CN211240941U - A high altitude pruning scissors for nursery stock - Google Patents

Abstract

The utility model belongs to the technical field of pruning scissors, especially, a high altitude pruning scissors for nursery stock, handheld pole including vertical setting, the top welding of handheld pole has the cutter, the inboard top sliding seal of handheld pole is connected with the piston post, the top welding of piston post has the cutter down, the inboard top welding of handheld pole has the baffle, the baffle is located the below of piston post, the both sides of baffle communicate respectively have the top of back flow and advance the top of oil pipe, the inboard bottom welding of handheld pole has the barrel, the bottom and the barrel of advancing oil pipe are linked together, the bottom of back flow extends to the below of barrel, the bottom side intercommunication of barrel has the top of inhaling oil pipe, the inboard sliding seal of barrel is connected with the piston board, the outside fixedly connected with depression bar's of piston board one end. The utility model has the advantages of reasonable design, the workman need not to scramble to the tree, under the tree alright laborsaving completion branch pruning action, easily controls and uses, is fit for using widely.

Description

A high altitude pruning scissors for nursery stock

Technical Field

The utility model relates to a pruning scissors technical field especially relates to a high altitude pruning scissors for nursery stock.

Background

Fruit growers often need to prune fruit trees in order to regulate their growth and fruiting. To higher big fruit tree, current pruning scissors are mostly manual, pull the scissors by the wire rope of connecting the handle and prune, waste time, difficultly. In addition, the existing pruning shears are too long, and although some pruning shears adopt telescopic rod structures, the length of the pruning shears is only reduced to a certain extent, and the pruning shears are still inconvenient to carry. The electric pruning shears use the motor as power, save time and labor, but the electric shears in the current market are difficult to prune branches at higher positions. Through the retrieval, chinese patent application No. 201810024830.6 discloses a high altitude pruning scissors, including handheld portion, connecting portion, shearing portion and actuating mechanism, the shearing portion includes certain blade and articulates the movable blade on this fixed blade, and actuating mechanism sets up in handheld portion, and connecting portion include: the connecting rod between the fixed blade of connecting handheld portion and shearing portion and the pull rod of connection between the drive end of actuating mechanism and the movable blade of shearing portion, the connecting rod and the pull rod of connecting portion are length-adjustable structure, through adjusting the length of connecting rod and pull rod, and then adjust the pruning height of high altitude pruning scissors. The weight is distributed on the hand-held part, so that the structure is integrally portable and easy to operate, and the power supply circuit does not need to be lengthened and is safe to use; meanwhile, the connecting rod and the pull rod of the connecting part are both of length-adjustable structures, and the trimming height of the high-altitude pruning shears is adjusted by adjusting the lengths of the connecting rod and the pull rod.

However, the design has defects, the structural design of the high-altitude pruning shears designed by the patent is not reasonable enough, the shearing action is labor-consuming, and the high-altitude pruning shears are inconvenient to use, so that the high-altitude pruning shears for seedlings are provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art and providing a pair of high-altitude pruning shears for nursery stocks.

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

an overhead pruning shear for nursery stocks comprises a handheld rod which is vertically arranged, the top end of the handheld rod is welded with an upper cutter, the top of the inner side of the hand-held rod is connected with a piston column in a sliding and sealing way, the top end of the piston column is welded with a lower cutter, the top of the inner side of the hand-held rod is welded with a baffle plate which is positioned below the piston column, the two sides of the baffle plate are respectively communicated with the top end of the return pipe and the top end of the oil inlet pipe, a cylinder body is welded at the bottom of the inner side of the hand-held rod, the bottom end of the oil inlet pipe is communicated with the cylinder body, the bottom end of the return pipe extends to the lower part of the cylinder body, the bottom side of the cylinder body is communicated with the top end of the oil suction pipe, the inner side of the cylinder body is connected with a piston plate in a sliding and sealing mode, one end of a pressing rod is fixedly connected to the outer side of the piston plate, and the other end of the pressing rod and the outer side of the handheld rod are connected with the same handle in a rotating mode.

Preferably, a valve is arranged on the return pipe, the bottom end of the oil suction pipe extends to the lower part of the cylinder body and is fixedly connected with a counterweight ball, and hydraulic oil can be returned to the lower part of the cylinder body by controlling the opening and closing of the valve.

