CN220292591U - Tobacco leaf harvesting tool - Google Patents

Abstract

The utility model discloses a tobacco leaf harvesting tool, which belongs to the technical field of tobacco leaf harvesting, and comprises two symmetrically arranged arc-shaped shells and further comprises: the connecting mechanism enables the two arc-shaped shells to rotate through the connecting mechanism; the first cutter and the second cutter are used for cutting off tobacco leaves; the transmission mechanism drives the first cutter and the second cutter to extend out of the transmission cavity upwards or downwards respectively through the transmission mechanism after the two extrusion plates are mutually extruded and moved; in the scheme, the first cutter and the second cutter are positioned in the transmission inner cavity, so that the situation of accidental injury can be greatly prevented, and the safety coefficient of the device is improved; after the first cutter and the second cutter are exposed, the arc-shaped shell can be held to move up and down along the plant, tobacco leaves in all directions and at heights on the tobacco plant can be cut and harvested, tobacco leaves do not need to be harvested one by one, the mode of harvesting by hands is replaced, the harvesting efficiency is greatly improved, and the practicability is strong.

Description

Tobacco leaf harvesting tool

Technical Field

The utility model relates to the technical field of tobacco leaf harvesting, in particular to a tobacco leaf harvesting tool.

Background

Tobacco belongs to annual herbal plants, has a wider planting range, is an important economic crop, has higher economic value, is basically used for harvesting in the tobacco growth process, and is related to the yield and quality of the tobacco in the tobacco harvesting period, so that scientific and timely tobacco harvesting is a key for guaranteeing the quality of the tobacco.

At present, tobacco leaf harvesting is generally performed manually, tobacco leaves are separated from plants by hands, but the mode is time-consuming and labor-consuming, the harvesting efficiency is low, and the tobacco leaf harvesting is easy to damage hands and is not beneficial to staff harvesting.

Disclosure of Invention

The utility model aims to provide a tobacco leaf harvesting tool for solving the technical problems.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a tobacco leaf harvesting instrument, includes the arc shell of two symmetry settings, still includes:

the connecting mechanism is arranged between the two arc-shaped shells, so that the two arc-shaped shells can rotate through the connecting mechanism;

the transmission cavity is arranged in the arc-shaped shell;

the first cutter and the second cutter are symmetrically arranged in the transmission inner cavity and are respectively positioned at the upper end and the lower end of the arc-shaped shell and used for cutting off tobacco leaves;

the extrusion plate is movably penetrated through the side wall of the arc-shaped shell;

the transmission mechanism is arranged in the transmission inner cavity, and after the two extrusion plates are mutually extruded and moved, the first cutter and the second cutter are driven by the transmission mechanism to respectively extend out of the transmission inner cavity upwards or downwards.

Further, the transmission mechanism comprises a first wedge block arranged at the end part of the extrusion plate, a first elastic piece is arranged between the first wedge block and the inner wall of the transmission inner cavity, second wedge blocks matched with the first wedge block are arranged at the ends, close to the first cutter and the second cutter, of the first cutter, a second elastic piece is arranged between the two second wedge blocks, and after the extrusion plate is extruded to drive the first wedge block to horizontally move, the first wedge block can drive the upper wedge block and the lower wedge block to move towards the vertical direction.

Further, the inner wall of the transmission inner cavity is provided with a sliding rail, two sliding blocks are connected to the sliding rail in a sliding manner, and one end, away from the sliding rail, of each sliding block is connected with the second wedge block.

Further, an outer sleeve plate is arranged on the second wedge block, the inner walls of the upper outer sleeve plate and the lower outer sleeve plate are respectively connected with the outer walls of the first cutter and the second cutter in a sliding mode, and a telescopic rod and a third elastic piece are arranged between the inner walls of the upper outer sleeve plate and the lower outer sleeve plate and between the inner walls of the upper outer sleeve plate and the first cutter and the second cutter respectively.

Further, the connecting mechanism comprises:

the connecting blocks are arranged on the arc-shaped shells, and the connecting blocks on the two arc-shaped shells are distributed in an intersecting manner;

the connecting shaft is arranged between the two arc-shaped shells, movably penetrates through the connecting blocks and is rotationally connected with the connecting blocks.

