CN210381964U

CN210381964U - Ring cutting knife

Info

Publication number: CN210381964U
Application number: CN201921231529.9U
Authority: CN
Inventors: 赵俊艳; 党海利; 李春焕
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-04-24
Anticipated expiration: 2029-07-31

Abstract

The utility model belongs to the technical field of agricultural clipper, a cutting ring is related to, including first supporting part and the handheld portion of fixing with first supporting part one end, first supporting part is the plastic type supporting part, sets up first cutting edge on the internal surface of first supporting part, and first supporting part is the snake bone structure, and the snake bone structure includes one section or multisection snake bone festival, and first cutting edge is the multisection cutting edge that matches with the snake bone structure, and first cutting edge cross section personally submits the back taper and reduces to handheld portion end along first supporting part in proper order; the girdling knife also comprises a second supporting part which is fixed on the handheld part in parallel with the first supporting part; the second supporting part is a plastic supporting part; the surface of the second supporting part is provided with a second cutting edge, the structure of the second cutting edge is the same as that of the first cutting edge, and the handheld part is provided with a protective sleeve. The utility model discloses the girdling is efficient, simple structure, and is nimble changeable, can satisfy the requirement to the girdling number of turns, girdling degree of depth and girdling branch thickness simultaneously.

Description

Ring cutting knife

Technical Field

The utility model belongs to the technical field of agricultural clipper, a cutting ring is related to.

Background

Girdling refers to a method of stripping barks with a certain width around the branches of plants, and is a planting measure for promoting flower bud differentiation and improving fruit quality. The girdling is to cut off the cortex of the trunk or the base of the main branch of the fruit tree (to the phloem without damaging the xylem) for one or more circles by using a sharp knife or a girdling knife. On one hand, the tree vigor of the fruit trees can be controlled, the fruit trees can not bloom or not bear fruits or less blossoms or less fruits due to over strong tree vigor, and the girdling/peeling treatment is reasonably carried out, so that the downward transportation of photosynthetic products in books can be effectively prevented, the nutrition level and the carbon-nitrogen ratio of branches above the cutting/peeling position are improved, and the flower bud differentiation rate is promoted; on the other hand, the flower and fruit retention and stabilization can be realized, the flowering amount, the fruiting amount and the fruit setting rate of the fruit trees are obviously improved, the occurrence of fruit cracking is reduced, and the yield and the fruit quality of the fruit trees in the next year are improved. A cut is made around 5 inches generally, lateral buds or lower buds are needed after the cut, medium-length twigs are obtained, and long buds grow in the second year if upper buds are obtained after the cut; when in girdling, the branches are required to be girdled for a half circle, and small leaves are not easy to form at the tip of the half circle; the branches are not cut circularly for one circle, small leaves are easy to form at the tips of the cut circles, and long strips are obtained. In winter, the girdling is not stopped by half a circle of branches, the girdling is frozen to be stopped by one circle of branches, and the best time of girdling is before germination. Therefore, the number of girdling turns, the girdling depth and the thickness of the branch during girdling all affect the girdling result.

SUMMERY OF THE UTILITY MODEL

In order to the above technical problem appear, the utility model provides an it is efficient to girdling, simple structure, and is nimble changeable, can satisfy the girdling sword that requires girdling number of turns, girdling degree of depth and girdling branch thickness simultaneously.

In order to realize the purpose, the utility model discloses a technical scheme be:

a ring cutter, its characterized in that: the girdling knife comprises a first supporting part and a handheld part fixed with one end of the first supporting part; the first supporting part is a plastic supporting part; a first blade is arranged on the inner surface of the first supporting part.

The first supporting part is of a snake bone structure, so that the shape of the first supporting part can be changed according to different requirements.

When the shape of the first supporting part is changed, the first blade is deformed to contact with the surface of a branch to be girdled.

The cross section of the first blade is in an inverted cone shape and is sequentially reduced towards the handheld end along the first supporting part; the taper angle of the first cutting edge is 1-5 degrees.

