branch and the fine branch, and compared with the shearing operation of the front end scissors of the pruning shear, the blade pruning knife edge section is more complete, the damage to phloem and xylem of the branch is smaller, and the operation is faster, so that the quality and the efficiency of the whole pruning operation can be improved.

Description

Pruning shears

Technical Field

The utility model relates to the technical field of scissors, in particular to pruning scissors.

Background

The scissors are double-edge tools for cutting sheet-shaped or linear objects such as cloth, paper, steel plates, ropes, round steel and the like, and two edges are staggered and can be opened and closed. The pruning shears are also called pruning shears, are gardening tools, and are mainly used for pruning, pruning plant diseases and insect pests and branches and keeping the beautiful tree body.

The national patent network discloses a pruning shear with an authorization number of CN207940048U, and the pruning shear blunt shear heads and the edge shear heads are staggered to form a shear structure, so that pruning operation can be performed by pinching a blunt knife handle and an edge knife handle when the pruning shear is used. The shear force of the shear structure is large, the shear structure is suitable for medium or thicker branches, and when the fine branches need to be trimmed, the shear structure can be used for trimming, but the shear is required once for each trimming, so that the whole trimming efficiency is not high enough.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the pruning shear provided by the utility model has the advantages of convenience in use, capability of flexibly pruning branches with different thicknesses, convenience in pruning operation and capability of solving the problems in the background art.

(II) technical scheme

In order to solve the problems, the utility model provides the following technical scheme:

The utility model provides a pruning shear, includes cutter arbor one and cutter arbor two, cutter head one is installed to cutter arbor one front end, and cutter head two is installed to cutter arbor two front ends, and articulated fixed through the round pin axle between cutter arbor one and the cutter arbor two, and the crisscross mutually of cutter head one and cutter head two forms the shearing edge of a knife, is equipped with the accommodation groove two near the rear end on the cutter arbor two, and articulated installs the blade in the accommodation groove two, and the cover has the tool holder one and the tool holder two that plastics were made on cutter arbor one and the cutter arbor two respectively.

Preferably, the notch of the second accommodating groove faces the first cutter bar, the rubber plug is arranged in the second accommodating groove, and the blade is propped against the rubber plug to be limited and fixed.

Preferably, a saw blade is further arranged on one side, away from the knife edge, of the blade.

Preferably, the first cutter bar is also provided with a second accommodating groove, and a hook rod is hinged in the second accommodating groove of the first cutter bar.

Preferably, the two ends of the knife handle are hinged with a retaining ring fastened to one end of the knife handle, the opposite surfaces of the knife bar I and the knife bar II are provided with convex columns, and the convex columns of the knife bar I and the knife bar II are sleeved with springs.

(III) beneficial effects

Compared with the prior art, the utility model provides the pruning shears, which have the following beneficial effects:

1. according to the pruning shear, the blade which can be hidden is arranged in the cutter bar, when the pruning of the adventitious bud, the annual branch and the fine branch is carried out, the blade can be utilized to carry out the pruning of the adventitious bud, the annual branch and the fine branch, and compared with the shearing operation of the front end scissors of the pruning shear, the blade pruning knife edge section is more complete, the damage to phloem and xylem of the branch is smaller, and the operation is faster, so that the quality and the efficiency of the whole pruning operation can be improved.

2. According to the pruning shear, the saw blade is additionally arranged on the blade and can be used as a saw, so that functions are further enriched, and the use flexibility is improved.

3. According to the pruning shears, the hook rod is additionally arranged, the cutter rod is used as the extension body of the arm, so that the long-distance branches can be further conveniently held, the long-distance branches can be pruned, and the use convenience is improved.

Drawings

FIG. 1 is a diagram of the benefits of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a view showing the construction of the installation of the blade according to the present utility model;

Fig. 4 is a view showing the developed state of the hook rod and the blade according to the present utility model.

In the figure: 1. a cutter bar I; 11. a first tool bit; 12. a knife handle I; 13. the first accommodating groove is formed; 2. a cutter bar II; 21. a second cutter head; 22. a second cutter handle; 23. the accommodating groove II; 24. a notch; 3. a pin shaft; 4. a blade; 41. saw blade; 5. a hook rod; 51. fixing the column; 6. a rubber stopper; 7. a clasp ring; 8. a convex column; 9. and (3) a spring.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-4, a pruning shear comprises a cutter bar 1 and a cutter bar 2, wherein a cutter head 11 is integrally formed at the front end of the cutter bar 1, a cutter head 21 is integrally formed at the front end of the cutter bar 2, the cutter bar 1 and the cutter bar 2 are hinged and fixed by a pin shaft 3 near the front end, and the cutter head 11 and the cutter head 21 are staggered and attached to form a shearing edge;

The second cutter bar 2 is provided with a second containing groove 23 near the rear end, the notch of the second containing groove 23 is arranged back to the first cutter bar 1, the second containing groove 23 is internally provided with a blade 4 in a hinged manner, the second containing groove 23 is internally provided with a rubber plug 6 which is tightly attached to the inner wall in an adhesive manner, and the blade 4 is propped against the rubber plug 6 and is limited and fixed by virtue of friction resistance.

