CN220359763U

CN220359763U - Labor-saving and convenient fruit tree pruning knife

Info

Publication number: CN220359763U
Application number: CN202321921398.3U
Authority: CN
Inventors: 徐晓厚
Original assignee: Longkou Modern Fruit Tree Technology Research Institute
Current assignee: Longkou Modern Fruit Tree Technology Research Institute
Priority date: 2023-07-20
Filing date: 2023-07-20
Publication date: 2024-01-19
Anticipated expiration: 2033-07-20

Abstract

The utility model discloses a labor-saving convenient fruit tree pruning tool, which relates to the technical field of pruning tools and comprises a hollow column, wherein the upper end of the hollow column is fixedly connected with a transverse bar, a sliding cavity is formed in the transverse bar, both ends of the sliding cavity are respectively and slidably connected with a threaded block, the upper end of the threaded block is fixedly connected with a cutting blade, the interior of the transverse bar is rotationally connected with a bidirectional screw rod, threads at both ends of the bidirectional screw rod are respectively and spirally connected with the threaded blocks, the lower end of the hollow column is rotationally connected with a driving shaft, and a transmission assembly for transmission is arranged between the bidirectional screw rod and the driving shaft; the extension length of the sliding rod can be adjusted through the locking component when the sliding rod is used, so that when branches which are difficult to cut are encountered, the driving force of the driving shaft can be increased through increasing the length of the driving arm, and the sliding rod is more labor-saving when in use.

Description

Labor-saving and convenient fruit tree pruning knife

Technical Field

The utility model relates to the technical field of pruning tools, in particular to a labor-saving and convenient fruit tree pruning tool.

Background

Pruning the fruit trees is a technical measure of pruning a part of the fruit tree nutrition organs to adjust the crown structure and update the branch composition; the crown of the fruit tree expands with the growth of the tree age, and the too many branches and leaves can cause the consequences of external density, internal space, premature senility, serious years old, reduced fruit yield, reduced quality and the like. The timely and reasonable pruning has the following effects of regulating the reasonable distribution of branches and leaves, regulating the growth and the result, regulating the composition proportion of branches, balancing the growth vigor among group plants and among main branches on a plant, thereby achieving balanced yield and being convenient for management. In addition, pruning is also a means of enabling the overground parts to grow in coordination with the root system.

In the pruning of fruit trees, a pruning tool is needed, most of existing pruning tools are scissors pruning tools at present, the working principle of the pruning tool is to drive a tool bit to prune by utilizing the lever principle, but the pruning tool is very laborious when pruning relatively thick branches, a user needs to spend great effort to prune the branches, and the situation of hand ache can occur after continuous work, so that the labor-saving and convenient fruit tree pruning tool is improved to solve the problems.

Disclosure of Invention

The utility model aims to provide a labor-saving and convenient fruit tree pruning tool, which aims to solve the problems in the background technology.

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

the utility model provides a laborsaving convenient fruit tree pruning shear, includes the hollow post, hollow post upper end fixedly connected with is horizontal the strip piece, set up the sliding chamber in the horizontal strip piece, the both ends in sliding chamber all sliding connection has the screw thread piece, the equal fixedly connected with cutting blade in screw thread piece upper end, the inside rotation of horizontal strip piece is connected with two-way lead screw, the screw thread at two ends of two-way lead screw respectively with screw thread piece threaded connection, the lower extreme rotation of hollow post is connected with the drive shaft, install the drive assembly who is used for the transmission between two-way lead screw and the drive shaft;

one end of the driving shaft is provided with a driving component for driving the driving shaft to rotate.

As a further scheme of the utility model: the transmission assembly comprises a first synchronous belt pulley, the first synchronous belt pulley is arranged in the middle of the bidirectional screw rod, a second synchronous belt pulley is arranged in the middle of the driving shaft, and a synchronous belt is arranged between the first synchronous belt pulley and the second synchronous belt pulley.