Furthermore, both ends of the connecting shaft are provided with stop blocks, and torsion springs are arranged between the stop blocks and the adjacent connecting blocks.

Further, two U-shaped blocks for the fingers to pass through are arranged on the outer walls of the arc-shaped shells, and elastic limiting belts are arranged on the U-shaped blocks and used for limiting the fingers passing through the U-shaped blocks.

Further, the method further comprises the following steps:

the binding band is arranged on the outer wall of the arc-shaped shell and used for fixing the palm, and the binding band is provided with a first magic tape and a second magic tape which are matched with each other;

the limiting frame is arranged on the outer wall of the arc-shaped shell and used for the binding belt to penetrate through for fixing.

Compared with the prior art, the utility model has the advantages that:

1. in this scheme, grip when the palm for two stripper plates receive the back of extruding each other, drive the first cutter of upside and move down and the second cutter of downside through drive mechanism, finally shift out transmission inner chamber, first cutter and second cutter just can reveal this moment, can avoid first cutter and second cutter to expose always can cause the injured condition of user's mistake outside. After the palm is opened, after the extrusion plate loses extrusion force, rethread drive mechanism makes first cutter and second cutter get back to transmission intracavity, can greatly prevent that first cutter and second cutter from can the circumstances of accidental injury, improves the factor of safety of this device, also greatly reduced present partial user and used the cutter to cut and receive the higher circumstances of tobacco leaf risk.

2. In this scheme after making first cutter and second cutter show, can hold the arc shell and reciprocate along the plant, when the arc shell moved up, first cutter can cut off the tobacco leaf that is in arc shell top and gather, and when the arc shell moved down, the second cutter can cut off the tobacco leaf that is in arc shell below and gather, need not to take off the arc shell from the plant many times and place the condition in different positions again, excellent in use effect. And through the reciprocates of first cutter and second cutter, can cut the tobacco leaf of each direction and height on the tobacco plant and gather, need not to gather tobacco leaf one by one, and replaced the mode of gathering with the hand for the efficiency of gathering to the tobacco leaf has very big improvement, convenient operation is effective, and the practicality is strong.

3. The power can be carried out certain buffering through telescopic link and third elastic component to this scheme, can avoid can directly causing the condition of injury after first cutter mistake touches human skin, further improved the protection effect of this device, the practicality is strong.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

FIG. 3 is a schematic view of the inner deployment structure of the arcuate housing of the present utility model;

FIG. 4 is a schematic view of the structure of the present utility model with the two side arc shells open at a certain angle;

fig. 5 is a schematic view of the internal structure of the outer race plate of the present utility model.

The reference numerals in the figures illustrate:

1. an arc-shaped housing; 2. a connecting mechanism; 21. a connecting block; 22. a connecting shaft; 3. a transmission cavity; 4. a first cutter; 5. a second cutter; 6. an extrusion plate; 7. a transmission mechanism; 71. a first wedge; 72. a first elastic member; 73. a second wedge; 74. a second elastic member; 8. a slide rail; 9. a slide block; 10. a stop block; 11. a torsion spring; 12. a U-shaped block; 13. an elastic limit belt; 14. a strap; 15. a first magic tape; 16. the second magic tape; 17. a defining rack; 18. an outer jacket plate; 19. a telescopic rod; 20. a third elastic member; 21. a connecting block; 22. a connecting shaft; 23. and a rubber layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1 and fig. 3 to 4, a tobacco harvesting tool, comprising two symmetrically arranged arc-shaped shells 1, further comprising: the connecting mechanism 2 is arranged between the two arc-shaped shells 1, so that the two arc-shaped shells 1 can rotate through the connecting mechanism 2; the transmission inner cavity 3 is arranged in the arc-shaped shell 1; the first cutter 4 and the second cutter 5 are symmetrically arranged in the transmission inner cavity 3 and are respectively positioned at the upper end and the lower end of the arc-shaped shell 1 and used for cutting tobacco leaves; the extrusion plate 6 movably penetrates through the side wall of the arc-shaped shell 1; the transmission mechanism 7 is arranged in the transmission cavity 3, and after the two extrusion plates 6 are mutually extruded and moved, the first cutter 4 and the second cutter 5 are driven by the transmission mechanism 7 to respectively extend out of the transmission cavity 3 upwards or downwards. The outer wall of two arc shells 1 all is equipped with the U type piece 12 that supplies the finger to pass, is equipped with elasticity spacing area 13 on the U type piece 12 for restrict the finger that passes U type piece 12, the outer wall of one of them arc shell 1 is equipped with a U type piece 12 and elasticity spacing area 13, and the outer wall of another arc shell 1 is equipped with four U type pieces 12 and elasticity spacing area 13, makes things convenient for five fingers of palm to pass and restricts, still includes: the connecting mechanism 2 is arranged between the two arc-shaped shells 1, so that the two arc-shaped shells 1 can be communicated. The inner wall of the arc-shaped shell 1 is provided with a rubber layer 23, so that plant stems in the rubber layer 23 can be protected.

