CN216906318U

CN216906318U - Corn castration scissors

Info

Publication number: CN216906318U
Application number: CN202220231305.3U
Authority: CN
Inventors: 卫泽; 王石; 魏平; 孙淑珍; 严波; 刘彩霞; 董君霞; 于瑞泳; 贾维强
Original assignee: Beijing Golden Abundance Seed Technology Co ltd
Current assignee: Beijing Fengdu Hi Tech Seed Industry Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-07-08
Anticipated expiration: 2032-01-27

Abstract

The embodiment of the utility model discloses a pair of corn emasculation scissors, which is used for solving the problem that the whole yield of corn is reduced due to the fact that corn stalks are broken in the traditional manual emasculation process. This maize scissors of castrating includes: telescopic link, scissors portion, control handle. The telescopic rod is sequentially sleeved by a plurality of sections of hollow rods and can extend out or retract along the axial direction of the telescopic rod; the first end of the telescopic rod is provided with a scissor part, and the second end of the telescopic rod is provided with a control handle; the scissor portion includes: the first scissors body is in a hook shape and is fixedly connected with the first end of the telescopic rod, a cutting edge is arranged on the inner arc side of the first scissors body, and the second scissors body is hinged with the first end of the telescopic rod 01 and is installed in a matched mode with the first scissors body. The second scissors body is connected with a rope, the rope is connected with the control handle through a cavity of the telescopic rod, and the control handle can control the opening or closing of the scissors portion.

Description

Corn castration scissors

Technical Field

The embodiment of the utility model relates to the field of agricultural tools, in particular to corn emasculation scissors.

Background

Corn is a plant of hermaphrodite, and in the actual production and breeding process, cross pollination is often required (i.e., pollen on other corn tassels pollinates to the silks of the ears of the corn), and one key of the cross pollination is to remove the corn tassels (for short, emasculation).

At present, the operation mode of manual castration is usually adopted, namely, a farmer manually bends the stem of a corn plant and shears the tassel of the corn. However, in the above operation process, since the stem of the corn is relatively high, in order to contact the tassel with the common scissors, the corn stem needs to be bent with a relatively large arc, which may cause the corn stem to be broken, thereby causing the death of the corn, and further causing the overall yield of the corn to be reduced.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a pair of corn emasculation scissors, which is used for solving the problem that the whole yield of corn is reduced due to the fact that corn stalks are broken in the traditional manual emasculation process.

In order to solve the above technical problem, the embodiment of the present invention is implemented as follows:

the embodiment of the utility model provides a pair of corn emasculation scissors 00, which comprises: telescopic link 01, scissors portion 02, control handle 03. The telescopic rod 01 is sequentially sleeved by a plurality of sections of hollow rods and can extend out or retract along the axial direction of the telescopic rod 01; the first end of the telescopic rod 01 is provided with a scissor part 02, and the second end is provided with a control handle 03; the scissor portion 02 includes: the first scissors body 021 and the second scissors body 022, this first scissors body 021 is hook-like, fixed connection and this telescopic link 01's first end, and its inner arc side is the cutting edge, and this second scissors body 022 is articulated with this telescopic link 01's first end, and with this first scissors body 021 cooperation installation, the second scissors body 022 outwards one end be blunt. The second scissors body 022 is connected to a string, the string is connected to the control handle 03 through the cavity of the telescopic rod 01, and the control handle 03 can control the opening or closing of the scissors 02.

