CN212589084U

CN212589084U - Vegetation pruning shear for forestry machinery

Info

Publication number: CN212589084U
Application number: CN202021410686.9U
Authority: CN
Inventors: 徐颖杰; 王小辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-02-26
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses a vegetation pruning sword that forestry machinery was used, including two alternately scissors pieces of rotating the installation, the bottom fixed mounting of scissors piece has the handle of a knife, including the handle of a knife is established to handle outer handle including interior handle and slip cap, one side fixed mounting that two interior handles are close to each other has same first spring, and first rectangular channel has been seted up on the top of outer handle, the outside movable contact of the inner wall of first rectangular channel and the interior handle that corresponds, and fixed mounting has the rectangle pole on the bottom inner wall of first rectangular channel. The utility model relates to a rationally, the setting of a plurality of first triangle pieces is convenient for carry out multistage adjustment to the total length of handle according to the vegetation of co-altitude for can prune the vegetation of higher department, the force of applying when can saving personnel to prune simultaneously, and be convenient for shorten the total length of handle after the use and fix it, avoid appearing the condition that the handle scatters when not using, portable satisfies the user demand.

Description

Vegetation pruning shear for forestry machinery

Technical Field

The utility model relates to a vegetation pruning shear technical field especially relates to a vegetation pruning shear that forestry machinery was used.

Background

In forestry production activities, a vegetation is frequently required to be trimmed so as to enable the vegetation to grow more vigorously or more beautiful, wherein a vegetation trimming knife is frequently required to be used when the vegetation is trimmed;

however, the length of the handle of the existing vegetation pruning knife for forestry machines is generally fixed, and the total length of the handle is not convenient to adjust according to actual needs, so branches and leaves at a higher position are not convenient to prune, the working efficiency is low, if a longer handle is directly selected, the vegetation pruning knife is not convenient to carry and cannot meet the use requirement, and therefore the vegetation pruning knife for forestry machines is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a vegetation pruning shear for forestry machinery.

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

a vegetation pruning knife for forestry machinery comprises two scissors blades which are installed in a crossed and rotating mode, a knife handle is fixedly installed at the bottom of each scissors blade and comprises an inner handle and an outer handle which is arranged on the inner handle in a sleeved mode in a sliding mode, the side, close to each other, of each inner handle is fixedly provided with a same first spring, the top end of each outer handle is provided with a first rectangular groove, the inner wall of each first rectangular groove is in movable contact with the outer side of the corresponding inner handle, a rectangular rod is fixedly installed on the inner wall of the bottom of each first rectangular groove, the inner handles are sleeved on the corresponding rectangular rods in a sliding mode, the inner wall of the side, far away from each other, of each first rectangular groove is provided with a first through hole with the top portion provided with an opening, a plurality of first triangular blocks are fixedly installed on the side, far away from the corresponding inner handles, of each first triangular block extend into the first through holes, the tops of the first triangular blocks are arranged into, the bottom of the first triangular block is set as a horizontal plane, the tops of the sides, far away from each other, of the two outer handles are fixedly provided with rectangular sleeves, the inner walls of the tops and the inner walls of the bottoms of the rectangular sleeves are fixedly provided with L-shaped positioning rods, the two L-shaped positioning rods in the same rectangular sleeve are symmetrically arranged, the two L-shaped positioning rods in the same rectangular sleeve are slidably sleeved with the same moving rod, one side, close to the corresponding outer handle, of the moving rod is fixedly provided with a second triangular block, one side, far away from the corresponding moving rod, of the second triangular block extends to a position between two first triangular blocks in the plurality of first triangular blocks, the bottom of the second triangular block is set as an inclined plane, the top of the second triangular block is set as a horizontal plane and is in movable contact with the bottom of one first triangular block in the plurality of corresponding first triangular blocks, and the inclined plane on the second triangular block is matched with the inclined plane, two rectangular positioning pipes are fixedly arranged on one side of the moving rod, which is far away from the corresponding second triangular block, the rectangular positioning pipes are slidably sleeved on the corresponding L-shaped positioning rods, one ends, which are far away from the moving rod, of the two rectangular positioning pipes on the same moving rod are fixedly connected with the same pull rod, one side, which is far away from the corresponding moving rod, of the pull rod is fixedly provided with a pull ring, one side, which is far away from the corresponding pull rod, of the pull ring extends out of the rectangular sleeve, one side, which is close to the two L-shaped positioning rods in the same rectangular sleeve, is fixedly provided with the same connecting rod, the rectangular positioning pipes are slidably sleeved on the corresponding connecting rod, one side, which is close to the corresponding moving rod, of the connecting rod and a same second spring are fixedly arranged between the moving rod, the bottoms on the right sides of the outer handles on the left side in the two, the left side bottom that is located the outer handle on right side has seted up the second draw-in groove, and second draw-in groove and kelly looks adaptation are equipped with fastening bolt in the second draw-in groove, and fastening bolt's bottom extends to the below of the outer handle that corresponds, is located left outer handle threaded sleeve and establishes on fastening bolt, fastening bolt and first draw-in groove looks adaptation.