When in use, the arc-shaped shell 1 can be worn on hands, and the arc-shaped shell 1 at two sides can be grasped by hands, wherein the thumb is put between the independent U-shaped block 12 and the elastic limit belt 13 on one side of the arc-shaped shell 1, in addition, four fingers can be placed between the four U-shaped blocks 12 and the elastic limiting belt 13 on the arc-shaped shell 1 at the other side, and the fingers can be limited through the elastic limiting belt 13, so that the situation that the fingers can be pulled out from the arc-shaped shell 1 can be greatly prevented. When the palm holds the two arc-shaped shells 1, the two arc-shaped shells 1 can be driven to rotate along with the fingers through opening and closing of the palm.

When driving this device and being located the tobacco plant department that has that waits to gather, at this moment through opening the palm earlier, can drive two arc shells 1 and rotate towards the direction that keeps away from each other, even make the clearance between two arc shells 1 grow, as shown in fig. 4, then with two arc shells 1 cover outside plant stalk, plant stalk is located the part between two arc shells 1 at this moment, then the hand holds tightly, even make two arc shells 1 remove towards the direction that is close to each other, after the stripper plate 6 on two arc shells 1 contacts, make two arc shells 1 continue to tighten up, at this moment two stripper plates 6 can receive the mutual extrusion, stripper plate 6 can drive the first cutter 4 of upside and the second cutter 5 of downside through drive mechanism 7 and move down, finally make first cutter 4 and second cutter 5 shift out the inside of transmission inner chamber 3, and make first cutter 4 and second cutter 5 be in the upper and lower both ends of arc shells 1 respectively, first cutter 4 and second cutter 5 just can show out when this moment, can first cutter 4 and second cutter 5 always be exposed the cutter 5 can cause the injury condition of the user. After the palm is opened, after the extrusion plate 6 loses extrusion force, the first cutter 4 and the second cutter 5 are returned to the transmission cavity 3 through the transmission mechanism 7, the situation that the first cutter 4 and the second cutter 5 can be accidentally injured can be greatly prevented, the safety factor of the device is improved, and the situation that the dangerousness of the tobacco leaves cut and collected by using cutters by partial users at present is greatly reduced.

When making first cutter 4 and second cutter 5 show the back, can hold arc shell 1 and drive arc shell 1 and reciprocate along the plant this moment to drive the oscilaltion of first cutter 4 and second cutter 5, when driving arc shell 1 and reciprocate, first cutter 4 can cut off the tobacco leaf that is in arc shell 1 top and gather, when driving arc shell 1 and move down, second cutter 5 can cut off the tobacco leaf that is in arc shell 1 below and gather, can cut the tobacco leaf respectively through first cutter 4 and second cutter 5, only need with arc shell 1 reciprocate can, need not to take off arc shell 1 from the plant a plurality of times and place the condition of different positions again, excellent in use effect. And through the reciprocates of first cutter 4 and second cutter 5, can cut the tobacco leaf of each direction and height on the tobacco plant and gather, need not to gather tobacco leaf one by one, and replaced the mode of gathering with the hand, labour saving and time saving for have very big improvement to the efficiency of gathering of tobacco leaf, convenient operation is effective, and the practicality is strong, and is fine moreover protects harvesting personnel's hand, thereby can further improve the output benefit of tobacco leaf.