As still further aspects of the utility model: the driving assembly comprises a hollow sleeve, the hollow sleeve is fixedly connected to the position of one end of the driving shaft, a sliding rod is slidably connected to the hollow sleeve, a plurality of locking holes are formed in the sliding rod, a locking assembly used for locking the position of the sliding rod in cooperation with the locking holes is arranged on the hollow sleeve, and a rotating handle is fixedly connected to one end, far away from the hollow sleeve, of the sliding rod.

As still further aspects of the utility model: the locking assembly comprises an installation box, the installation box is fixedly connected to the position of the upper end of one side of the hollow sleeve, bolts used for being inserted into locking holes to lock sliding rods are slidably connected in the installation box, sliding check blocks are installed at the positions of the bolts inside the installation box, springs are installed between the sliding check blocks and one side, far away from the hollow sleeve, of the installation box, and a handle is fixedly connected to one end, far away from the hollow sleeve, of each bolt.

As still further aspects of the utility model: the lower extreme of hollow post all fixedly connected with handle.

As still further aspects of the utility model: the surfaces of the handle and the rotating handle are wrapped with rubber sleeves.

As still further aspects of the utility model: the surface of the rubber sleeve is carved with anti-skid patterns.

As still further aspects of the utility model: the diameter of the first synchronous pulley is larger than that of the second synchronous pulley.

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

1. according to the utility model, the two cutting blades can be driven to move when the fruit tree branch pruning tool is used through the driving assembly and the transmission assembly, so that the fruit tree branch pruning tool is used for pruning fruit tree branches, and the second synchronous belt pulley is smaller than the first synchronous belt pulley in diameter, so that the second synchronous belt pulley drives the first synchronous belt pulley to be of a labor-saving structure, meanwhile, the bidirectional screw rod drives the screw thread block to be of a screw thread transmission and is labor-saving, and through arrangement of the two labor-saving structures, the fruit tree branches can be pruned easily only by rotating the rotating handle when the fruit tree branches are pruned, thereby realizing pruning, and being convenient to use, and avoiding hand ache caused by a traditional pruning tool.

2. According to the utility model, the extension length of the sliding rod can be adjusted through the locking assembly, so that when branches which are difficult to cut are encountered, the driving force of the driving shaft can be increased by increasing the length of the driving arm, and the labor is saved during use.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic cross-sectional view of the present utility model.

FIG. 3 is a schematic cross-sectional view of the hollow sleeve of the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 3 a in the present utility model.

Wherein: 1. a hollow column; 2. transverse strip blocks; 3. a cutting blade; 4. a rotating handle; 5. a hollow sleeve; 6. a sliding block; 7. a handle; 8. a first synchronous pulley; 9. a sliding chamber; 10. a two-way screw rod; 11. a second synchronous pulley; 12. a drive shaft; 13. a synchronous belt; 14. a slide bar; 15. a locking hole; 16. a handle; 17. a mounting box; 18. a plug pin; 19. a spring; 20. a threaded block.

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.

Example 1

Referring to fig. 1-4, in the embodiment of the utility model, a labor-saving and convenient fruit tree pruning tool comprises a hollow column 1, wherein the upper end of the hollow column 1 is fixedly connected with a transverse bar 2, a sliding cavity 9 is formed in the transverse bar 2, both ends of the sliding cavity 9 are slidably connected with a thread block 20, the upper ends of the thread blocks 20 are fixedly connected with a cutting blade 3, a bidirectional screw rod 10 is rotatably connected inside the transverse bar 2, threads at both ends of the bidirectional screw rod 10 are respectively in threaded connection with the thread block 20, the lower end of the hollow column 1 is rotatably connected with a driving shaft 12, and a transmission assembly for transmission is arranged between the bidirectional screw rod 10 and the driving shaft 12; the lower end of the hollow column 1 is fixedly connected with a handle 7.

