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CN-121970622-A - Magnetic energy pruning shears

CN121970622ACN 121970622 ACN121970622 ACN 121970622ACN-121970622-A

Abstract

The invention discloses a magnetic energy pruning shear, and belongs to the technical field of garden tools. The pruning shear comprises a magnetic driving assembly, a shearing blade assembly, a transmission assembly and a control assembly, wherein the magnetic driving assembly is provided with permanent magnets with the same name and opposite to each other, an iron stopper and a magnetic damper are arranged at the action surfaces of two magnetic poles in a sliding mode, variable magnetic force output can be achieved, the transmission assembly converts linear motion of the magnets into opening and closing motion of the shearing blade assembly, and the control assembly is used for regulating and controlling sliding opening and closing of the stopper. The invention does not need battery power supply and large-force manpower driving, the shearing force can be flexibly adjusted, and the invention can be matched with a telescopic rod and a sawing assembly, thereby being applicable to pruning operations such as garden maintenance, fruit tree planting and the like.

Inventors

  • Mikulay Awuti

Assignees

  • 新疆金梯科研有限公司

Dates

Publication Date
20260505
Application Date
20260324

Claims (9)

  1. 1. The magnetic energy pruning shear is characterized by comprising a magnetic force driving assembly, a shearing blade assembly, a transmission assembly and a control assembly; The magnetic force driving assembly comprises a lower magnet (1), an upper movable magnet (2), a magnet shell (3), a fixed shell (4), an iron stopper (5), a magnetic damper (C5), a shaft (6) and a first spring (7), wherein the lower magnet (1) is fixed in the fixed shell (4), the upper movable magnet (2) can be arranged in the fixed shell (4) in a vertically sliding mode and is opposite to the lower magnet (1) in the same name, the magnet shell (3) is coated on the outer sides of the lower magnet (1) and the upper movable magnet (2), the iron stopper (5) and the magnetic damper (C5) are arranged on the shaft (6) in a sliding mode, the shaft (6) is fixed on the fixed shell (4), the iron stopper (5) and the magnetic damper (C5) are located at a magnetic pole acting surface between the lower magnet (1) and the upper movable magnet (2), and the first spring (7) is sleeved on the shaft (6); The cutting edge assembly comprises a fixed cutting edge (17), a movable cutting edge and a fixed screw (18), wherein the fixed cutting edge (17) is fixedly connected with the fixed shell (4), and the movable cutting edge is hinged on the fixed cutting edge (17) through the fixed screw (18); the transmission assembly is connected with the upper movable magnet (2) and the movable cutting edge, and converts the linear motion of the upper movable magnet (2) into the opening and closing motion of the movable cutting edge; the control assembly is connected with the iron stopper (5) and the magnetic damper (C5) and controls the sliding opening and closing of the iron stopper.
  2. 2. The magnetic energy pruning shear according to claim 1, wherein the magnet shell (3) and the fixed shell (4) are made of materials which are not attracted with magnetic force, and the lower magnet (1) and the upper movable magnet (2) are permanent magnets with magnetic pole distribution matched.
  3. 3. A magnetic pruning shear according to claim 1, characterized in that the iron stopper (5) is made of a high purity iron material, the iron stopper (5) being of a double or single door construction.
  4. 4. The magnetic energy pruning shear according to claim 1, wherein the magnetic damper (C5) is composed of a C1 auxiliary magnet, a C2 auxiliary magnet and a C3 iron block, the C1 auxiliary magnet is attached to the bottom of the C3 iron block and is opposite to the lower magnet (1) in the same name, the C2 auxiliary magnet is attached to the top of the C3 iron block and is opposite to the upper movable magnet (2) in the same name, the thickness of the C3 iron block is consistent with the thickness standard of the iron damper (5), and the magnetic damper (C5) is of a double-door or single-door structure.
  5. 5. The magnetic energy pruning shear of claim 1, wherein said transmission assembly is a gear transmission mechanism comprising: a movable shaft (8) fixedly arranged at the top of the upper movable magnet (2), wherein a first rack (9) is arranged on the movable shaft (8); The second spring (10) is arranged between the upper movable magnet (2) and the fixed shell (4) and is used for applying downward pushing elasticity to the upper movable magnet (2) to assist the movable shearing blade to open and reset; A first gear (12) rotatably provided in the stationary case (4), the first gear (12) being engaged with the first rack (9); A second gear (13) rotatably provided in the stationary housing (4), the second gear (13) being engaged with the first gear (12); And a third gear (14) rotatably arranged in the fixed shell (4), wherein the third gear (14) is meshed with the second gear (13), and the third gear (14) is meshed with a second rack (16) arranged on the movable shear blade.
  6. 6. The magnetic energy pruning shear of claim 1, wherein said transmission assembly is a direct-push transmission mechanism comprising: A movable shaft (24) fixedly arranged at the top of the upper movable magnet (2); The third spring (11) is arranged between the upper movable magnet (2) and the fixed shell (4) and is used for applying downward pushing elasticity to the upper movable magnet (2) to assist the movable shearing blade to open and reset; The movable shaft (24) is connected with the first fixing frame (26); An adjusting nut (25) provided on the movable shaft (24) for adjusting the initial opening angle of the movable cutting edge with respect to the fixed cutting edge (17) by rotating the movable shaft (24) to change the effective length thereof.
  7. 7. The magnetic energy pruning shear according to claim 1, wherein the control assembly comprises a core wire (19), a core wire stretcher (20), a second fixing frame (21), a core wire (23), a core wire stretcher (35) and a core wire coiling wheel (36), one end of the core wire (19) is connected with the iron stopper (5) and the magneto-resistance stopper (C5), the other end of the core wire stretcher is connected with the core wire stretcher (20), the core wire stretcher (20) is fixed on the second fixing frame (21), the second fixing frame (21) is fixedly connected with the fixing shell (4), the core wire (23) is connected with the core wire stretcher (20) and the core wire stretcher (35), and the core wire coiling wheel (36) is used for accommodating the core wire (23).
  8. 8. The magnetic energy pruning shear of any one of claims 1-7, further comprising a telescopic rod assembly, wherein the telescopic rod assembly comprises a telescopic rod (28), a mortise lock (32), a lock rod (33), an external screw fixing head (34) and an internal nut fixing sleeve (22), the internal nut fixing sleeve (22) is arranged on the fixing shell (4), the external screw fixing head (34) is arranged at the end part of the telescopic rod (28) and is in threaded connection with the internal nut fixing sleeve (22), the telescopic rod (28) is composed of a plurality of sections of hollow steel pipes which are mutually nested, the mortise lock (32) and the lock rod (33) are arranged on the steel pipes, and the core wire stretcher (35) and the core wire stretcher (36) are arranged on the telescopic rod (28).
  9. 9. The magnetic energy pruning shear of claim 8, further comprising a sawing assembly comprising a saw (37) and an inner nut fixing sleeve (38), wherein the inner nut fixing sleeve (38) is arranged on the saw (37), and the saw (37) is detachably connected with the outer screw fixing head (34) through the inner nut fixing sleeve (38).