In this embodiment, preferably, referring to fig. 3, the transmission mechanism 7 includes a first wedge 71 disposed at an end portion of the extrusion plate 6, a first elastic element 72 is disposed between the first wedge 71 and an inner wall of the transmission cavity 3, the first elastic element 72 in this application adopts a spring, one end of the first cutter 4 and one end of the second cutter 5, which are close to each other, are respectively provided with a second wedge 73 matched with the first wedge 71, a second elastic element 74 is disposed between the two second wedges 73, the second elastic element 74 in this application adopts a spring, and after the extrusion plate 6 is extruded to drive the first wedge 71 to move horizontally, the first wedge 71 drives the upper and lower second wedges 73 to move towards the vertical direction. When the extrusion plate 6 is extruded, the extrusion plate 6 drives the first wedge block 71 to move and stretches the first elastic piece 72, the first wedge block 71 converts the horizontal movement of the first wedge block 71 into the vertical movement of the second wedge block 73 through the inclined plane fit of the second wedge block 73, namely, the second wedge blocks 73 on the upper side and the lower side move towards the direction away from each other and stretch the second elastic piece 74, and the second wedge block 73 drives the first cutter 4 on the upper side to move upwards and the second cutter 5 on the lower side to move downwards; when the extrusion plate 6 loses extrusion force, the second wedges 73 move towards each other by the resilience force of the second elastic element 74 and the first elastic element 72, and the second wedges 73 drive the first cutter 4 or the second cutter 5 to move towards the transmission cavity 3, so that the first cutter 4 and the second cutter 5 are finally positioned in the transmission cavity 3.

The inner wall of the transmission cavity 3 is provided with a sliding rail 8, two sliding blocks 9 are connected to the sliding rail 8 in a sliding way, and one end, far away from the sliding rail 8, of each sliding block 9 is connected with the second wedge block 73. When the second wedge 73 moves, the sliding block 9 is driven to slide along the sliding rail 8, so that the movement stability of the second wedge 73 can be greatly improved, and the movement stability effect of the first cutter 4 and the second cutter 5 can be further improved.

In this embodiment, as shown in fig. 1 and fig. 3-5, preferably, the second wedge 73 is provided with an outer sleeve plate 18, inner walls of the upper and lower outer sleeve plates 18 are slidably connected with outer walls of the first cutter 4 and the second cutter 5, respectively, and a telescopic rod 19 and a third elastic member 20 are disposed between the inner walls of the upper and lower outer sleeve plates 18 and the first cutter 4 and the second cutter 5, respectively, and the third elastic member 20 in this application adopts a spring. When the first cutter 4 or the second cutter 5 contacts an object, when the force reacting to the first cutter 4 is larger than the elastic force of the telescopic rod 19, the first cutter 4 or the second cutter 5 can move towards the inside of the outer sleeve plate 18 and stop after moving to a designated position, the force can be buffered to a certain extent through the telescopic rod 19 and the third elastic piece 20, the situation that the first cutter 4 can directly cause injury after contacting the skin of a human body by mistake can be avoided, the protection effect of the device is further improved, and the practicability is strong.

In this embodiment, referring to fig. 1-2, the connection mechanism 2 preferably includes: the connecting blocks 21 are arranged on the arc-shaped shells 1, and the connecting blocks 21 on the two arc-shaped shells 1 are distributed in an intersecting manner; the connecting shaft 22 is arranged between the two arc-shaped shells 1, and movably penetrates through the plurality of connecting blocks 21 and is rotationally connected with the connecting blocks. The two ends of the connecting shaft 22 are provided with the stop blocks 10, and a torsion spring 11 is arranged between each stop block 10 and the adjacent connecting block 21. The two arc-shaped shells 1 can rotate around the connecting shaft 22 through the connecting block 21, so that the two arc-shaped shells 1 can be conveniently opened and closed. When the two arc-shaped shells 1 are outwards opened, the torsion spring 11 is stretched, and when the two arc-shaped shells 1 are not forced to be opened, the two arc-shaped shells 1 can be retracted to the initial position through the resilience force of the torsion spring 11, so that the situation that the two arc-shaped shells 1 swing randomly is avoided.