In an embodiment of the present invention, corn emasculation scissors 00 comprise: telescopic link 01, scissors portion 02, control handle 03. The telescopic rod 01 is sequentially sleeved by a plurality of sections of hollow rods and can extend out or retract along the axial direction of the telescopic rod 01; the first end of the telescopic rod 01 is provided with a scissor part 02, and the second end is provided with a control handle 03; the scissor portion 02 includes: first scissors body 021 and second scissors body 022, this first scissors body 021 is hook-like, fixed connection and the first end of this telescopic link 01, and its inner arc side is the cutting edge, and this second scissors body 022 is articulated with the first end of this telescopic link 01, and with this first scissors body 021 cooperation installation, and second scissors body 022 is blunt nosed towards one end outward, can prevent the scratch. The second scissors body 022 is connected to a string, the string is connected to the control handle 03 through the cavity of the telescopic rod 01, and the control handle 03 can control the opening or closing of the scissors 02. Through this scheme, on the one hand, because this telescopic link can extend or shorten, so can guarantee to adapt to not co-altitude maize plant to avoid the damage of manual castration in-process to the maize stalk. On the other hand, the scissors part of the utility model is a hook-shaped scissors blade, and the cutting edge is inward, so the scissors are convenient to carry and safe to operate.

Drawings

FIG. 1 is a schematic view of a pair of corn emasculation scissors according to an embodiment of the present invention;

FIG. 2 is a second schematic view of a pair of corn emasculation scissors according to an embodiment of the present invention;

FIG. 3 is a top view of a pair of corn emasculation scissors according to an embodiment of the present invention;

FIG. 4 is a third schematic view of a pair of corn emasculation scissors according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a control handle according to an embodiment of the present invention.

Reference numbers in the drawings illustrate: 00-corn emasculation scissors, 01-telescopic rod, 02-scissors part, 021-first scissors body, 022-second scissors body, 03-control handle, 031-handle, 032-rotating shaft and 033-cam.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The term "and/or" herein is an association relationship describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. The symbol "/" herein denotes a relationship in which the associated object is or, for example, a/B denotes a or B.

The terms "first" and "second," and the like, in the description and in the claims of the present invention are used for distinguishing between different objects and not for describing a particular order of the objects. For example, the first and second pressing devices, etc. are used to distinguish between different pressing devices, and are not used to describe a particular order of pressing devices.

In the embodiments of the present invention, words such as "exemplary" or "for example" are used to mean serving as examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "e.g.," an embodiment of the present invention is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.

In the description of the embodiments of the present invention, unless otherwise specified, "a plurality" means two or more, for example, a plurality of elements means two or more elements, and the like.

The following describes an exemplary corn emasculation scissors provided by an embodiment of the present invention with reference to fig. 1 to 5 provided by an embodiment of the present invention.

As shown in fig. 1, the embodiment of the present invention provides a pair of corn emasculation scissors 00. This maize scissors 00 that castrates includes: telescopic link 01, scissors portion 02, control handle 03. The telescopic rod 01 is sequentially sleeved by a plurality of sections of hollow rods and can extend out or retract along the axial direction of the telescopic rod 01; the first end of the telescopic rod 01 is provided with a scissor part 02, and the second end is provided with a control handle 03; the scissor portion 02 includes: first scissors body 021 and second scissors body 022, this first scissors body 021 is hook-like, fixed connection and the first end of this telescopic link 01, and its inboard is the cutting edge, and this second scissors body 022 is articulated with the first end of this telescopic link 01, and with this first scissors body 021 cooperation installation, and second scissors body 022 is blunt nosed towards one end outward, can prevent the scratch. The second scissors body 022 is connected to a string, the string is connected to the control handle 03 through the cavity of the telescopic rod 01, and the control handle 03 can control the opening or closing of the scissors 02.

Optionally, in this application embodiment, above-mentioned telescopic link 01 is cup jointed by the cavity pole in the multistage in proper order, and every cup joints the position and all can stretch out and draw back, can fix through fixed knot structure under the condition that stretches out, and this fixed knot structure sets up the junction between the telescopic link, and this fixed knot structure can be for buckle fastening or screw thread fastening. Therefore, the telescopic rod can be extended and fixed in the axial direction of the telescopic rod 01, and then the fixation can be cancelled and the telescopic rod can be retracted after the use is finished. So can guarantee to adapt to not co-altitude maize plant to avoid the damage of manual castration in-process to the maize stalk.