Description

Magnetic energy pruning shears Technical Field The invention belongs to the technical field of garden tools, and particularly relates to a magnetic energy pruning shear. Background Pruning shears are indispensable working tools in the fields of garden maintenance, fruit tree planting, forestry management and the like. The traditional pruning shears are mainly divided into a traditional manual pruning shears and a charging electric pruning shears, and have obvious technical defects that the traditional manual pruning shears directly drive a shearing blade to be closed by manpower, a great amount of physical power is required to be consumed when thick branches are pruned, the operation efficiency is low, high branch pruning operation cannot be directly completed, the charging electric pruning shears save manpower, but rely on battery power supply, the service time is limited, the continuity of operation is influenced in the charging waiting process, the internal motor, gear set, battery and other parts are easy-to-wear ageing parts, the later maintenance requires additional cost, and equipment is easy to discard after the equipment is damaged. Meanwhile, the existing pruning shears have single function, can only realize shearing operation, need to additionally carry tools such as saws and the like for thick branches which cannot be processed by a shearing blade, and need to be matched with an independent extension rod for high branches, so that the pruning shears are complex in operation and inconvenient to carry. In addition, the shearing force of the existing pruning shears is fixed, the shearing force cannot be flexibly adjusted according to the thickness of branches, and the problems that fine pruning shears are damaged and coarse pruning shears are not movable easily occur. Therefore, we propose a novel magnetic energy pruning shear. Disclosure of Invention The invention mainly aims to provide a magnetic energy pruning shear which can effectively solve the problems in the background technology. In order to achieve the aim, the invention adopts the technical scheme that the magnetic energy pruning shear comprises a magnetic force driving component, a shearing blade component and a transmission component space control component; The magnetic force driving assembly comprises a lower magnet, an upper movable magnet, a magnet shell, a fixed shell, an iron stopper, a magnetic baffle, a shaft and a first spring, wherein the lower magnet is fixed in the fixed shell, the upper movable magnet can be arranged in the fixed shell in a vertically sliding mode and is opposite to the lower magnet in the same name, the magnet shell is coated on the outer sides of the lower magnet and the upper movable magnet, the iron stopper and the magnetic baffle are both arranged on the shaft in a sliding mode, the shaft is fixed on the fixed shell, the iron stopper and the magnetic baffle are both positioned at a magnetic pole action surface between the lower magnet and the upper movable magnet, and the first spring is sleeved on the shaft; the cutting edge assembly comprises a fixed cutting edge, a movable cutting edge and a fixed screw, wherein the fixed cutting edge is fixedly connected with the fixed shell, and the movable cutting edge is hinged to the fixed cutting edge through the fixed screw; the transmission assembly is connected with the upper movable magnet and the movable cutting edge, and converts the linear motion of the upper movable magnet into the opening and closing motion of the movable cutting edge; the control assembly is connected with the iron stopper and the magnetic damper and controls the iron stopper and the magnetic damper to slide and open and close. As further description of the technical scheme, the magnet shell and the fixed shell are made of materials which are not attracted with magnetic force, and the lower magnet and the upper movable magnet are permanent magnets with magnetic pole distribution adaptation. As a further description of the above technical solution, the iron stopper is made of high purity iron material, and the iron stopper has a double-door or single-door structure. As further description of the technical scheme, the magnetic damper consists of a C1 auxiliary magnet, a C2 auxiliary magnet and a C3 iron block, wherein the C1 auxiliary magnet is attached to the bottom of the C3 iron block and is opposite to the lower magnet in the same name, the C2 auxiliary magnet is attached to the top of the C3 iron block and is opposite to the upper movable magnet in the same name, the thickness of the C3 iron block is consistent with the thickness standard of the iron damper, and the magnetic damper is of a double-door or single-door structure. As a further description of the above technical solution, the transmission assembly is a gear transmission mechanism, including: the movable shaft is fixedly arranged at the top of the upper movable magnet, and a first rack is arranged on the movable shaft;