CN219939037U

CN219939037U - Branch pruning mechanism

Info

Publication number: CN219939037U
Application number: CN202321314558.8U
Authority: CN
Inventors: 刘芳
Original assignee: Gao'an City Shansheng Disease And Pest Control Co ltd
Current assignee: Gao'an City Shansheng Disease And Pest Control Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-11-03
Anticipated expiration: 2033-05-26

Abstract

The utility model relates to the technical field of branch pruning, in particular to a branch pruning mechanism which comprises shearing arms, wherein the tops of the two shearing arms are fixedly connected with shearing heads, the outer walls of the two shearing heads are rotationally connected with pin shafts, the upper parts of the outer walls of the two shearing arms are rotationally connected with the two ends of a reset spring through rotating shafts, extension devices are arranged in the two shearing arms, and a fixing ring is fixedly connected below the outer walls of the left shearing arms. Through the cooperation between knob, small-size worm wheel, trough of belt bull stick and the slider, the user passes through the rotation knob, and the knob drives small-size worm and rotates, and small-size worm wheel drive small-size worm wheel rotates slowly, and small-size worm wheel drives trough of belt bull stick and rotates, and trough of belt bull stick can make two sliders move right simultaneously through the spout, and the slider drives the extension arm and removes to the realization is extended the length of arm of cutting, can prune the branching of eminence, makes the pruning more convenient.

Description

Branch pruning mechanism

Technical Field

The utility model relates to the technical field of branch pruning, in particular to a branch pruning mechanism.

Background

The artificial forestation is to scientifically move according to ecological adaptability and growth and development rules of the forest in a technical requirement in an artificial mode, redundant branches need to be cut off in order to ensure the growth of the tree in the forestation process, so that the branches are prevented from absorbing nutrients of trunks, and a branch pruning mechanism is needed in the pruning process.

For example, an authorized bulletin number CN209643406U is a forestry branch pruning device, which comprises a connecting block, a through hole structure is formed on the connecting block, and a torsion spring is arranged in the through hole structure on the connecting block, although the file has the advantage of convenient carrying, when the pruning device in the file is used, a user can fold two clamping scissors by rotating an arm rod, so that branches of trees are pruned, but the positions required to be pruned are different due to different varieties and heights of the trees, and the pruning device in the file cannot adjust the length of the arm rod, so that when the trees at high positions are pruned, the user needs to prune by means of external tools, and the inconvenience of pruning is caused.

Disclosure of Invention

The utility model aims to solve the problem that the length of an arm rod cannot be adjusted by the pruning device in the document, so that a user can prune trees at a high position only by means of an external tool, and the pruning is inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a branch pruning mechanism, includes the arm of cutting, two the equal rigid coupling in top of arm of cutting has the scissors head, two the outer wall of scissors head all rotates with the round pin axle to be connected, two the outer wall top of arm of cutting rotates through the both ends of pivot and reset spring to be connected, two the inside of arm of cutting all is provided with extension device, the below the outer wall below rigid coupling of arm of cutting has solid fixed ring.

Preferably, the extension device comprises a knob, the outer wall of the knob is rotationally connected with the scissor arm, one end of the knob is fixedly connected with a small worm, the front end of the small worm is meshed with a small worm wheel, the bottom end of the small worm wheel is fixedly connected with a grooved rotating rod, and the outer wall of the grooved rotating rod is in sliding connection with two sliding blocks through a sliding groove.

Preferably, one end of the sliding block is fixedly connected with the extension arm, and the bottom end of the extension arm is fixedly connected with a handle.

Preferably, the outer wall of the small worm wheel is rotationally connected with the shearing arm through a rotating shaft.

Preferably, the lower part of the outer wall of the shearing arm above is rotationally connected with the hook through a rotating shaft, and the outer wall of the hook is in sliding clamping connection with the fixing ring.