Optionally, in this embodiment of the application, the first scissors body 021 and the telescopic rod 01 are fixedly connected, and specifically may be any one of: welding, riveting, bonding, screwing, etc.

Optionally, in this embodiment, the first scissors body 021 is hook-shaped, and the inner arc side of the first scissors body 021 is a blade. The hook-shaped can be used for hooking the tassel of the corn, can play a role in fixing, and facilitates the shearing of the second scissors body 022. Wherein, the inboard cutting edge of above-mentioned circular arc both can ensure the safety that the user used and accomodate, can play the fixed action of hook and get the maize tassel again, still convenient processing, integrated into one piece.

Optionally, in this embodiment of the application, a side of the second scissors body 022 facing the first scissors body 021 is a blade, and a length of the second scissors body 022 is greater than or equal to a chord length of an arc of the first scissors body 021. So, can guarantee to cut the corn tassel that first scissors body 021 hook was got in scissors portion 02 working process totally, avoid because second scissors body 022 length is not enough to take place leak cut.

It should be noted that, the first scissors body 021 and the second scissors body 022 are installed in a matching manner, and the second scissors body 022 can rotate around the living hinge to realize cutting.

Alternatively, as shown in fig. 2, a right-angle connector may be installed at the first end of the telescopic rod 01, and the scissors 02 may be installed at the extending end of the right-angle connector. So, make things convenient for the peasant household to use more, need not to bend the maize plant, and then the damage of avoiding manual castration in-process to the maize stalk that can be better.

For example, fig. 2 is a schematic view of the first end of the telescopic rod provided with a right-angle connector, and fig. 3 is a top view seen from the direction T. As shown in fig. 2 and 3, a right-angle joint may be installed at the first end of the telescopic rod 01, and the scissors may be installed at the right-angle joint, so that it is more convenient for farmers to use.

Optionally, in this embodiment of the application, the direct joint is detachably connected. Thereby conveniently accomodate the telescopic link to carry out the part and change.

Optionally, in an embodiment of the present application, the cord is made of any one of the following materials: nylon thread, carbon plastic thread, polyethylene braided thread, steel wire thread and synthetic thread.

Optionally, in this embodiment of the application, a return spring is disposed at a connection between the second scissors body 022 and the cord, and is used for returning the scissors portion 02 to the preset closing position.

It should be noted that, in the embodiment of the present application, the preset closing position is a position where the second scissors body is located when the return spring is in the relaxed state.

Optionally, in this embodiment of the application, the return spring is a tension/compression spring or a torsion spring. The method specifically comprises the following two implementation modes:

mode 1, the return spring is a tension-compression spring. The tension and compression spring is connected with the second scissors body and the telescopic rod 01, and the cord penetrates through a cavity of the telescopic rod to be connected with the second scissors body and the control handle. Normally, the second scissors body stops against the arc end of the first scissors body to prevent the blade from scratching. When the pair of scissors is in operation, a user can pull the rope through the control handle, so that the second scissors body is driven to rotate around the hinge shaft, and the scissors parts are opened. Then the user can remove this scissors portion to maize tassel position, and the user can control handle and relax this cotton rope to reset spring work drives second scissors body motion and predetermines closed position, accomplishes and cuts out.

Mode 2, the return spring is a torsion spring. The torsion spring is arranged on the hinged shaft of the second scissors body and is positioned in the cavity of the telescopic rod, one torsion spring arm of the torsion spring is fixed in the cavity of the telescopic rod and is prevented from abutting against the inner wall of the cavity, and the other torsion spring arm is rotatably connected with the second scissors body. When the pair of scissors works, a user can pull the rope through the control handle, so that the second scissors body is driven to rotate around the hinge shaft, the scissors portion is opened, the torsion spring is twisted and deformed, and elastic potential energy is stored. Then the user can remove this scissors portion to maize tassel position, and the user can control handle and relax this cotton rope to torsion spring resets, and then drives second scissors body and move to predetermineeing closed position, accomplishes and tailors.

It should be noted that, in the embodiment of the present application, the spring member of the return handle is small, and therefore is not shown in fig. 1.

