Electric pruning device

Abstract

The utility model discloses an electric pruning device which comprises a hollow extension rod, a pruning head assembly and an electric pulling mechanism. The pulling line is connected between the electric pulling mechanism and the trimming head assembly; the trimming head assembly comprises a fixed blade fixed to the front end of the extension rod, a rotating blade rotationally connected with the fixed blade and pulled by the pulling line, a gasket arranged on the pulling line in a sleeving mode and a spring. The pulling line pulls the front end of the rotating blade to be close to the fixed blade and compresses the spring; the spring pushes the front end of the rotating blade to be away from the fixed blade; the electric pulling mechanism comprises a shell, a storage battery, a motor, a circuit board, a bevel gear assembly connected with the motor, a linkage rod connected with the bevel gear assembly and a switch arranged on the shell, wherein the storage battery, the motor and the circuit board are arranged in the shell. The circuit board is electrically connected with the storage battery, the motor and the switch; the bevel gear assembly rotates to pull the linkage rod in a reciprocating manner; and the linkage rod is connected with the pulling line.

Description

Technical Field

[0001] This utility model relates to the field of fruit tree branch pruning technology, and in particular to an electric pruning device. Background Technology

[0002] In fruit tree pruning, situations arise where some branches are high up and the trunk cannot support the pruning personnel, or where the fruit trees are near cliffs, and in some areas, lifting equipment cannot be used. Therefore, fruit tree pruning becomes extremely difficult.

[0003] Therefore, there is an urgent need to propose a simple, convenient, and reliable electric pruning device. Utility Model Content

[0004] To address the above problems, the purpose of this utility model is to provide an electric pruning device. The technical solution adopted by this utility model is as follows:

[0005] An electric pruning device includes a hollow extension rod, a pruning head assembly disposed at the front end of the extension rod, and an electric pulling mechanism disposed at the rear end of the extension rod and connected to the pruning head assembly; a pull line is disposed inside the extension rod; the pull line is connected between the electric pulling mechanism and the pruning head assembly.

[0006] The trimmer head assembly includes a fixed blade fixed to the front end of an extension rod, a rotating blade rotatably connected to the fixed blade and pulled by a pull line, a washer and a spring fitted on the pull line; the pull line pulls the front end of the rotating blade toward the fixed blade and compresses the spring; the spring pushes the front end of the rotating blade away from the fixed blade.

[0007] The electric pulling mechanism includes a housing, a battery, a motor, and a circuit board disposed within the housing, a bevel gear assembly connected to the motor, a linkage rod connected to the bevel gear assembly, and a switch disposed on the housing; the circuit board is electrically connected to the battery, the motor, and the switch; the bevel gear assembly rotates and reciprocates to pull the linkage rod; the linkage rod is connected to a pull line.

[0008] Furthermore, a sliding groove is formed on the fixed blade; a connecting screw is provided at the front end of the pull line; the connecting screw slides along the sliding groove and drives the front end of the rotating blade to move closer to the fixed blade.

[0009] Furthermore, the bevel gear assembly includes a gear housing, a bevel gear and a disc gear disposed within the gear housing and meshing with each other, a turntable connected to the disc gear, and a connecting post disposed on the top edge of the turntable; one end of the linkage rod is sleeved on the connecting post; the bevel gear is connected to the motor.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] (1) This utility model is equipped with a storage battery, a motor, a bevel gear assembly and a linkage rod. It uses a turntable and a connecting column to rotate and drive the linkage rod to move back and forth, and drive the pull line and rotating blade to move. The front end of the moving blade moves closer to the fixed blade to achieve the pruning of fruit branches.

[0012] (2) This utility model is reliable in its operation by setting a shim and a spring and pushing the front end of the rotating blade away from the fixed blade to prepare for the next trimming.

[0013] (3) The present invention has a sliding groove on the fixed blade and a connecting screw at the front end of the pull line. The connecting screw slides along the sliding groove to ensure that the relative movement of the rotating blade and the fixed blade is reliable.

[0014] In summary, this utility model has the advantages of simple structure, convenience and reliability, and has high practical and promotional value in the field of fruit tree branch pruning technology. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope of protection. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the trimmer head assembly in this utility model.

[0018] Figure 3 This is a schematic diagram of the first internal structure of the electric pulling mechanism in this utility model.

[0019] Figure 4 This is a schematic diagram of the second internal structure of the electric pulling mechanism in this utility model.

[0020] In the above figures, the component names corresponding to the reference numerals are as follows:

[0021] 1. Extension rod; 2. Electric pulling mechanism; 3. Trimming head assembly; 21. Battery; 22. Motor; 23. Switch; 24. Bevel gear assembly; 25. Linkage rod; 26. Circuit board; 241. Bevel gear; 242. Disc gear; 243. Turntable; 244. Connecting post; 31. Fixed blade; 32. Rotating blade; 33. Sliding groove; 34. Pull cable; 35. Washer; 36. Spring. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this application clearer, the present invention will be further described below with reference to the accompanying drawings and embodiments. The embodiments of this utility model include, but are not limited to, the following embodiments. All other embodiments obtained by those skilled in the art based on the embodiments in this application without inventive effort are within the scope of protection of this application.

[0023] In this embodiment, the term "and / or" is merely a description of the relationship between related objects, indicating that there can be three relationships. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone.