The drive assembly and the transmission assembly that through setting up can drive two cutting blade 3 motions when using, realize the shearing to the fruit tree branch, because the diameter of second synchronous pulley 11 is less than first synchronous pulley 8, consequently second synchronous pulley 11 drives first synchronous pulley 8 and is laborsaving structure, two-way lead screw 10 drive screw thread piece 20 simultaneously be the screw drive with laborsaving, through the arrangement of two laborsaving structures for only need rotatory rotation 4 can easily cut the branch when shearing the branch, realize pruning, convenient to use has avoided the condition of the hand ache that traditional clipper appears.

The transmission assembly comprises a first synchronous pulley 8, the first synchronous pulley 8 is arranged in the middle of a bidirectional screw rod 10, a second synchronous pulley 11 is arranged in the middle of a driving shaft 12, and a synchronous belt 13 is arranged between the first synchronous pulley 8 and the second synchronous pulley 11; the diameter of the first pulley 8 is larger than the diameter of the second pulley 11.

When the bidirectional screw rod 10 works, the driving shaft 12 rotates to drive the second synchronous pulley 11 to rotate, the second synchronous pulley 11 rotates to drive the synchronous belt 13 to rotate, the synchronous belt 13 rotates to drive the first synchronous pulley 8 to rotate, and the first synchronous pulley 8 rotates to drive the bidirectional screw rod 10 to rotate.

One end of the driving shaft 12 is provided with a driving component for driving the driving shaft 12 to rotate; the driving assembly comprises a hollow sleeve 5, the hollow sleeve 5 is fixedly connected to the position of one end of a driving shaft 12, a sliding rod 14 is connected in a sliding manner in the hollow sleeve 5, a plurality of locking holes 15 are formed in the sliding rod 14, a locking assembly for locking the position of the sliding rod 14 in cooperation with the locking holes 15 is arranged on the hollow sleeve 5, and a rotating handle 4 is fixedly connected to one end, far away from the hollow sleeve 5, of the sliding rod 14; the extension length of the sliding rod 14 can be adjusted during use by the locking assembly, so that when branches which are difficult to cut are encountered, the driving force of the driving shaft 12 can be increased by increasing the length of the driving arm, and the labor is saved during use.

The locking assembly comprises a mounting box 17, wherein the mounting box 17 is fixedly connected to the upper end of one side of the hollow sleeve 5, bolts 18 for being inserted into locking holes 15 to lock sliding rods 14 are slidably connected in the mounting box 17, sliding stop blocks 6 are mounted at positions of the bolts 18 in the mounting box 17, springs 19 are mounted between the sliding stop blocks 6 and one side, far away from the hollow sleeve 5, of the mounting box 17, and a handle 16 is fixedly connected to one end, far away from the hollow sleeve 5, of each bolt 18;

when the extension length of the sliding rod 14 needs to be adjusted, the bolt 18 is pulled out of the locking hole 15 by pulling the handle 16, the locking hole 15 can be pulled to adjust after the bolt is pulled out, the handle 16 is released after the adjustment is completed, and the bolt 18 is reset and inserted into the corresponding locking hole 15 under the action of the spring 19 to lock the sliding rod 14.

Example 2

The difference from example 1 is that: rubber sleeves are wrapped on the surfaces of the handle 7 and the rotating handle 4; the surface of the rubber sleeve is carved with anti-skid patterns; the situation that the hand slips when the handle 4 or the handle 7 is rotated can be avoided through the rubber sleeve and the anti-skid pattern.