The corn emasculation scissors 00 provided by the embodiment of the utility model comprises: telescopic link 01, scissors portion 02, control handle 03. The telescopic rod 01 is sequentially sleeved by a plurality of sections of hollow rods and can extend out or retract along the axial direction of the telescopic rod 01; the first end of the telescopic rod 01 is provided with a scissor part 02, and the second end is provided with a control handle 03; the scissor portion 02 includes: the first scissors body 021 is in a hook shape and fixedly connected with the first end of the telescopic rod 01, the inner arc side of the first scissors body 021 is provided with a blade, and the second scissors body 022 is hinged with the first end of the telescopic rod 01 and is matched with the first scissors body 021 in installation. The second scissors body 022 is connected to a string, the string is connected to the control handle 03 through the cavity of the telescopic rod 01, and the control handle 03 can control the opening or closing of the scissors 02. Through this scheme, on the one hand, because this telescopic link can extend or shorten, so can guarantee to adapt to not co-altitude maize plant to avoid the damage of manual castration in-process to the maize stalk. On the other hand, the scissors part of the utility model is a hook-shaped scissors blade, and the cutting edge is inward, so the scissors are convenient to carry and safe to operate.

Optionally, in this embodiment of the application, the control handle 03 has two control positions, which are, from top to bottom: a first control bit and a second control bit. The first control bit is used for controlling the scissor parts 02 to be opened; the second control position is used for controlling the scissor portion 02 to move to a preset closing position to finish cutting.

Illustratively, as shown in fig. 3, corn emasculation scissors 00 comprise: telescopic link 01, scissors portion 02, control handle 03. The scissor portion 02 includes: first scissors body 021 and second scissors body 022, this first scissors body 021 is circular-arc, fixed connection with the first end of this telescopic link 01, and the circular arc inboard is the cutting edge, and this second scissors body 022 is articulated with the first end of this telescopic link 01, and with this first scissors body 021 cooperation installation. The second scissors body 022 is connected with a string, and the string is connected with the control handle 03 through the cavity of the telescopic rod 01. During operation, the user can be through pressing brake valve lever to a position (promptly, first control position) to pulling the cotton rope, driving second scissors body 022 and moving to A position, and then realize opening of scissors portion 02. Then, the user can remove this scissors portion 02 to maize tassel position, and afterwards, the user can relax control handle and make it kick-back to B position (i.e. second control position) to owing to relax this cotton rope, reset spring resets, and then drive second scissors body 022 and move to predetermineeing closed position B position, accomplish and tailor.

Alternatively, referring to fig. 5 in conjunction with fig. 1, fig. 5 is a cross-sectional view of a portion of the control handle. The control handle 03 includes: handle 031, pivot 032, cam 033. The big end of the cam 033 is fixedly connected with a handle 031, and is mounted in the cavity of the telescopic rod 01 through a rotating shaft 032, and the handle 031 is mounted on the outer side of the telescopic rod 01. The end face of the cam 033 is provided with a groove through which the cord is fixed.

Note that, since the end surface of the cam 033 is provided with a groove, the cord is fixed by the groove (black portion in fig. 5). Thereby preventing the falling of the thread rope in the rotation process of the cam.

Optionally, in this embodiment of the application, the rotation size of the cam is smaller than the inner diameter of the telescopic rod, that is, the cam can complete rotation inside the telescopic rod.

Optionally, in this embodiment, the cam 033 may be replaced by a disk with a groove during actual use, and the diameter of the disk is larger than that of the rotating shaft, so that the scissor portion can be opened quickly.

Optionally, in this embodiment of the application, an outer side of the control handle 03 is wrapped with an anti-slip rubber layer. The slipping caused by long-time holding of the user can be effectively prevented.