Preferably, the outer side of the outer handle is fixedly sleeved with an elastic anti-slip rubber sleeve.

Preferably, the second rectangular channel has been seted up to the bottom of interior handle, the inner wall of second rectangular channel and the outside sliding connection of the rectangular rod that corresponds, and the spacing groove has all been seted up to one side that two rectangular rods are close to each other, and equal fixed mounting has a stopper on one side inner wall that two second rectangular channels are close to each other, stopper and the spacing groove sliding connection that corresponds.

Preferably, two first rectangular holes are formed in one side, away from the corresponding second triangular block, of the moving rod, and the inner wall of each first rectangular hole is in sliding connection with the outer side of the corresponding L-shaped positioning rod.

Preferably, the inner walls of the rectangular positioning pipes are connected with the outer sides of the corresponding L-shaped positioning rods in a sliding mode, the two rectangular positioning pipes located in the same rectangular sleeve are close to each other, a second rectangular hole is formed in one side, and the front side inner wall and the rear side inner wall of the second rectangular hole are connected with the outer sides of the corresponding connecting rods in a sliding mode respectively.

Preferably, a threaded hole is formed in the inner wall of the bottom of the second clamping groove and is in threaded connection with the fastening bolt.

Compared with the prior art, the beneficial effects of the utility model are that:

by matching the inner handle, the outer handle, the first rectangular groove, the rectangular rod, the first through hole, the first triangular block, the rectangular sleeve, the L-shaped positioning rod, the moving rod, the second triangular block, the rectangular positioning pipe, the pull rod, the second spring, the connecting rod, the clamping rod, the second clamping groove and the fastening bolt with the first clamping groove, when the total length of the handle needs to be adjusted in an extending mode, the outer handle is pulled downwards, the outer handle drives the second triangular block to downwards extrude the inclined surface of the first triangular block contacted with the outer handle through the corresponding rectangular sleeve and the moving rod, the extruding force drives the corresponding second triangular block to move towards the direction far away from the inner handle and compresses the second spring through the moving rod, along with the downward movement of the outer handle, the total length of the handle is lengthened, when the total length of the handle is adjusted according to actual needs, the pulling of the outer handle is stopped, the second triangular block is aligned with the two corresponding first triangular blocks, when the total length of the handle needs to be shortened, the pull ring is pulled towards the direction far away from the inner handle, the pull rod is driven by the corresponding pull rod and the two rectangular positioning pipes to slide on the L-shaped positioning rods and compress the first spring, the moving rod drives the corresponding second triangular block to move out of the two first triangular blocks, the outer handle is pushed upwards to drive the corresponding rectangular rod to slide in the second rectangular groove, the total length of the handle is shortened when the outer handle moves upwards, when the total length of the handle is shortened to the minimum, the outer handle is stopped to be pushed, the pulling force on the pull ring is released, at the moment, the elastic force of the second spring is reset, the corresponding moving rod drives the second triangular block to move between the two first triangular blocks, and then make outer handle fixed, rotate the kelly and align with the second draw-in groove immediately, rotate two outer handles and rotate to the direction that is close to each other, drive the kelly and remove gradually to the second draw-in groove in the time of being located left outer handle pivoted, rotate fastening bolt and remove to first draw-in groove in the forward direction immediately, and then make two outer handles fixed together.