In this embodiment, referring to fig. 1 and fig. 4, preferably, the method further includes: the binding band 14 is arranged on the outer wall of the arc-shaped shell 1 and used for fixing the palm, and a first magic tape 15 and a second magic tape 16 which are matched are arranged on the binding band 14; a limiting frame 17 is provided on the outer wall of the arc-shaped casing 1 for the binding band 14 to pass through for fixing. The binding band 14 can be used, the binding band is positioned outside the palm and bypasses the limiting frame 17, and then the second magic tape 16 on the binding band 14 is matched and fixed with the first magic tape 15, so that the binding band 14 can be fixed, further binding and limiting on the palm of a user can be realized, and the stability of the arc-shaped shell 1 can be improved.

Working principle: when in use, the arc-shaped shell 1 can be worn on hands, and the arc-shaped shell 1 at two sides can be grasped by hands, wherein the thumb is put between the independent U-shaped block 12 and the elastic limit belt 13 on one side of the arc-shaped shell 1, the other four fingers can be put between the four U-shaped blocks 12 and the elastic limit belt 13 on the arc-shaped shell 1 on the other side. Further, the binding band 14 can be used, and the binding band is positioned outside the palm and bypasses the limiting frame 17, and then the second magic tape 16 on the binding band 14 is matched and fixed with the first magic tape 15, so that the binding band 14 can be fixed, namely, the palm of a user can be further bound and limited.

When the device is driven to be positioned at a tobacco plant position to be harvested, the palm is opened at the moment, the two arc-shaped shells 1 are driven to rotate towards the direction away from each other, namely, the gap between the two arc-shaped shells 1 is enlarged, as shown in fig. 4, the two arc-shaped shells 1 are sleeved outside plant stalks, the plant stalks are positioned at the position between the two arc-shaped shells 1, then the two arc-shaped shells 1 are grasped tightly by hands, namely, the two arc-shaped shells 1 are driven to move towards the direction close to each other, after the pressing plates 6 on the two arc-shaped shells 1 are contacted, the two arc-shaped shells 1 are continuously tightened, at the moment, the two pressing plates 6 are pressed mutually, the pressing plates 6 can drive the first wedge blocks 71 to move, and stretch the first elastic pieces 72, the first wedge blocks 71 are matched with the inclined surfaces of the second wedge blocks 73, the horizontal movement of the first wedge blocks 71 is converted into the vertical movement of the second cutter 73, namely, the second wedge blocks 73 at the upper side and the lower side are enabled to move towards the direction away from each other, the second elastic pieces 74 are stretched, the upper side of the first wedge blocks 4 and the lower side of the second wedge blocks 4 are driven to move towards the direction away from each other, the lower side of the first wedge blocks 4, the second wedge blocks 5 are driven to move up, the inner cavities of the first wedge blocks 4 and the second cutter 4 are exposed out of the inner cavities 5 and the first cutter 4 and the inner cutter 4 are respectively, and the inner cavities of the cutter 4 are exposed. After the palm is opened and the squeezing plate 6 loses squeezing force, the two second wedges 73 move towards the direction approaching to each other through the resilience force of the second elastic piece 74 and the first elastic piece 72, and the second wedges 73 drive the first cutter 4 or the second cutter 5 to move towards the transmission cavity 3, so that the first cutter 4 and the second cutter 5 are finally positioned in the transmission cavity 3.

When the first cutter 4 and the second cutter 5 are exposed, the arc-shaped shell 1 can be held by hands and the arc-shaped shell 1 is driven to move up and down along plants, so that the first cutter 4 and the second cutter 5 are driven to move up and down, when the arc-shaped shell 1 is driven to move up, the first cutter 4 cuts off and collects tobacco leaves above the arc-shaped shell 1, when the arc-shaped shell 1 is driven to move down, the second cutter 5 cuts off and collects tobacco leaves below the arc-shaped shell 1, tobacco leaves can be cut through the first cutter 4 and the second cutter 5 respectively, and only the arc-shaped shell 1 is required to move up and down.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme and the concept of the present utility model, and should be covered by the scope of the present utility model.