The branch pruning mechanism provided by the utility model has the beneficial effects that: through the cooperation between knob, small-size worm wheel, trough of belt bull stick and the slider, the user passes through the rotation knob, and the knob drives small-size worm and rotates, and small-size worm wheel drive small-size worm wheel rotates slowly, and small-size worm wheel drives trough of belt bull stick and rotates, and trough of belt bull stick can make two sliders move right simultaneously through the spout, and the slider drives the extension arm and removes to the realization is extended the length of arm of cutting, can prune the branching of eminence, makes the pruning more convenient.

Drawings

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

FIG. 2 is a schematic front plan view of the interconnect structure of FIG. 1;

FIG. 3 is an enlarged perspective view of a portion of the connecting structure of FIG. 2;

fig. 4 is a schematic diagram of a connection structure at a in fig. 2.

In the figure: 1. shearing arm, 2, shearing head, 3, round pin axle, 4, extension device, 401, knob, 402, small-size worm, 403, small-size worm wheel, 404, grooved rotating rod, 405, slider, 4A1, handle cover, 4A2, hand line, 5, reset spring, 6, solid fixed ring, 7, couple, 8, extension arm, 9, handle.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

example 1:

referring to fig. 1-4, in this embodiment: the utility model provides a branch pruning mechanism, including shearing arm 1, the equal rigid coupling in top of two shearing arms 1 has scissors head 2, scissors head 2 is used for pruning the branch, the outer wall of two scissors heads 2 all rotates with round pin axle 3 to be connected, two scissors heads 2 rotate along round pin axle 3, the outer wall top of two shearing arms 1 is rotated through the both ends of pivot and reset spring 5 and is connected, when two to middle removal, can compress reset spring 5, reset spring 5's elastic coefficient is 20-30N/cm, the inside of two shearing arms 1 all is provided with the extension device 4 that is used for extending the length of shearing arm 1, the outer wall below rigid coupling of below shearing arm 1 has solid fixed ring 6.

The extension device 4 comprises a knob 401, a small worm 402, a small worm wheel 403, a grooved rotating rod 404 and a sliding block 405, wherein the outer wall of the knob 401 is in rotary connection with the scissor arm 1, one end of the knob 401 is fixedly connected with the small worm 402, the knob 401 drives the small worm 402 to rotate, the front end of the small worm 402 is in meshed connection with the small worm wheel 403, the small worm 402 drives the small worm wheel 403 to slowly rotate, the bottom end of the small worm wheel 403 is fixedly connected with the grooved rotating rod 404, the small worm wheel 403 drives the grooved rotating rod 404 to rotate, the outer wall of the grooved rotating rod 404 is in sliding connection with the two sliding blocks 405 through sliding grooves, and the two sliding blocks 405 simultaneously move downwards or upwards through the sliding grooves when the grooved rotating rod 404 rotates;

the user rotates knob 401, and knob 401 drives small-size worm 402 and rotates, and small-size worm 402 drives small-size worm wheel 403 and slowly rotates, and small-size worm wheel 403 drives fluted bull stick 404 and rotates, and fluted bull stick 404 can make two sliders 405 move right simultaneously through the spout, and slider 405 drives extension arm 8 and removes to the realization is extended the length of arm 1 that cuts, can prune the branching of eminence, makes to prune more convenient.

One end of the sliding block 405 is fixedly connected with the extension arm 8, the sliding block 405 drives the extension arm 8 to move, the bottom end of the extension arm 8 is fixedly connected with the grip 9, the extension arm 8 drives the grip 9 to move, the extension arm 8 can rotate through the grip 9, the outer wall of the small worm wheel 403 is rotationally connected with the shearing arm 1 through a rotating shaft, the lower part of the outer wall of the upper shearing arm 1 is rotationally connected with the hook 7 through the rotating shaft, the hook 7 can freely rotate along the joint with the upper shearing arm 1, the outer wall of the hook 7 is in sliding clamping connection with the fixed ring 6, and the hook 7 is inserted into the fixed ring 6, so that the two shearing arms 1 are folded and are convenient to carry.