[0024] The terms "first" and "second," etc., used in the specification and claims of this embodiment are used to distinguish different objects, not to describe a specific order of objects. For example, "first target object" and "second target object," etc., are used to distinguish different target objects, not to describe a specific order of target objects.

[0025] In the embodiments of this application, the terms "exemplary" or "for example" are used to indicate that something is an example, illustration, or description. Any embodiment or design that is described as "exemplary" or "for example" in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or design. Specifically, the use of the terms "exemplary" or "for example" is intended to present the relevant concepts in a specific manner.

[0026] In the description of the embodiments in this application, unless otherwise stated, "multiple" means two or more. For example, multiple processing units means two or more processing units; multiple systems means two or more systems.

[0027] like Figures 1 to 4 As shown, this embodiment provides an electric pruning device, which includes a hollow extension rod 1, a pruning head assembly 3 disposed at the front end of the extension rod 1, and an electric pulling mechanism 2 disposed at the rear end of the extension rod 1 and connected to the pruning head assembly 3. A pull line 34 is disposed inside the extension rod 1, connecting the electric pulling mechanism 2 and the pruning head assembly 3 to pull the pruning head assembly 3.

[0028] In this embodiment, the electric pulling mechanism 2 includes a housing, a battery 21, a motor 22, and a circuit board 26 disposed within the housing, a bevel gear assembly 24 connected to the motor 22, a linkage rod 25 connected to the bevel gear assembly 24, and a switch 23 disposed on the housing. The circuit board 26 is electrically connected to the battery 21, the motor 22, and the switch 23. The bevel gear assembly 24 rotates and reciprocates to pull the linkage rod 25, and the linkage rod 25 is connected to a pull cable 34.

[0029] The bevel gear assembly 24 includes a gear housing, a bevel gear 241 and a disc gear 242 meshing within the gear housing, a turntable 243 connected to the disc gear 242, and a connecting post 244 located at the top edge of the turntable 243. One end of the linkage rod 25 is sleeved on the connecting post 244. In this embodiment, the motor 22 drives the bevel gear 241, the disc gear 242, the turntable 243, and the connecting post 244 to rotate. The connecting post 244 rotates one revolution with the turntable 243, realizing the entire process of pulling and resetting the pull cable 34.

[0030] In this embodiment, the trimming head assembly 3 includes a fixed blade 31 fixed to the front end of the extension rod 1, a rotating blade 32 rotatably connected to the fixed blade 31 and pulled by a pull line 34, a washer 35 and a spring 36 sleeved on the pull line 34. The pull line 34 pulls the front end of the rotating blade 32 closer to the fixed blade 31 and compresses the spring 36. When the pull line 34 reaches its final position, the turntable 243 continues to rotate, the pull line 34 releases its pull, the spring 36 returns to its original position, and the front end of the rotating blade 32 is pushed away from the fixed blade 31, preparing for the next trimming.

[0031] In this embodiment, in order to ensure that the rotating blade 32 rotates reliably, a sliding groove 33 is provided on the fixed blade 31, and a connecting screw is provided at the front end of the pull line 34, which slides along the sliding groove 33.

[0032] The above embodiments are merely preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Any changes made based on the design principles of this utility model, or any non-creative changes made on this basis, shall fall within the scope of protection of this utility model.

Claims

1. An electric pruning device, characterized in that, The device includes a hollow extension rod (1), a trimming head assembly (3) disposed at the front end of the extension rod (1), and an electric pulling mechanism (2) disposed at the rear end of the extension rod (1) and connected to the trimming head assembly (3); a pull line (34) is disposed inside the extension rod (1); the pull line (34) is connected between the electric pulling mechanism (2) and the trimming head assembly (3); The trimmer head assembly (3) includes a fixed blade (31) fixed to the front end of the extension rod (1), a rotating blade (32) rotatably connected to the fixed blade (31) and pulled by a pull line (34), a washer (35) and a spring (36) sleeved on the pull line (34); the pull line (34) pulls the front end of the rotating blade (32) closer to the fixed blade (31) and compresses the spring (36); the spring (36) pushes the front end of the rotating blade (32) away from the fixed blade (31); The electric pulling mechanism (2) includes a housing, a battery (21), a motor (22) and a circuit board (26) disposed inside the housing, a bevel gear assembly (24) connected to the motor (22), a linkage rod (25) connected to the bevel gear assembly (24), and a switch (23) disposed on the housing; the circuit board (26) is electrically connected to the battery (21), the motor (22) and the switch (23); the bevel gear assembly (24) rotates and reciprocates to pull the linkage rod (25); the linkage rod (25) is connected to the pull line (34).

2. The electric pruning device according to claim 1, characterized in that, A sliding groove (33) is provided on the fixed blade (31); a connecting screw is provided at the front end of the pull line (34); the connecting screw slides along the sliding groove (33) and drives the front end of the rotating blade (32) to move closer to the fixed blade (31).

3. An electric pruning device according to claim 1 or 2, characterized in that, The bevel gear assembly (24) includes a gear housing, a bevel gear (241) and a disc gear (242) disposed inside the gear housing and meshed together, a turntable (243) connected to the disc gear (242), and a connecting post (244) disposed on the top edge of the turntable (243); one end of the linkage rod (25) is sleeved on the connecting post (244); the bevel gear (241) is connected to the motor (22).

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