The utility model relates to a rationally, the setting of a plurality of first triangle pieces is convenient for carry out multistage adjustment to the total length of handle according to the vegetation of co-altitude for can prune the vegetation of higher department, the force of applying when can saving personnel to prune simultaneously, and be convenient for shorten the total length of handle after the use and fix it, avoid appearing the condition that the handle scatters when not using, portable satisfies the user demand.

Drawings

Fig. 1 is a schematic sectional view of a vegetation pruning shear for forestry machinery according to the present invention;

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

FIG. 3 is a schematic view of a cross-sectional structure of a vegetation pruning knife for forestry machines according to the present invention after two knife handles are folded and fixed;

fig. 4 is an enlarged structural view of a portion B in fig. 3.

In the figure: 1 interior handle, 2 outer handles, 3 first rectangular channel, 4 rectangle poles, 5 first through-holes, 6 first triangle blocks, 7 rectangle sleeve pipes, 8L shape locating lever, 9 carriage release levers, 10 second triangle blocks, 11 rectangle locating tubes, 12 pull rods, 13 second springs, 14 connecting rods, 15 kellies, 16 second draw-in grooves, 17 fastening bolt, 18 first draw-in grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a vegetation pruning shear for forestry machinery comprises two shear blades which are installed in a crossed manner, a cutter handle is fixedly installed at the bottom of each shear blade and comprises an inner handle 1 and an outer handle 2 which is sleeved on the inner handle 1 in a sliding manner, the same first spring is fixedly installed at one side, close to each other, of the two inner handles 1, a first rectangular groove 3 is formed in the top end of the outer handle 2, the inner wall of the first rectangular groove 3 is in movable contact with the outer side of the corresponding inner handle 1, a rectangular rod 4 is fixedly installed on the inner wall of the bottom of the first rectangular groove 3, the inner handle 1 is sleeved on the corresponding rectangular rod 4 in a sliding manner, a first through hole 5 with the top arranged as an opening is formed in the inner wall of one side, far away from each other, of the two inner handles 1, a plurality of first triangular blocks 6 are fixedly installed at one side, far away from the corresponding inner handle 1, the first triangular blocks 6 extend into the first through hole 5, the top of the first triangular block 6 is an inclined plane, the bottom of the first triangular block 6 is a horizontal plane, the tops of the sides, away from each other, of the two outer handles 2 are fixedly provided with rectangular sleeves 7, the inner walls of the tops and the bottoms of the rectangular sleeves 7 are fixedly provided with L-shaped positioning rods 8, the two L-shaped positioning rods 8 in the same rectangular sleeve 7 are symmetrically arranged, the two L-shaped positioning rods 8 in the same rectangular sleeve 7 are slidably sleeved with the same moving rod 9, one side, close to the corresponding outer handle 2, of the moving rod 9 is fixedly provided with a second triangular block 10, one side, away from the corresponding moving rod 9, of the second triangular block 10 extends between two first triangular blocks 6 in the plurality of first triangular blocks 6, the bottom of the second triangular block 10 is an inclined plane, the top of the second triangular block 10 is a horizontal plane and is in movable contact with the bottom of one first triangular block 6 in the plurality of corresponding first triangular blocks 6, the inclined plane on the second triangular block 10 is matched with the inclined plane on the corresponding first triangular block 6, one side of the movable rod 9 far away from the corresponding second triangular block 10 is fixedly provided with two rectangular positioning pipes 11, the rectangular positioning pipes 11 are slidably sleeved on the corresponding L-shaped positioning rods 8, one ends of the two rectangular positioning pipes 11 on the same movable rod 9 far away from the movable rod 9 are fixedly connected with the same pull rod 12, one side of the pull rod 12 far away from the corresponding movable rod 9 is fixedly provided with a pull ring, one side of the pull ring far away from the corresponding pull rod 12 extends out of the rectangular sleeve 7, one side of the two L-shaped positioning rods 8 in the same rectangular sleeve 7 close to each other is fixedly provided with the same connecting rod 14, the rectangular positioning pipes 11 are slidably sleeved on the corresponding connecting rod 14, one side of the connecting rod 14 close to the corresponding movable rod 9 is fixedly provided with the same second spring 13 between the movable rod 9, the utility model relates to a multi-stage adjustable handle, which is characterized in that a clamping rod 15 is rotatably arranged at the bottom of the right side of the left outer handle 2 in the two outer handles 2, a first clamping groove 18 with the front side and the rear side both arranged with openings is arranged at the bottom of the left side of the outer handle 2 on the right side, a second clamping groove 16 is arranged at the bottom of the left side of the outer handle 2 on the right side, the second clamping groove 16 is matched with the clamping rod 15, a fastening bolt 17 is arranged in the second clamping groove 16, the bottom of the fastening bolt 17 extends to the lower part of the corresponding outer handle 2, the threaded sleeve of the outer handle 2 on the left side is arranged on the fastening bolt 17, and the fastening bolt 17 is matched with the first clamping groove 18, the utility model has the advantages that the design is reasonable, the arrangement of a plurality of first triangular blocks 6 is convenient, the multi-stage adjustment of the total length of the handle can be carried out according to the vegetation with, the handle is prevented from being scattered when not in use, is convenient to carry, and meets the use requirements.