The working principle of the utility model is as follows: when the two-way cutting device is used, one hand holds the handle 7, the other hand holds the rotating handle 4 to rotate the hollow sleeve 5, the hollow sleeve 5 rotates to drive the driving shaft 12 to rotate, the driving shaft 12 rotates to drive the second synchronous pulley 11 to rotate, the second synchronous pulley 11 rotates to drive the synchronous belt 13 to rotate, the synchronous belt 13 rotates to drive the first synchronous pulley 8 to rotate, the first synchronous pulley 8 rotates to drive the two-way screw rod 10 to rotate, the two-way screw rod 10 rotates to drive the two thread blocks 20 to synchronously move, the two thread blocks 20 drive the two cutting blades 3 to synchronously close, and then the cutting of branches is realized, and the two-way cutting device is convenient to use and high in practicability.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Although the present disclosure describes embodiments in terms of one embodiment, not every embodiment is provided with only one embodiment, and the description is for clarity only, and those skilled in the art should recognize that the embodiments described in the disclosure may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

Claims

1. The utility model provides a laborsaving convenient fruit tree pruning shear, includes hollow post (1), its characterized in that: the novel cutting device is characterized in that the upper end of the hollow column (1) is fixedly connected with a transverse bar block (2), a sliding cavity (9) is formed in the transverse bar block (2), two ends of the sliding cavity (9) are all connected with threaded blocks (20) in a sliding mode, the upper ends of the threaded blocks (20) are all fixedly connected with cutting blades (3), a bidirectional screw rod (10) is rotatably connected inside the transverse bar block (2), threads at two ends of the bidirectional screw rod (10) are respectively connected with the threaded blocks (20) in a threaded mode, a driving shaft (12) is rotatably connected at the lower end of the hollow column (1), and a transmission assembly for transmission is installed between the bidirectional screw rod (10) and the driving shaft (12);

one end of the driving shaft (12) is provided with a driving component for driving the driving shaft (12) to rotate.

2. The labor-saving convenient fruit tree pruning shear according to claim 1, wherein the transmission assembly comprises a first synchronous pulley (8), the first synchronous pulley (8) is arranged at a position in the middle of the bidirectional screw rod (10), a second synchronous pulley (11) is arranged in the middle of the driving shaft (12), and a synchronous belt (13) is arranged between the first synchronous pulley (8) and the second synchronous pulley (11).

3. The labor-saving convenient fruit tree pruning shear according to claim 1, wherein the driving assembly comprises a hollow sleeve (5), the hollow sleeve (5) is fixedly connected to the position of one end of the driving shaft (12), a sliding rod (14) is connected in a sliding manner in the hollow sleeve (5), a plurality of locking holes (15) are formed in the sliding rod (14), a locking assembly for locking the position of the sliding rod (14) in a matching manner with the locking holes (15) is arranged on the hollow sleeve (5), and one end, far away from the hollow sleeve (5), of the sliding rod (14) is fixedly connected with a rotating handle (4).

4. A labor-saving convenient fruit tree pruning shear according to claim 3, characterized in that the locking assembly comprises a mounting box (17), the mounting box (17) is fixedly connected to the position of one side upper end of the hollow sleeve (5), bolts (18) for being inserted into the locking holes (15) to lock the sliding rod (14) are slidably connected in the mounting box (17), sliding check blocks (6) are mounted at positions of the bolts (18) in the mounting box (17), springs (19) are mounted between the sliding check blocks (6) and one side, far away from the hollow sleeve (5), of the mounting box (17), and one end, far away from the hollow sleeve (5), of each bolt (18) is fixedly connected with a handle (16).

5. The labor-saving convenient fruit tree pruning shear according to claim 4, wherein the lower ends of the hollow columns (1) are fixedly connected with handles (7).

6. The labor-saving convenient fruit tree pruning shear according to claim 5, wherein the surfaces of the handle (7) and the rotating handle (4) are wrapped with rubber sleeves.

7. The labor-saving convenient fruit tree pruning shear according to claim 6, wherein the rubber sleeve surface is carved with anti-skid patterns.

8. The labor-saving convenient fruit tree pruning shear according to claim 2, wherein the diameter of the first synchronous pulley (8) is larger than the diameter of the second synchronous pulley (11).