Illustratively, as shown in fig. 5, the control handle 03 includes: handle 031, pivot 032, cam 033. The big end of the cam 033 is fixedly connected with a handle 031, and is mounted in the cavity of the telescopic rod 01 through a rotating shaft 032, and the handle 031 is mounted on the outer side of the telescopic rod 01. The end face of the cam 033 is provided with a groove through which the cord is fixed. During operation, the user can be through pressing control handle to the pulling cotton rope just can take place great displacement through cam 033 pulling cotton rope under the condition that the handle rotates less angle, thereby makes more elastic potential energy of reset spring deposit, and then drives the motion of second scissors body, realizes opening of scissors portion 02. Then, the user can remove this scissors portion to maize tassel position, and afterwards, the user can relax control handle and make it kick-back to owing to relax this cotton rope, reset spring resets, and then drives second scissors body 022 and move to predetermineeing closed position, accomplish and tailor.

It can be understood that, because the axial direction of the big end of the cam mechanism is consistent with the axial direction of the rotating shaft, the handle can pull the wire rope to generate larger displacement under the condition of rotating by a smaller angle, so that the return spring stores more elastic potential energy and provides energy for the subsequent shearing operation.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, article, or apparatus that comprises the element.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. Corn emasculation scissors, characterized in that the corn emasculation scissors (00) comprise: a telescopic rod (01), a scissor part (02) and a control handle (03);

the telescopic rod (01) is sequentially sleeved by a plurality of sections of hollow rods and can extend out or retract along the axis direction of the telescopic rod (01);

the first end of the telescopic rod (01) is provided with the scissor part (02), and the second end is provided with the control handle (03);

the scissor portion (02) includes: the pair of scissors comprises a first scissors body (021) and a second scissors body (022), wherein the first scissors body (021) is hook-shaped and fixedly connected with the first end of the telescopic rod (01), the inner side of the first scissors body is provided with a blade, the second scissors body (022) is hinged with the first end of the telescopic rod (01) and is installed in a matched mode with the first scissors body (021), and the outward end of the second scissors body (022) is blunt;

the second scissors body (022) is connected with a rope, and the rope is connected with the control handle (03) through a cavity of the telescopic rod (01);

the control handle (03) can control the opening or closing of the scissor part (02).

2. The corn emasculation scissors as claimed in claim 1, wherein the first scissors body (021) is a hook-shaped arc, and an inner arc thereof is a blade edge.

3. The corn emasculation scissors according to claim 2, wherein a side of the second scissors body (022) facing the first scissors body (021) is a blade edge, and a length of the second scissors body (022) is greater than or equal to a chord length of a circular arc of the first scissors body (021).

4. The corn emasculation scissors as claimed in claim 1, wherein a return spring is arranged at the connection of the second scissors body (022) and the wire rope for returning the scissors portion (02) to a preset closing position.

5. The corn emasculation scissors of claim 4, wherein the return spring is a tension spring or a torsion spring.

6. The corn castration scissors as claimed in claim 1, wherein the control handle (03) comprises: a handle (031), a rotating shaft (032) and a cam (033);

the large end of the cam (033) is fixedly connected with the handle (031), and is mounted in the cavity of the telescopic rod (01) through the rotating shaft (032), and the handle (031) is mounted on the outer side of the telescopic rod (01);

the end face of the cam (033) is provided with a groove, and the thread rope is fixed through the groove.

7. The maize emasculation scissors of claim 1, wherein the control handle (03) has two control positions, from top to bottom: a first control bit and a second control bit;

the first control position is used for controlling the opening of the scissor parts (02); and the second control position is used for controlling the scissor part (02) to move to a preset closing position to finish cutting.

8. The maize emasculation scissors of claim 1, wherein a right-angle joint is installed at the first end of the telescopic rod (01), and the scissors portion (02) is installed at the extending end of the right-angle joint.

9. The maize emasculation scissors of claim 1, wherein the control handle (03) is wrapped with a layer of anti-slip rubber.

10. The corn emasculation scissors as claimed in claim 1, wherein the string is made of any one of the following materials: nylon thread, carbon plastic thread, polyethylene braided thread, steel wire thread and synthetic thread.