In the utility model, the outer fixing sleeve of the outer handle 2 is provided with an elastic anti-slip rubber sleeve, the bottom of the inner handle 1 is provided with a second rectangular groove, the inner wall of the second rectangular groove is connected with the outer side of the corresponding rectangular rod 4 in a sliding way, one side of the two rectangular rods 4 close to each other is provided with a limit groove, the inner wall of one side of the two second rectangular grooves close to each other is fixedly provided with a limit block, the limit block is connected with the corresponding limit groove in a sliding way, one side of the movable rod 9 far away from the corresponding second triangular block 10 is provided with two first rectangular holes, the inner wall of the first rectangular hole is connected with the outer side of the corresponding L-shaped positioning rod 8 in a sliding way, the inner wall of the rectangular positioning pipe 11 is connected with the outer side of the corresponding L-shaped positioning rod 8 in a sliding way, one side of the two rectangular positioning pipes 11 close to each other in the same rectangular sleeve 7 is provided with a second rectangular hole, the front inner wall and the rear inner wall of the, set up threaded hole on the bottom inner wall of second draw-in groove 16, screw hole and 17 threaded connection of fastening bolt, the utility model relates to a rationally, the setting of a plurality of first triangle pieces 6 is convenient for carry out multistage adjustment to the total length of handle according to the vegetation of co-altitude not for can prune the vegetation of higher department, the power of exerting when can saving personnel to prune simultaneously, and be convenient for shorten the total length of handle after the use and fix it, avoid the condition that the handle scatters appearing when not using, portable satisfies the user demand.