Preferably, the outer side of the handheld rod is welded with one end fixedly connected with a spring, and the other end of the spring is fixedly connected with the inner side of the handle, so that the handle is favorable for resetting.

Preferably, the bottom of advancing oil pipe and the top of inhaling oil pipe all are provided with the check valve, and the circulation direction of two check valves is from lower to upper, do benefit to the barrel and extract hydraulic oil and supply to the baffle top.

Preferably, the bottom of the outer side of the handheld rod is provided with a liquid injection hole, the liquid injection hole is located below the barrel, and the liquid injection hole is connected with a plug through internal threads and used for injecting hydraulic oil into the handheld rod.

The utility model discloses a high altitude pruning scissors for nursery stock, through getting off the end cap from handheld pole, inject hydraulic oil into handheld pole through annotating the liquid hole, screw the end cap on handheld pole again, hold the central part of handheld pole in one hand, the outside bottom position of handheld pole is held to the other hand, the control is located the branch of waiting to tailor between upper cutter and lower cutter, hold the handle repeatedly, the handle promotes the piston board through the depression bar and removes to the barrel, the piston board is with hydraulic oil propelling movement entering oil feed pipe, the handle can reset under the spring force effect of spring when relaxing, the piston board removes and extracts hydraulic oil entering barrel to the outside of barrel, so relapse, alright with the lasting injection of hydraulic oil to the top of baffle;

the high-altitude pruning shears for the nursery stocks, disclosed by the utility model, have the advantages that the hydraulic oil pushes the piston column to move upwards, the piston column drives the lower cutter to move upwards and to be close to the upper cutter, the lower cutter and the upper cutter can jointly cut off branches, the valve is opened, the upward hydraulic oil of the partition plate can flow back to the lower part of the barrel through the return pipe, a worker can prune the branches under the trees without climbing onto the trees, the falling and falling injuries are avoided, the shearing action is labor-saving and easy to control;

the utility model has the advantages of reasonable design, the workman need not to scramble to the tree, under the tree alright laborsaving completion branch pruning action, easily controls and uses, is fit for using widely.

Drawings

Fig. 1 is a schematic structural view of an aerial pruning shear for nursery stocks according to the present invention;

fig. 2 is a schematic structural view of a part a of the high-altitude pruning shears for seedlings according to the present invention;

fig. 3 is a schematic structural diagram of part B of the high-altitude pruning shears for nursery stocks provided by the utility model.

In the figure: 1. a hand-held wand; 2. an upper cutter; 3. a piston post; 4. a lower cutter; 5. a partition plate; 6. a return pipe; 7. an oil inlet pipe; 8. a barrel; 9. a piston plate; 10. a pressure lever; 11. a grip; 12. an oil suction pipe; 13. a spring; 14. a valve; 15. a plug; 16. and (4) weighing the ball.

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. 1-3, an aerial pruning shear for nursery stocks comprises a handheld rod 1 which is vertically arranged, wherein an upper cutter 2 is welded at the top end of the handheld rod 1, a piston column 3 is connected to the top of the inner side of the handheld rod 1 in a sliding and sealing manner, a lower cutter 4 is welded at the top end of the piston column 3, a partition plate 5 is welded at the top of the inner side of the handheld rod 1, the partition plate 5 is located below the piston column 3, the two sides of the partition plate 5 are respectively communicated with the top end of a return pipe 6 and the top end of an oil inlet pipe 7, a cylinder 8 is welded at the bottom of the inner side of the handheld rod 1, the bottom end of the oil inlet pipe 7 is communicated with the cylinder 8, the bottom end of the return pipe 6 extends to the lower side of the cylinder 8, the bottom side of the cylinder 8 is communicated with the top end of an oil suction pipe 12, the inner side of the cylinder 8 is connected with a piston plate 9 in a sliding and.

The utility model discloses in, be provided with valve 14 on the back flow 6, the bottom of inhaling oil pipe 12 extends to the below of barrel 8 and fixedly connected with counter weight ball 16, through opening and close of control flap 14, can flow back hydraulic oil to the below of barrel 8.