The taper angle of the first blade is 1-3 degrees.

The ring cutter also comprises a second supporting part connected with the handheld part; the structure of the second supporting part is completely the same as that of the first supporting part, and the second supporting part and the first supporting part are both snake bone structures.

The second supporting part and the first supporting part are parallel to each other, and can perform girdling simultaneously, so that two girdling turns can be generated by one girdling.

The hand-held part is a ring or a handle, so that a user can conveniently hold the ring to perform girdling.

The hand-held part is provided with a protective sleeve, so that a user can hold the hand-held part comfortably and can be prevented from being cut.

The utility model has the advantages that:

1. the utility model provides a girdling knife, which comprises a first supporting part and a handheld part fixed with one end of the first supporting part; the first supporting part is a plastic supporting part; the first supporting part is of a snake bone structure; a first blade is arranged on the inner surface of the first supporting part. The girdling knife has simple structure, is suitable for the girdling requirements of branches with different thicknesses and has high girdling efficiency.

2. The utility model also comprises a second supporting part with one end fixed on the hand-held part; the second supporting part is a plastic supporting part, a second blade is arranged on the surface of the second supporting part, and the second supporting part and the first supporting part are fixed on the handheld part in parallel. The form of two supporting parts all can be adjusted according to the thickness of branch and the requirement of the number of turns of girdling, and is nimble changeable, strong adaptability.

3. The utility model discloses the structure of second cutting edge is the same with the structure of first cutting edge, the sword width of first cutting edge and second cutting edge reduces to the one end of handheld portion along first supporting part and second supporting part respectively in proper order, the cross section of first cutting edge and second cutting edge all is the back taper type, the cone angle of first cutting edge is 1 ~ 5, first cutting edge and second cutting edge open the osculum to the bark earlier when the girdling, along with the rotation of girdling sword, first cutting edge and second cutting edge can carry out the flaring to the bark, make the girdling efficient, and the effect is better.

4. The utility model discloses a girdling sword be provided with the lag on handheld portion, play the guard action to the user, prevent to cut.

Drawings

Fig. 1 is a schematic view of a girdling knife provided in embodiment 1 of the present invention;

fig. 2 is a side view of the first blade 11 provided by the present invention;

fig. 3 is a schematic structural view of the handle 32 according to embodiment 2 of the present invention;

fig. 4 is a schematic view of a girdling knife provided in embodiment 3 of the present invention;

wherein:

1 — a first support part; 11 — a first blade; 2-a second support; 21-a second blade; 3-a handheld part; 31-ring; 32-handle.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and examples.

Example 1

Referring to fig. 1, the girdling knife comprises a first supporting part 1 and a handheld part 3 fixed with one end of the first supporting part 1, the handheld part 3 is a ring 31, the ring 31 is annular, a protective sleeve is wrapped outside the annular ring to prevent cutting, the first supporting part 1 and the ring 31 are integrally S-shaped, the first supporting part 1 is a snake bone structure, specifically, the snake bone structure in the patent with the application number of 201711069863.4 and the name of invention of a snake bone connecting structure can be referred to, the snake bone connecting structure comprises a plurality of snake bone sections, and the integral shape of the first supporting part can be bent and changed when the snake bone connecting structure is used; meanwhile, the first cutting edge 11 is arranged on the inner surface of the first supporting part 1, when the snake bone structure is a multi-section snake bone structure, the first cutting edge 11 is a multi-section cutting edge matched with the multi-section snake bone structure, so that when the shape of the first supporting part 11 is changed, the first cutting edge 11 is deformed accordingly to be in full contact with the surface of a branch to be girdled, and the girdling effect is good.

Referring to fig. 2, the cross section of the first blade 11 is in an inverted cone shape, and the blade width of the first blade 11 decreases in sequence along the direction from the first supporting part 1 to the handheld part 3; the taper angle of the first cutting edge 11 is 1-5 deg..