Working principle:

when the branch pruning mechanism is used, firstly, a user moves the pruning mechanism to the side of a tree needing to be pruned, then presses the handle 9 to the middle, the handle 9 drives the shearing arm 1 to move through the extension arm 8, so that a gap appears between the fixed ring 6 and the hook 7, the hook 7 can rotate downwards under the action of gravity, and is separated from the fixed ring 6, the movement of the shearing arm 1 is not limited, at the moment, the handle 9 on one side is loosened, the return spring 5 rebounds, so that the two shearing arms 1 are far away, the shearing arm 1 drives the shearing head 2 to rotate along the pin shaft 3, the two shearing heads 2 are separated, the shearing head 2 is moved to a branching position, the handle 9 is pressed to the middle again, the shearing head 2 is enabled to prune the branch, when the branches at a high position need to be pruned, the user drives the small worm 402 to rotate through rotating the knob 401, the small worm 402 drives the small worm 403 to slowly rotate, the rotating rod 404 drives the groove 404 to rotate through the chute, the two sliding blocks 405 to simultaneously move rightwards, the sliding blocks 405 drive the worm wheel 8 to move along the pin shaft 3, the shearing head 2 is enabled to move along the length of the extension arm 1, and the branch pruning device can be used for pruning more conveniently.

Example 2:

referring to fig. 1-4, in this embodiment: the branch pruning mechanism is characterized in that an extension device 4 is further arranged on the outer wall of a grip 9, the extension device 4 comprises a handle sleeve 4A1 and handprints 4A2, the inner wall of the handle sleeve 4A1 is tightly attached to the grip 9, the handle sleeve 4A1 is made of special rubber materials, the branch pruning mechanism has sweat absorbing and anti-skid functions, and the handprints 4A2 are formed on the outer wall of the handle sleeve 4A 1;

the user can increase the friction between the grip 9 and the palm of the user by sleeving the grip sleeve 4A1 on the grip 9, and the hand patterns 4A2 can further increase the friction, so that the use is convenient.

Working principle:

when the embodiment works, a user can increase the friction force between the grip 9 and the palm of the user by sleeving the sleeve 4A1 on the grip 9, and the hand patterns 4A2 can further increase the friction force, so that the device is convenient to use and the device is used.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.

Claims

1. Branch pruning mechanism, including cutting arm (1), its characterized in that: the top of two cut arm (1) all rigid coupling has scissors head (2), two the outer wall of scissors head (2) all rotates with round pin axle (3) to be connected, two the outer wall top of cutting arm (1) rotates through the both ends of pivot and reset spring (5) to be connected, two the inside of cutting arm (1) all is provided with extension device (4), below the outer wall below rigid coupling of cutting arm (1) has solid fixed ring (6).

2. The branch trimming mechanism of claim 1, wherein: the extension device (4) comprises a knob (401), the outer wall of the knob (401) is rotationally connected with a shearing arm (1), one end of the knob (401) is fixedly connected with a small worm (402), the front end of the small worm (402) is meshed with a small worm wheel (403), the bottom end of the small worm wheel (403) is fixedly connected with a grooved rotating rod (404), and the outer wall of the grooved rotating rod (404) is in sliding connection with two sliding blocks (405) through sliding grooves.

3. A branch trimming mechanism according to claim 2, wherein: one end of the sliding block (405) is fixedly connected with the extension arm (8), and the bottom end of the extension arm (8) is fixedly connected with the handle (9).

4. A branch trimming mechanism according to claim 2, wherein: the outer wall of the small worm wheel (403) is rotationally connected with the shearing arm (1) through a rotating shaft.

5. The branch trimming mechanism of claim 1, wherein: the lower part of the outer wall of the shear arm (1) above is rotationally connected with the hook (7) through a rotating shaft, and the outer wall of the hook (7) is in sliding clamping connection with the fixed ring (6).