The utility model discloses in, the outside welding of handheld pole 1 has the one end of fixedly connected with spring 13, and the other end of spring 13 and the inboard fixed connection of handle 11 do benefit to handle 11 and reset.

The utility model discloses in, the bottom of advancing oil pipe 7 and the top of inhaling oil pipe 12 all are provided with the check valve, and the circulation direction of two check valves is by lower supreme, do benefit to barrel 8 extraction hydraulic oil and supply into baffle 5 tops.

The utility model discloses in, handheld pole 1's outside bottom is provided with annotates the liquid hole, and annotates the below that the liquid hole is located barrel 8, annotates liquid hole female connection and has end cap 15 for inject hydraulic oil into handheld pole 1.

In the utility model, when in use, the plug 15 is screwed down from the handheld rod 1, hydraulic oil is injected into the handheld rod 1 through the liquid injection hole, then the plug 15 is screwed on the handheld rod 1 again, the central part of the handheld rod 1 is held by one hand, the bottom part of the outer side of the handheld rod 1 is held by the other hand, the branch to be cut is controlled to be positioned between the upper cutter 2 and the lower cutter 4, then the handle 11 is repeatedly held, the handle 11 pushes the piston plate 9 to move towards the cylinder 8 through the pressure rod 10, the piston plate 9 pushes the hydraulic oil to enter the oil inlet pipe 7, the handle 11 can reset under the elastic action of the spring 13 when being loosened, the piston plate 9 moves towards the outer side of the cylinder 8 and extracts the hydraulic oil to enter the cylinder 8, the operation is repeated, the hydraulic oil can be continuously injected above the partition plate 5, the piston column 3 is pushed to move upwards, the piston column 3 drives the lower cutter 4 to move upwards and is close to the upper cutter 2, lower cutter 4 and last cutter 2 alright cut off the branch jointly, open valve 14, the ascending hydraulic oil of baffle 5 passes through the back flow 6 alright flow back to the below of barrel 8, and the workman alright realizes branch pruning work under the tree, need not to climb to the tree on, avoids falling the tumble injury, and cuts laborsaving, the easy control of action.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Claims (5)

1. The high-altitude pruning shears for the nursery stocks comprise a handheld rod (1) which is vertically arranged, wherein an upper cutter (2) is welded at the top end of the handheld rod (1), and are characterized in that a piston column (3) is connected to the top of the inner side of the handheld rod (1) in a sliding and sealing manner, a lower cutter (4) is welded at the top end of the piston column (3), a partition plate (5) is welded at the top of the inner side of the handheld rod (1), the partition plate (5) is located below the piston column (3), the two sides of the partition plate (5) are respectively communicated with the top end of a return pipe (6) and the top end of an oil inlet pipe (7), a barrel body (8) is welded at the bottom of the inner side of the handheld rod (1), the bottom end of the oil inlet pipe (7) is communicated with the barrel body (8), the bottom end of the return pipe (6) extends to the lower part of the barrel body (8), and the bottom end of the barrel body (, the inner side of the barrel body (8) is connected with a piston plate (9) in a sliding and sealing mode, the outer side of the piston plate (9) is fixedly connected with one end of a pressing rod (10), and the other end of the pressing rod (10) and the outer side of the handheld rod (1) are rotatably connected with the same handle (11).

2. The aerial pruning shears for nursery stocks according to claim 1, wherein a valve (14) is arranged on the return pipe (6), and the bottom end of the oil suction pipe (12) extends to the lower part of the barrel body (8) and is fixedly connected with a counterweight ball (16).

3. The aerial pruning shears for nursery stocks according to claim 1, wherein one end of the spring (13) is welded on the outer side of the handheld rod (1), and the other end of the spring (13) is fixedly connected with the inner side of the handle (11).

4. The aerial pruning shears for nursery stocks according to claim 1, wherein the bottom end of the oil inlet pipe (7) and the top end of the oil suction pipe (12) are both provided with one-way valves, and the flow directions of the two one-way valves are from bottom to top.

5. The high-altitude pruning shears for nursery stocks according to claim 1, wherein a liquid injection hole is formed in the bottom of the outer side of the handheld rod (1), the liquid injection hole is located below the barrel body (8), and a plug (15) is connected to the inner thread of the liquid injection hole.

Images