The working principle is as follows: when the handle is used, when the total length of the handle needs to be adjusted, the outer handle 2 is pulled downwards, the outer handle 2 drives the corresponding rectangular sleeve 7 to move downwards, the rectangular sleeve 7 drives the second triangular block 10 to move downwards through the corresponding moving rod 9 while moving downwards, the inclined surface of the second triangular block 10 presses the inclined surface of the first triangular block 6 contacted with the second triangular block while moving downwards, the pressing force drives the corresponding second triangular block 10 to move towards the direction far away from the inner handle 1, the second triangular block 10 drives the corresponding moving rod 9 to slide on the L-shaped positioning rod 8, the moving rod 9 compresses the corresponding second spring 13 while moving, the total length of the handle is increased along with the downward movement of the outer handle 2, when the total length of the handle is adjusted according to actual needs, the outer handle 2 is stopped to be pulled, and the second triangular block 10 is aligned with the two corresponding first triangular blocks 6, the second spring 13 in a compressed state is reset, the elastic force of the second spring 13 drives the corresponding second triangular block 10 to move between the two aligned first triangular blocks 6 through the corresponding moving rod 9, so that the outer handle 2 is fixed, the adjustment of the total length of the handle is completed, the multiple first triangular blocks 6 are arranged, the total length of the handle can be conveniently adjusted in multiple stages according to vegetation of different heights, the vegetation at a higher position can be trimmed, and the force applied by personnel during trimming can be saved along with the increase of the total length of the handle;

when the total length of the handle needs to be shortened, the pull ring is pulled towards the direction far away from the inner handle 1, the pull ring drives the corresponding pull rod 12 to move, the clamping rod 12 drives the moving rod 9 to slide on the L-shaped positioning rod 8 through the corresponding two rectangular positioning pipes 11, the moving rod 9 compresses the corresponding first spring 13, the moving rod 9 drives the corresponding second triangular block 10 to move out from between the two first triangular blocks 6 and stagger with the first triangular block 6 while moving, then the outer handle 2 is pushed upwards, the outer handle 2 drives the corresponding rectangular rod 3 to slide in the second rectangular groove, the total length of the handle is shortened while the outer handle 2 moves upwards, when the total length of the handle is shortened to the shortest, the outer handle 2 is stopped to be pushed, the pulling force on the pull ring is released, at the moment, the elastic force of the second spring 13 in a compression state drives the second triangular block 10 to move between the two first triangular blocks 6 through the corresponding moving rod 9, and then make outer handle 2 fixed, rotate kelly 15 next to align with second draw-in groove 16, rotate two outer handle 2, make two outer handle 2 rotate to the direction that is close to each other, it drives kelly 15 and moves gradually to second draw-in groove 16 when being located left outer handle 2 pivoted, kelly 15 clamps mutually with second draw-in groove 16, fastening bolt 17 is rotated forward next, move gradually to first draw-in groove 18 when fastening bolt 17 rotates, first draw-in groove 18 clamps mutually with fastening bolt 17, and then make two outer handle 2 fix together, the condition that two handles scatter when avoiding not using appears, and is convenient for carry.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A vegetation pruning knife for forestry machinery comprises two scissors blades which are installed in a crossed and rotating mode, wherein a knife handle is fixedly installed at the bottom of each scissors blade, the vegetation pruning knife is characterized in that the knife handle comprises an inner handle (1) and an outer handle (2) which is sleeved on the inner handle (1) in a sliding mode, one side, close to each other, of each of the two inner handles (1) is fixedly provided with a same first spring, the top end of the outer handle (2) is provided with a first rectangular groove (3), the inner wall of each first rectangular groove (3) is in movable contact with the outer side of the corresponding inner handle (1), the inner wall of the bottom of each first rectangular groove (3) is fixedly provided with a rectangular rod (4), the inner handle (1) is sleeved on the corresponding rectangular rod (4) in a sliding mode, the inner wall, far away from each of the two first rectangular grooves (3) is provided with a first through hole (5) with the top arranged as an opening, one side, far away from each of the two inner handles (1) is fixedly provided with, one side of the first triangular block (6) far away from the corresponding inner handle (1) extends into the first through hole (5), the top of the first triangular block (6) is provided with an inclined plane, the bottom of the first triangular block (6) is provided with a horizontal plane, the tops of the sides far away from each other of the two outer handles (2) are fixedly provided with rectangular sleeves (7), the inner walls of the tops and the inner walls of the bottoms of the rectangular sleeves (7) are fixedly provided with L-shaped positioning rods (8), the two L-shaped positioning rods (8) positioned in the same rectangular sleeve (7) are symmetrically arranged, the two L-shaped positioning rods (8) positioned in the same rectangular sleeve (7) are slidably sleeved with the same movable rod (9), one side of the movable rod (9) close to the corresponding outer handle (2) is fixedly provided with a second triangular block (10), one side of the second triangular block (10) far away from the corresponding movable rod (9) extends to between two first triangular blocks (6) in the plurality of first triangular blocks (6), the bottom of the second triangular block (10) is set as an inclined plane, the top of the second triangular block (10) is set as a horizontal plane and is movably contacted with the bottom of one first triangular block (6) in the plurality of corresponding first triangular blocks (6), the inclined plane on the second triangular block (10) is matched with the inclined plane on the corresponding first triangular block (6), one side of the movable rod (9) far away from the corresponding second triangular block (10) is fixedly provided with two rectangular positioning pipes (11), the rectangular positioning pipes (11) are slidably sleeved on the corresponding L-shaped positioning rods (8), one end of each of the two rectangular positioning pipes (11) on the same movable rod (9) far away from the movable rod (9) is fixedly connected with the same pull rod (12), one side of the pull rod (12) far away from the corresponding movable rod (9) is fixedly provided with a pull ring, one side of the pull ring far away from the corresponding pull rod (12) extends out of the rectangular sleeve (7), one side, close to each other, of two L-shaped positioning rods (8) in the same rectangular sleeve (7) is fixedly provided with the same connecting rod (14), a rectangular positioning tube (11) is sleeved on the corresponding connecting rod (14) in a sliding manner, the same second spring (13) is fixedly arranged between one side, close to the corresponding moving rod (9), of the connecting rod (14) and the moving rod (9), a clamping rod (15) is rotatably arranged at the bottom of the right side of the outer handle (2) on the left side in the two outer handles (2), the bottom of the left side of the clamping rod (15) is provided with a first clamping groove (18) with the front side and the rear side both provided with openings, the bottom of the outer handle (2) on the right side is provided with a second clamping groove (16), the second clamping groove (16) is matched with the clamping rod (15), a fastening bolt (17) is arranged in the second clamping groove (16), the bottom of the fastening bolt (17) extends to the lower part of the corresponding outer, the outer handle (2) positioned on the left side is sleeved on the fastening bolt (17) in a threaded manner, and the fastening bolt (17) is matched with the first clamping groove (18).