Claims (8)

1. Tobacco leaf harvesting instrument, including arc shell (1) that two symmetries set up, its characterized in that still includes:

the connecting mechanism (2) is arranged between the two arc-shaped shells (1) so that the two arc-shaped shells (1) can rotate through the connecting mechanism (2);

the transmission inner cavity (3) is arranged in the arc-shaped shell (1);

the first cutter (4) and the second cutter (5) are symmetrically arranged in the transmission inner cavity (3) and are respectively positioned at the upper end and the lower end of the arc-shaped shell (1) and used for cutting tobacco leaves;

the extrusion plate (6) movably penetrates through the side wall of the arc-shaped shell (1);

the transmission mechanism (7) is arranged in the transmission inner cavity (3), and after the two extrusion plates (6) are mutually extruded and moved, the transmission mechanism (7) drives the first cutter (4) and the second cutter (5) to respectively extend out of the transmission inner cavity (3) upwards or downwards.

2. A tobacco leaf harvesting tool according to claim 1, wherein the transmission mechanism (7) comprises a first wedge (71) arranged at the end part of the extrusion plate (6), a first elastic piece (72) is arranged between the first wedge (71) and the inner wall of the transmission cavity (3), a second wedge (73) matched with the first wedge (71) is arranged at one end, close to the first cutter (4) and the second cutter (5), of each first cutter, a second elastic piece (74) is arranged between the two second wedges (73), and after the extrusion plate (6) is extruded to drive the first wedge (71) to move horizontally, the first wedge (71) drives the upper and lower second wedges (73) to move vertically.

3. A tobacco leaf harvesting tool according to claim 2, characterized in that the inner wall of the transmission cavity (3) is provided with a sliding rail (8), two sliding blocks (9) are slidably connected to the sliding rail (8), and one end of the sliding block (9) away from the sliding rail (8) is connected with the second wedge block (73).

4. A tobacco leaf harvesting tool according to claim 2, wherein an outer sleeve plate (18) is arranged on the second wedge block (73), the inner walls of the upper outer sleeve plate (18) and the lower outer sleeve plate (18) are respectively connected with the outer walls of the first cutter (4) and the second cutter (5) in a sliding manner, and a telescopic rod (19) and a third elastic piece (20) are respectively arranged between the inner walls of the upper outer sleeve plate (18) and the lower outer sleeve plate and between the inner walls of the upper outer sleeve plate and the first cutter (4) and the second cutter (5).

5. A tobacco harvesting tool according to claim 1, wherein the connecting mechanism (2) comprises:

the connecting blocks (21) are arranged on the arc-shaped shells (1), and the connecting blocks (21) on the two arc-shaped shells (1) are distributed in a staggered mode;

the connecting shaft (22) is arranged between the two arc-shaped shells (1), and movably penetrates through the connecting blocks (21) and is rotationally connected with the connecting blocks.

6. The tobacco leaf harvesting tool according to claim 5, wherein both ends of the connecting shaft (22) are provided with a stopper (10), and a torsion spring (11) is arranged between the stopper (10) and the adjacent connecting block (21).

7. A tobacco leaf harvesting tool according to claim 1, wherein the outer walls of both arc-shaped shells (1) are provided with U-shaped blocks (12) for fingers to pass through, and the U-shaped blocks (12) are provided with elastic limiting belts (13) for limiting the fingers passing through the U-shaped blocks (12).

8. The tobacco harvesting tool of claim 1, further comprising:

the binding band (14) is arranged on the outer wall of the arc-shaped shell (1) and used for fixing the palm, and the binding band (14) is provided with a first magic tape (15) and a second magic tape (16) which are matched with each other;

and the limiting frame (17) is arranged on the outer wall of the arc-shaped shell (1) and is used for the binding belt (14) to pass through for fixing.