The specific girdling process is as follows: one finger of a user extends into the ring 31, the other fingers hold the ring, the first supporting part 1 is placed on the surface of a branch to enable the first blade 11 to be in contact with the surface of the branch, meanwhile, as the first blade 11 gradually decreases towards one end of the handheld part 3 along the first supporting part 1, the whole cutting edge of the first blade 11 is in an inverted cone shape, at the free end of the girdling knife, the blade width of the first blade 11 is widest, and the blade width of the first blade 11 is smaller when the blade is closer to one end of the handheld part 3; therefore, when in girdling, the first cutting edge 11 is completely contacted with the surface of the branch to be girdled, the bark of the branch to be girdled is firstly provided with a small opening by the first cutting edge 11, and when a user holds the ring 31 and rotates downwards and clockwise, the edge width of the first cutting edge 11 is increased, the bark can be flared, the requirement on the girdling depth is quickly met, the girdling efficiency is high, and the effect is better.

Example 2

Referring to fig. 3, the utility model provides a handheld portion 3 is handle 32, be provided with on the handle 32 with four finger assorted protective sheaths, first supporting part 1 and second support 2 all fix at handle 32 top, during the use, the protective sheath on the handle 32 is held simultaneously to four fingers of user, the handle 32 that the user can stabilize carries out the girdling to the branch.

Example 3

Referring to fig. 4, the utility model provides a girdling knife still includes the second supporting part 2, and one end of second supporting part 2 is parallelly fixed on handheld portion 3 with one end of first supporting part 1, and the second supporting part 2 is the linear type, and the structure of second supporting part 2 is also the snake bone type structure, sets up second cutting edge 21 on the second supporting part 2 surface, and the cross section of second cutting edge 21 is the back taper and the width of edge of second cutting edge 21 reduces along second supporting part 2 to the direction of handheld portion 3 in proper order; the taper angle of the second blade 11 is 1-3 degrees, so when a cut needs to be girdled, only the first support part 1 is used for girdling branches, the original straight line state of the second support part 2 is kept unchanged, and the girdling of the first support part 1 cannot be affected.

When two girdling are needed, the second supporting part 2 is bent to enable the shape of the second supporting part 2 to be the same as that of the first supporting part 1, the first supporting part 1 and the second supporting part 2 are parallel and are S-shaped with the handheld part 3, therefore, the first supporting part 1 and the second supporting part 2 simultaneously girdling branches, two girdling turns can be generated by one-time girdling, and the girdling efficiency is improved.

Claims

1. A ring cutter, its characterized in that: the girdling knife comprises a first supporting part (1) and a handheld part (3) fixed with one end of the first supporting part (1); the first support part (1) is a plastic support part; a first blade (11) is arranged on the inner surface of the first supporting part (1).

2. The ring cutter according to claim 1, characterized in that: the first supporting part (1) is of a snake bone structure.

3. The ring cutter according to claim 2, characterized in that: the snake bone structure comprises one or more snake bone sections, and the first cutting edge (11) comprises a multi-section cutting edge matched with the snake bone structure.

4. The ring cutter according to claim 3, characterized in that: the cross section of the first blade (11) is inverted cone-shaped and is sequentially reduced towards the end of the handheld part (3) along the first supporting part (1); the taper angle of the first cutting edge (11) is 1-5 degrees.

5. The ring cutter according to claim 4, characterized in that: the taper angle of the first cutting edge (11) is 1-3 degrees.

6. The ring cutter according to any one of claims 1 to 5, characterized in that: the ring cutting knife also comprises a second supporting part (2) connected with the handheld part (3); the structure of the second supporting part (2) is completely the same as that of the first supporting part (1) and is a snake bone structure.

7. The ring cutter according to claim 6, characterized in that: the second supporting part (2) is parallel to the first supporting part (1).

8. The ring cutter according to claim 7, characterized in that: the hand-held part (3) is a finger ring (31) or a handle (32).

9. The ring cutter according to claim 8, characterized in that: and a protective sleeve is arranged on the handheld part (3).