2. A vegetation pruning shear for forestry machines according to claim 1, wherein an elastic non-slip rubber sleeve is fixedly sleeved on the outer side of the outer handle (2).

3. The vegetation pruning shear for the forestry machines according to claim 1, wherein a second rectangular groove is formed in the bottom of the inner handle (1), the inner wall of the second rectangular groove is connected with the corresponding rectangular rods (4) in a sliding manner, a limiting groove is formed in one side, close to each other, of each rectangular rod (4), a limiting block is fixedly mounted on the inner wall of one side, close to each other, of each rectangular rod, and the limiting block is connected with the corresponding limiting groove in a sliding manner.

4. A vegetation pruning shear for forestry machines according to claim 1, wherein two first rectangular holes are formed in one side of the movable rod (9) away from the corresponding second triangular block (10), and the inner wall of each first rectangular hole is slidably connected with the outer side of the corresponding L-shaped positioning rod (8).

5. The vegetation pruning shear for the forestry machines according to claim 1, wherein the inner walls of the rectangular positioning pipes (11) are slidably connected with the outer sides of the corresponding L-shaped positioning rods (8), second rectangular holes are formed in the sides, close to each other, of the two rectangular positioning pipes (11) in the same rectangular sleeve (7), and the front side inner wall and the rear side inner wall of each second rectangular hole are slidably connected with the outer sides of the corresponding connecting rods (14) respectively.

6. A vegetation pruning shear for forestry machines according to claim 1, wherein a threaded hole is formed in the bottom inner wall of the second clamping groove (16), and the threaded hole is in threaded connection with the fastening bolt (17).