When the cutting tool is used, the cutter bar I1 and the cutter bar II 2 are pinched to be close to each other, the cutter head I11 and the cutter head II 21 can perform cutting action, the cutter edge is propped against the branches of the tree to perform pruning cutting operation, the cutting of the cutter edge is suitable for thicker branches, the cutter blade 4 can be opened for thin branches, the thin branches are cut off by the cutter blade 4, and compared with the cutting action of the cutter edge, the cutting operation of the cutter blade 4 on the thin branches is faster, so that the tree pruning speed can be improved.

In some embodiments, the blade 4 is further provided with a saw blade 41 on the side facing away from the edge.

The saw blade 41 can be used for sawing off branches, and the scissors are suitable for pruning branches with diameters exceeding the accommodating range of the scissors edges, so that various scissors do not need to be carried, and the use flexibility is improved.

In some embodiments, a first accommodating groove 13 is formed on one side, away from the second cutter bar 2, of the first cutter bar 1, a hook rod 5 is hinged in the first accommodating groove 13 of the first cutter bar 1, and a protruding fixing column 51 is installed on one end, away from the hinge, of the hook rod 5 in a hot melt mode.

For some far branches, the arm can not be effectively touched, force can be applied from the position of the fixing column 51, the arm is pulled outwards, the hook rod 5 is opened to form a vertical angle with the cutter rod by 1, then the scissors are reversely held, the branches are hooked by the hook rod 5, so that the hand is convenient to grasp, the hand is further trimmed, and the use convenience is improved.

In some embodiments, the first cutter bar 1 and the second cutter bar 2 are respectively sleeved with a first cutter bar 12 and a second cutter bar 22 which are made of plastics, and a notch 24 is arranged on the second cutter bar 22 corresponding to the end position of the blade 4.

The knife handle is convenient for holding scissors by the palm, the comfort is improved, the notch 24 is convenient for opening the knife blade 4, and the knife blade 4 can be opened by pinching the knife blade from the notch 24.

In some embodiments, the end of the handle 22 far away from the cutter head 21 is hinged with a retaining ring 7 fastened to the end of the handle 12, the opposite sides of the cutter bar 1 and the cutter bar 2 are provided with convex columns 8 in a soaking and melting manner, the convex columns 8 of the cutter bar 1 and the cutter bar 2 are sleeved with springs 9, and the springs 9 are compressed when the cutter bar 1 and the cutter bar 2 are folded.

When not using, can the high buckle 7 detain to handle one 12 positions, make and form spacing fixedly between handle one 12 and the handle two 22, the handle can't open and drive the blade and open to promote its safety in utilization, avoid the blade fish tail of opening, at the same time when shearing at every turn, spring 9 elasticity resets and promotes cutter arbor one 1 and cutter arbor two 2 and keep away from, makes the blade open, need not to manually stir the handle and opens it, has convenient for operate.

Claims

1. The utility model provides a pruning shear, includes cutter arbor one (1) and cutter arbor two (2), its characterized in that: the front end of the cutter bar I (1) is provided with a cutter head I (11), the front end of the cutter bar II (2) is provided with a cutter head II (21), the cutter bar I (1) and the cutter bar II (2) are hinged and fixed through a pin shaft (3), the cutter head I (11) and the cutter head II (21) are staggered and attached to form a shearing cutter edge, the rear end of the cutter bar II (2) is provided with a containing groove II (23), a cutter blade (4) is hinged in the containing groove II (23), and the cutter bar I (1) and the cutter bar II (2) are respectively sleeved with a cutter handle I (12) and a cutter handle II (22) which are made of plastics.

2. A pruning shear according to claim 1, wherein: the notch of the second accommodating groove (23) is arranged back to the first cutter bar (1), the rubber plug (6) is arranged in the second accommodating groove (23), and the cutter blade (4) is abutted to the rubber plug (6) to be limited and fixed.

3. A pruning shear according to claim 2, wherein: a saw blade (41) is further arranged on one side, away from the knife edge, of the blade (4).

4. A pruning shear according to claim 1, wherein: the cutter bar I (1) is provided with a containing groove I (13), and a hook rod (5) is hinged in the containing groove I (13) of the cutter bar I (1).

5. A pruning shear according to claim 1, wherein: the end part of the knife handle II (22) is hinged with a retaining ring (7) fastened to the end part of the knife handle I (12), the opposite surfaces of the knife bar I (1) and the knife bar II (2) are provided with a convex column (8), and the convex columns (8) of the knife bar I (1) and the knife bar II (2) are sleeved with springs (9).